Policy Sci (2006) 39:233–248 DOI 10.1007/s11077-006-9020-9 ORIGINAL ARTICLE Investments in global warming mitigation: The case of “activities implemented jointly” Nives Dolˇ sak · Maureen Dunn Received: 17 November 2005 / Accepted: 17 July 2006 C Springer Science + Business Media B.V. 2006 Abstract This paper examines bilateral cooperation between developed countries (home country) and developing countries (host country) to reduce greenhouse gas emissions and to enhance carbon dioxide sinks. With the home-host country pair as the unit of analysis, our logistic regression model examines 158 Activities Implemented Jointly (AIJ) investment projects from 1993 until 2002 across 2541 country-pairs. Because the marginal costs of reducing emissions may be lower in developing countries, the AIJ projects served as a policy laboratory to assess whether such investments might be advantageous to both countries in the event future regimes allowed emission credits from such bilateral projects. Instead of investing in home countries where maximum pollution reductions (or carbon sequestration) might be possible, home countries invest in locations where they can conduct their policy experiments at low transaction costs. Prior trade and aid relationships were used as a proxy. Regarding energy projects, location decisions are driven by home countries’ desire to reduce air pollution that they receive from abroad. Geography – proximity of a host country to a home country – in interaction with host country’s coal production, is a very important driver of location decision in AIJ energy sector projects. Location of sequestration projects is impacted by the host country’s potential for avoiding deforestation as well as by previous aid and trade patterns between a home and a host country. Proximity is not important in this case. Keywords Global climate change policy . Global warming policy . International environmental policy . International environmental regimes . International cooperation . Global commons . Energy policy . Environmental policy . Activities implemented jointly . International regimes Introduction Due to the open access attribute of the global atmosphere, unilateral action by any country is unlikely to lead to significant reductions in greenhouse gas emissions and multilateral N. Dolˇ sak · M. Dunn University of Washington-Bothell Springer
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Policy Sci (2006) 39:233–248
DOI 10.1007/s11077-006-9020-9
ORIGINAL ART ICLE
Investments in global warming mitigation: The case of“activities implemented jointly”
Indeed, prior to the Kyoto Protocol, a number of home countries invested in bilateral
projects abroad with the stated objective of reducing emissions of greenhouse gases and/or
enhancing carbon dioxide sinks. These AIJ projects began in the mid 1990s. More than half
of the 158 AIJ projects examined in this study are in the energy sector and the rest in forestry
(carbon sequestration), agriculture (carbon dioxide and methane emission reductions) and
landfill management (methane emission reductions). These projects vary in terms of their
activities, technology, projected reductions in carbon dioxide emissions, project lifetime, and
costs. Here are some examples:� In the Jelgava Energy Efficiency project between Sweden and Latvia, the Swedish National
Board for Industrial and Technical Development financed an energy project for a school in
town Jelgava. This project included renovation and insulation of the roof and the installation
of a heat exchanger technology (UNFCCC, 2002a). The project started in 1995 and was
expected to finish in 2000 costing $150,000. The estimated life-time reduction of emissions
of carbon dioxide equivalent is 400 metric tons.� In the Model Project for Energy Conservation in Electric Furnace used for Ferro-AlloyRefining, Japan invested in improving energy efficiency in metal industry in China. The
stated goal of the project was: “to contribute to efficient use of energy and consequently
protection of the local environment in People’s Republic of China as well as the reduc-
tion of CO2 emission. . .and disseminating the technology in People’s Republic of China”
(UNFCCC, 2002b: 1). The total estimated reduction of carbon dioxide equivalent over the
life-time of the project is about 290,500 metric tons (UNFCCC, 2002b).� In fuel switching project in the city of Decin, Czech Republic, a number of investors from
the U.S, including Wisconsin Electric Power Company, Commonwealth Edison Company,
and NIPSCO Development Company co-financed a new district heating plant. The total
estimated reduction of carbon dioxide equivalent over the life-time of the project is about
607,000 metric tons (UNFCCC, 2002c).� In Plantas Eolicas S.A. Wind Facility, Costa Rica, Northeast Utilities (a U.S. company)
and Charter Oak Energy (also associated with Northeast Utilities) built a 20 megawatt
wind facility. According to the UNFCCC information on AIJ projects (UNFCCC, 2005),
this facility has been in operation since 1996. The wind electricity generation facility is
displacing fossil-fuel electricity generation thereby reducing greenhouse gas emissions.� In the Klinki Forestry Project, a carbon sequestration project negotiated between the gov-
ernments of the U.S. and Costa Rica in 1995, marginal agricultural lands in Costa Rica
are converted to commercial tree plantations (UNFCCC, 2005; Reforest the Tropics, Inc.,
2006). Reforest the Tropics, a non-profit organization, was selected to manage the project.
The host of the project is usually a developing country or an economy in transition. The
home country is always a developed country (Annex I country in the UNFCCC language),
but a variety of home country actors can be involved. We classify them broadly as private
sector actors and government/NGO actors:� Some home countries designated a special governmental office to engage in AIJ projects,
for example Sweden and Switzerland. All country-pairs with AIJ projects with these home
countries were coded as government.� Some countries used existing environmental or international affairs offices. In this case,
the country-pair was coded as government.� Some countries experimented with both governmental and private sector driven AIJ projects
(for example, Belgium, France, the Netherlands, and the USA). Here, depending on the
type of the actor, the country-pair was coded correspondingly. In some instances both
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236 Policy Sci (2006) 39:233–248
Table 1 Number ofcountry-pairs with an AIJ projectby the type of project and thehome country participant
Government and NGO Private sector
Energy 43 27
Sequestration 9 12
government and private actors were involved in projects in a given country-pair. For ex-
ample, both U.S. government and U.S. industry were involved in projects in Costa Rica.
In such cases, the country-pair was assigned both codes.� In yet another group of countries, energy industry in home countries was the key actor.
These include Canada, Germany, and Italy. All country-pairs in which the industry from
home country was involved were coded as private sector.� In Australia, the entity engaging in AIJ projects had the nature of private-government
partnerships. We have coded them as government. Coding them as private sector projects
does not affect our results.
Table 1 describes projects in terms of the actor type from the home country (private sector and
government/NGO) and the project type in the host country (energy projects and sequestration
projects).
The incentives for developing countries to engage in AIJ projects are obvious. Energy
sector projects allow them to increase energy production and yet lower incremental pollution.
This is important because high levels of urban air pollution are one of the most pressing
environmental problems in many developing countries. Carbon sequestration projects could
lead to new revenues from their natural resources, such as forests, without destroying them.
The location drivers for developed countries are less obvious. While AIJs are likely to
be viewed as laboratories for future policy experiments, the location decisions are likely
to be driven by more concrete considerations. For example, home countries might want to
invest in countries without incurring huge costs to understand the local environment and
institutions. Prior knowledge of the host country would substantially lower the transaction
costs of conducting these policy experiments. For energy projects, home countries might
want to locate their projects in host countries that transfer airborne pollution to them. By
doing so, home countries might reduce their own pollution. And of course, location decisions
might be motivated by humanitarian as well as strategic considerations. This paper, therefore,
systematically examines the factors explaining home countries’ AIJ location decisions. The
next section identifies theoretical arguments that bear upon the location puzzle. The third
section describes the data and provides an empirical test of the analytical model along with
specification checks examining data disaggregated by actor type in the home country and
project type in the host country. The concluding section discusses implications of our results
for a broader analysis of international environmental cooperation.
Theoretical perspectives
The objective of the UNFCCC is to protect the atmosphere from being overused as a pollution
sink. It is extremely difficult (almost impossible, given that the UNFCCC is not enforceable)
for any country to prevent other countries from using the atmosphere as a pollution sink.
Therefore, if one country unilaterally reduces its use of the atmosphere as greenhouse gas
sink, there is no assurance that other countries will do the same. In addition to the “non-
excludability” issue, there is a “rivalry” problem as well: one country’s use of the atmosphere
as a sink limits the ability of others to do the same. These limits might not always be physical
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Policy Sci (2006) 39:233–248 237
and occur in the short time, but political and evolve slowly. For example, the use of the
atmosphere as a sink for greenhouse gases predominantly by developed countries over the
last hundred years is now creating political pressures on China and India to restrain their
use of the atmosphere as a sink. These two characteristics – non excludability and rivalry,
pervasive in common-pool resources, create conditions for resource overuse and resource
degradation (Ostrom, 1990). In effect, the capacity of the atmosphere to absorb greenhouse
gases is a common-pool resource. Therefore, any attempt to protect this resource is beset
with collective action problems.
Beginning with Hardin’s “Tragedy of the Commons” (1968), there is an extensive literature
on how the ’commons dilemma’ may be mitigated. Virtually all contributors to the commons
debate agree that unilateral action is unlikely to work given that commons dilemma tends to
have the structure of an ‘n person prisoner’s dilemma’ game (Ostrom, 1990). In this situation
of interdependence (the final outcome depends not only on my action but actions of others as
well), a set of rules or institutions will need to be established that can curb resource overuse.
This is what the UNFCCC and eventually the Kyoto Protocol set to do. In the context of global
warming, unilateral actions may not suffice because no single country emits an overwhelming
proportion of the global emissions. Hence, the final outcome – the extent to which emissions
of greenhouse gases can be stabilized – depends on the actions of multiple actors, i.e., on
the effectiveness of the UNFCCC and the Kyoto Protocol. The collective action problems
are accentuated because of uncertainty about the extent and the geographic distribution of
impacts of global climate change as well as by the lack of sanctioning mechanisms for
countries that do not meet their emission reduction targets (Victor, 2001).
Given the common pool resource characteristics of the atmosphere, the obvious questions
are: why do we see variations in developed countries’ commitment to protect this global
common and how do they select their partners for bilateral AIJ projects? Regarding the
first question, the literatures on international cooperation (Victor, 2001) and common-pool-
resource governance (Ostrom et al., 2001) suggest that in the absence of an enforceable
regime, few countries will commit to curbing global climate change through any international
regime (Dolsak, 2001).2 Some sorts of selective incentives might create conditions for them
to follow through on their commitments.
AIJ projects (and eventually CDMS under Kyoto protocol) are a mechanism to create such
selective incentives. AIJs serve as policy laboratories to assess whether developed countries
can employ a low cost option of emission reductions by investing abroad in countries where
the marginal costs of emission reductions are lower in relation to home. While AIJ projects
did not offer emission credits, there was a possibility that in the future such credits might be
allowed. AIJ projects therefore serve as testing grounds for country-pairs to assess types of
projects around which cooperation might be feasible.
But where might such experiments get conducted? Or, where might the AIJ projects be
located? There seems no clear pattern explaining how home countries select host countries for
the AIJ projects. According to the data provided by the UN, in 1999, there was a concentration
of AIJ projects in Europe and in South America. Of 122 AIJ projects in 1999, 79 were located
in economies in transition, 29 in South America, 9 in Asia and 5 in Africa (UNFCCC, 1999).
Spatial concentration of these projects was a concern for the EU countries as well (European
Environment Agency, 2002). As Figure 1 indicates, some home countries tend to invest in
host countries that are in their immediate vicinity (solid arrows). These include Sweden with
2 They may, however, decide to re-label some of their current projects as “climate mitigation” projects. This isnot associated with any costs, but indicates the country’s or the industry’s commitment to the regime. Thereis a concern that some AIJ projects might be relabeled, business-as-usual projects (Michaelowa, 2002).
Fig. 1 Illustration of location of investment for some AIJ projects
numerous AIJ projects in Estonia, Lithuania, and Latvia, and Japan with AIJ projects in
Asia. However, other developed countries such as France, the Netherlands and Norway have
undertaken AIJ projects that are not in their geographical proximity (dotted arrows).
Complex phenomena, AIJ location decision in our case, seldom have mono causal expla-
nations and a systematic study of several factors or drivers is required. We hypothesize that
two broad category of motivations, philanthropic and instrumental, are likely to influence the
location decisions.
If AIJ location decisions are influenced by the desire to (eventually) produce a global
public good (climate change mitigation), the AIJ location decisions will be influenced by
host country’s contribution to the global emissions. Developing countries that mine (and
burn) significant quantities of coal as well as countries with substantial forest cover will be
obvious choices in this regard. If a host country has a small impact on global climate change,
then AIJ investments in that country may have a marginal impact on overall reductions in
emissions or overall enhancements of carbon sinks. Thus, home countries may find these
countries less attractive for locating their AIJ projects.
Alternatively, AIJ projects might be viewed as foreign aid, not as policy experiments. While
philanthropy would still guide home countries’ location decisions, it would be unrelated to
their desire to mitigate global climate change. To test for the role of philanthropic but non-
climate change related motives, we test for two variables. The first one, GDP per capita,
captures the “need” for development aid in a developing country. If the home-country’s
AIJ location decisions are influenced by the desire to help the poor countries overseas –
irrespective of the recipient’s contribution to global climate change, we would expect a
negative regression coefficient for GDP per capita. Alternatively, home countries may want
to help developing countries but focus on the ones which serve their strategic interests. We
decided to examine the role of colonial ties because such ties capture the humanitarian as
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Policy Sci (2006) 39:233–248 239
well as strategic aspects of “need.” If philanthropic cum strategic interests influence location
choices, we would expect home countries to invest in their former colonies. In some ways,
this is a recognition of and compensation for the colonial exploitation. Because many former
colonies maintain strong ties with their former colonizers, AIJ projects might further home
countries’ strategic interests as well. Our analysis, however, does not support this hypothesis.
Colonial relationships do not have statistically significant impact on the location of AIJ
projects. Because its exclusion did not affect our substantive results, the colonial ties variable
is not included in the final model.
The second set of factors focuses on purely instrumental reasons guiding location deci-
sions. If AIJ projects are policy laboratories, home countries would like to conduct these
experiments in countries where they have prior knowledge of local institutions and politics.
Otherwise, much effort would be required in acquiring local knowledge and the core issue,
whether AIJ projects are a cost efficient way of reducing emissions or enhancing sequestra-
tion, would get insufficient attention. How does one get to know the local context? In some
ways, prior exchanges would be helpful in the regard. These include bilateral trade as well
as aid given by the home country to the host country. With these exchanges, home countries
are expected to acquire knowledge about host country institutions and politics. Thus, the
transaction costs of establishing new projects, AIJ projects in our case, would be lower. This
familiarity is especially important because transaction costs for AIJ projects are substantial
(Powell, Lile, and Toman, 1997; Springer, 2003; Michealowa, 2002). To account for this
familiarity, our model includes trade flows between a host and a home country as well as aid
given by the home country to the host country.
Some other instrumental concerns might guide the location decisions. If home countries
receive pollution generated in host countries, the AIJs may serve as useful instruments (in the
short run or as platforms for projects in the long run) for home countries to reduce regional
air pollution. To illustrate, consider the situation in Asia or Europe. Observational data (Jaffe
et al., 1999) and models of global air pollution (Jaegle et al., 2003) indicate that air pollution
from China is getting transported to downwind countries such as Korea and Japan. Thus,
Japanese and Korean investors may have instrumental reasons to locate their AIJ projects
in China. Regional air pollution transfers modeled for Europe suggest that pollutants are
transferred by air currents from neighboring transitional economies to Scandinavian countries
(Barret et al., 1995). For example, source-receptor matrices calculated for European countries
suggest that Sweden receives 86% of its oxidized nitrogen from emission sources outside the
country (Berge et al., 1999). In such cases, if Scandinavian investors decide to locate their AIJ
projects in the Baltic or Central European countries, such AIJ location decisions are likely
to be motivated not only by global environmental concerns but by regional environmental
problems as well. If this logic holds, we would expect to see an important role of geography
in AIJ location decisions.3 This impact would be particularly relevant for energy projects as
they bear upon air pollution problems but less likely for the carbon sequestration projects
which do not have obvious down-wind or regional impacts.
3 The data available for 155 AIJ projects suggest that 63 of these 155 projects are also estimated to decreasenitrogen oxide emissions, hence local and regional air pollution. While AIJ emission reduction estimatesare uncertain and often poorly reported (Ott, 1998; Michaelowa, 1998, 2002), they are non-trivial. Moreimportantly, because AIJ projects might be viewed by the investors as “laboratories”(Michaelowa, 2002) forfuture projects that might lead to more significant reductions in carbon dioxide and nitrogen oxide emissions,the size of AIJ projects (and the potential reductions in emissions) is not likely to be important for theseinvestors.
Table 2 Descriptive statisticsVariable Mean St. Dev. Min Max
Host GDPCap 4619.171 4109.903 497.6277 22231.93
Aid 16.93029 131.0914 0 5037.36
Trade 3.98e ± 08 2.52e ± 09 0 8.23e ± 10
Host coal 21.57553 113.8026 0 1190.38
Proximity 5824.323 2453.952 0 10812
Host forest 30.83319 23.56846 .003231 92.17577
Empirical model
This paper employs a logistic regression model to analyze factors impacting a home country’s
AIJ location decisions. The unit of analysis is a home-host country pair. The country-pairs
that had at least one AIJ project are coded as 1, those with no project as 0. We include all
AIJ projects from 1994 until 2002, the last year any AIJs were initiated. The source of the
data is the UNFCCC dataset on AIJ projects (UNFCCC, 2002d). As the data on project
characteristics are not of uniform quality, especially data on costs of the project and on the
level of implementation of the project,4 we focused only on presence of an AIJ project in a
country-pair. Because our dependent variable is dichotomous, we use a logistic regression
model (Long, 1997).
The data on independent variables are for 1990. Thus, our independent variables are prior
to the AIJ location decisions, most of which were undertaken in the first half of the 1990s.
For countries that did not exist in 1990 or were in political turmoil, we used data for the first
available year. This was 1993.
Our independent variables are of two types. For a detailed description of independent
variables, see Appendix A. First, we include the country-pair relationships that potentially
influence the transaction costs of doing business in host countries. As a proxy for transaction
costs, we measure aid and trade flows between a home and a host country in each country-pair
in years prior to the commencement of the AIJ projects. We use bilateral trade data published
by the OECD for years 1990 or 1993. Descriptive statistics of the independent variables are
presented in Table 2.
As a specification check, we also looked at sectoral trade data most relevant for specific
AIJ projects. For AIJ projects in the energy sector, we replaced total trade by home country’s
exports of electricity generation technologies and electric appliances to host countries. This
measure captures the home country’s presence in the host country’s market for technologies
that are most often targeted by the energy sector AIJ projects. For carbon sequestration
projects, we replaced total trade by exports of wood, paper, and cork by a host country
to a home country. This variable measures familiarity of the home country with the host
countries’ forest policies and suppliers, as well as the home countries’ potential domestic
consumer pressure for sustainable forestry practices. Relationships between trade and our
dependent variables were statistically significant for both total trade as well as sectoral trade.
The coefficients for other variables were also comparable in the two trade models. Because
4 Arguably, in a dynamic sense, poor implementation of AIJ projects might lead home countries to locatefuture AIJ projects elsewhere. Our sense is that this is a remote possibility. In addition, given that the unitof analysis is a country pair, one would have to develop a scheme of weighting projects, given that in acountry-pair year, there might be multiple projects. Most importantly, we are not aware of systematic data onproject implementation (across countries, over time) that might enable us to include project implementationas a covariate in our model.
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Policy Sci (2006) 39:233–248 241
sectoral trade is highly correlated with aggregate trade (0.9), both types of trade measures
should not be included in the model. Hence, we have retained aggregate trade in the model.
In process of providing foreign aid, developed countries often seek to assess the ground re-
alities in developing countries. Often elaborate mechanisms are established to ensure that the
aid is used wisely. As a result, developed countries come to acquire considerable knowledge
about local institutions and politics. Thus, transaction costs involved in establishing and
managing AIJ projects are likely to be lower if home countries have provided aid to specific
host countries. To measure aid flows, we use the OECD dataset for year 1990. For the host
countries that did not exist in 1990 or were in political turmoil in 1990, we use the 1993 data.
Host country characteristics are also likely to influence AIJ location decisions. If AIJ
projects are viewed by a home country as instruments to create global public goods, then
home country investors may tend to locate AIJ projects in host countries that potentially
have high impact on global climate change. We measure this impact via host-country’s
annual coal production. By the same logic, home country investors interested in carbon
sequestration projects may tend to locate their AIJ projects in host countries with a substantial
forest cover (measured as percent of area covered by forest). This measure helps us to
investigate whether home countries’ location decisions for carbon sequestration projects are
influenced by opportunities offered in the host-country to avoid deforestation and to establish
agroforestry industry.
Home countries might be scrutinized not only for the potential for avoided deforestation,
but also for the potential for aforestation or forest growth. To put it simply, one could sequester
carbon either by ensuring that existing trees are not cut (avoid deforestation) or by growing
more trees (aforestation as well as forest growth). To control for host-country’s potentials for
aforestation, we examined a variable measuring the difference in the proportion of land under
forests between 1961 and 1993.5 The variable was not statistically significant in predicting
the location of AIJ carbon sequestration projects even in a univariate regression. Because its
exclusion does not affect our substantive findings, we have excluded it from the final model.
Finally, we investigate whether “coal production” effects are more salient for host countries
that are in home countries’ physical proximity. If home countries are motivated to reduce
regional pollution via the AIJ projects, then AIJ projects will tend to be located in host
countries that are up-wind from the home country. Unfortunately, modeling the exchange
of air masses between countries is complex and one cannot create unambiguous down-wind
measure. This is because in some months one country could be up-wind from another but in
other months, the situation could be reversed (Jaegle, 2005). In this paper, we therefore use
physical proximity to capture the effect of transport of pollution via air to other countries.
Clearly, proximity is likely to be more important when a nearby host country has a large
coal mining industry simply because this country is likely to burn coal, create pollution
which eventually will reach the home country. To capture this interactive effect, we included
an interaction term in our model. To maintain a meaningful interpretation of regression
coefficients of the original or lower order variables (proximity and coal production in a host
5 Clearly, this is a very crude measure of aforestation/forest growth potential in any country. While forestgrowth rates have been modeled for selected countries (LaMarche et al., 1984; Hasenauer et al., 1999; Maseraet al., 2003), we are only aware of a study by Niles et al. (2002) reporting comparable estimates of forestgrowth for 48 developing countries. While our dataset includes 129 countries, limiting the analysis to the48 developing countries for which the data are available would reduce the number of country-pairs from theinitial 2541 to only 936 and exclude about one third of sequestration AIJ projects from the analysis. When were-estimated the model under these restrictions, the model did not converge.
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242 Policy Sci (2006) 39:233–248
Table 3 Unstandardizedcoefficients for logistic regressionof all AIJ projects
chi2 = 0.0000; Standard errorsare reported in parentheses
Table 4 Unstandardizedcoefficients for logistic regressionof AIJ projects, by type of project
Variable Energy AIJ projects Sequestration AIJ projects
Host GDPCap 0.0000275 0.0000781∗
(0.0000292) (0.000055)
Aid 0.0016159∗∗∗ 0.0005176•••
(.0006021) (0.0004374)
Trade 5.67e–11∗∗ 8.61e–11•••
(2.49e–11) (2.79e–11)
Host coal 0.0012603••• –
(0.0006938)
Proximity 0.000208••• –
(0.0000595)
Proximity1x host 3.59e–07••• –
coal1 (5.18e–07)
Host forest – 0.01982∗∗
(0.0105326)
Prob > chi2 0.0000 0.0007
Notes. Single variable test: ∗ p ≤0.10, ∗∗ p ≤ 0.05, ∗∗∗p ≤ 0.01(one-tail). Joint significance test:• p≤ 0.10, •• p≤ 0.05, ••• p≤ 0.01(one-tail). N = 2541. Standarderrors are reported in parentheses
country), we reparameterized the model by subtracting the means of the variables from each
of the two variables before creating the interaction term (Wooldridge, 2003:194).
Results and specification checks
Table 3 presents the results of the logistic regression analyses of AIJ projects between 1994
and 2002. In addition to analyzing AIJ location choices in the aggregate, we also examine
whether factors impacting location decisions vary across project types (sequestration and
energy, Table 4) and actor types (government and private sector, Table 5).
As hypothesized, trade and aid relationships are important drivers of AIJ location decision
across all types of projects (Table 4) and actors (Table 5). By reducing transaction costs,
previous exchanges enable home country investors to map out the terrain in the potential
host countries and provide confidence that their AIJ projects will not be hampered by local
idiosyncrasies. For one standard deviation increase in bilateral aid from a home country to a
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Table 5 Unstandardizedcoefficients for logistic regressionof AIJ projects, by type ofinvestor
Variable Government Projects Industry Projects
Host GDPCap 0.0000359 0.0000577∗
(0.0000353) (0.0000392)
Aid 0.0004047• 0.0016934∗∗
(0.0004079) (0.0006712)
Trade 2.16e–11• 6.78e–11∗∗
(2.82e–11) (2.68e–11)
Host Coal 0.0018326••• −0.0005746•
(0.0007099) (0.0014772)
Proximity 0.0002106••• 0.0001396•
(4.20e-07) (0.0000793)
Proximity1x Host Coal1 2.83e–07••• −4.83e-07•
(4.20e–07) (4.69e–07)
Host Forest 0.012892∗ 0.0128568∗∗
(0.006709) (0.0078728)
Prob > chi2 0.0003 0.0000
Notes. Single variable test: ∗ p≤0.10, ∗∗p ≤ 0.05, ∗∗∗ p ≤ 0.01(one-tail). Joint significance test:•p ≤ 0.10, •• p≤ 0.05, ••• p≤ 0.01(one-tail). N = 2541. Standarderrors are reported in parentheses
host country, the odds of this home country locating an AIJ project in this host country are
21% greater, holding all other variables constant. Similarly, for a standard deviation increase
in total trade in the country-pair, the odds of this country-pair engaging in an AIJ are 15%
greater, holding all other variables constant.
We also find that the interaction of physical proximity with coal has an important and
statistically significant effect on home countries’ location decisions (Table 3) across actors
(Table 5), specifically for AIJ energy sector projects (left panel of Table 4). For example, hold-
ing host countries’ coal production at its mean (about 20 million short tons per year, which is
about an equivalent of coal production of Colombia or Hungary), the odds of receiving an AIJ
project from a given home country by a host country A that is about 2400 miles closer to this
home country than another host country B, are about 60% greater. Thus, our results strongly
suggest that instrumental concerns regarding reductions in local/regional air pollution that
emanates abroad are driving AIJ location decisions rather than pure philanthropic reasons
pertaining to mitigation of global warming.
Our analysis suggests that home countries locate sequestration projects in host countries
depending on the extent of the area covered by forest. Holding all other variables constant,
the odds of a host country with about 10% larger area covered with forest (an equivalent
to Costa Rica with 40% of area covered with forest vs. Guatemala with about 30%) being
chosen for a sequestration AIJ project are about 20% greater.6
We also conducted a specification check by dropping an outlier that might be skewing
the results. This outlier is Sweden which has located AIJ projects in countries that are in its
physical proximity. Even when we exclude Sweden from the analysis, proximity continues
to have a statistically significant impact on location choice in the aggregate model (Table 6).
Holding coal production at its mean, the odds of a host country, which is about 2470 miles
closer to the home country than another host country, being engaged in an AIJ with this home
country are about 58% greater.
6 Geography is not a statistically significant driver (either alone or in interaction with forest cover) of thelocation of carbon sequestration projects. Given that proximity is not statistically significant even in theunivariate regression model, we did not include this variable in the final sequestration model reported in thepaper.
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244 Policy Sci (2006) 39:233–248
Table 6 Unstandardizedcoefficients for logistic regressionof all AIJ projects, Swedenexcluded
Variable Coefficient
Host GDPCap 0.000036
(0.0000291)
Aid 0.0014673∗∗
(0.0006157)
Trade 5.76e–11∗∗
(2.50e–11)
Host coal 0.0013099•••
(0.000698)
Proximity 0.0001645•••
(0.0000553)
Proximity1x host coal1 4.26e–07•••
(5.04e–07)
Host Forest 0.0109973∗
(0.0055583)
Notes: Single variable test: ∗ p ≤0.10, ∗∗p ≤ 0.05, ∗∗∗p≤ 0.01(one-tail). Joint significance test:•p ≤ 0.10, ••p≤ 0.05, •••p ≤ 0.01(one-tail). N = 2420; Prob >
chi2 = 0.0000. Standard errorsare reported in parentheses
While our analysis suggests that there is a statistically significant relationship between a
host-country’s GDP per capita and the likelihood that a particular pair of home-host country
would have an AIJ project, the relationship is positive – in the direction opposite to the
hypothesized direction. This suggests that AIJ location decisions on the part of home country
are not influenced by the factors that typically drive their decisions regarding the developing
countries to which they will provide aid. Surprisingly, this relationship was significant for
private sector investors (right panel, Table 5), but not for government investors (left panel,
Table 5).
Conclusions
Regime literature has primarily examined conditions under which regimes get established.
Regime scholars have debated, given anarchy, what conditions facilitate collective action by
sovereign actors to achieve common goals that they unilaterally cannot achieve (Oye, 1986).
This literature has typically paid less attention to the mechanisms and policy instruments
by which regime goals are sought to be pursued and whether such instruments achieve their
stated goals.7 This paper contributes to this under-explored area by examining a concrete
policy measure that evolved from the UNFCCC regime. Unlike the much discussed Clean
Development Mechanism developed under the 1997 Kyoto Protocol, home countries invest-
ing in AIJ projects cannot earn emission reduction credits by virtue of their investment abroad.
Hence, it is puzzling as to why 12 developed countries have invested in 158 AIJ projects
in 42 developing countries and East European transition economies. The more interesting
puzzle is: how do the 12 developed countries decide where to locate their AIJ projects?
This paper examined both the instrumental and non-instrumental drivers of home coun-
tries’ AIJ location decisions. Because marginal costs – economic and political – of reducing
emissions may be lower in developing countries, the AIJ projects served as a policy labo-
ratory to assess whether such investments might be advantageous to both countries in the
event future regimes allowed emission credits from such bilateral projects. To conduct these
7 Exceptions include scholars that have begun to look at regime efficacy (Young, 1999; Miles et al., 2002).
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Policy Sci (2006) 39:233–248 245
experiments with low transaction costs, our analysis suggests that home countries are likely
to locate AIJ projects in host countries with which they have had prior exchanges. Indeed
we find that prior trade and aid relationships with a home country improve the likelihood
of a host country getting AIJ projects from that country. Thus, instead of investing in host
countries where maximum pollution reductions (or carbon sequestration) might be possible,
home countries invest in locations where they can conduct their policy experiments at low
transaction costs.
Regarding energy projects, our key conclusion is that location decisions are driven by
home countries’ desire to reduce air pollution that they receive from abroad. Thus geography
– proximity of a host country to a home country – in interaction with host country’s coal
production, is a very important driver of location decision in AIJ energy sector projects.
Location of sequestration projects is impacted by the host country’s potential for avoiding
deforestation as well as by previous aid and trade patterns between a home and a host country.
Proximity is not important in this case.
The implications for regime design are obvious. Given that developed countries’ climate
change philanthropy is also influenced by instrumental reasons, when devising mechanisms
to implement any global environmental regime, policy makers should pay special attention
to regional pollution dynamics. Given the high costs of curbing the emission of greenhouse
gases, any global regime must offer tangible and excludable benefits to the signatories. While
in the case of AIJ, these benefits stem from reduction in regional and local pollution, other
types of benefits for the developed countries (that bear the largest proportion of the cost of
implementing global regimes) may be salient. The bottom line is that countries may not join
regime for philanthropic reasons alone; instrumental concerns may be very important. Those
seeking to enhance multilateral cooperation via international regimes should therefore pay
close heed to both the costs and benefits that regime creates for the key actors.
Appendix A: Description of independent variables
A.1. Aid
This variable measures total bilateral net aid (total official development aid) given by the
developed country to the developing country in the country pair in year 1990 (1993 for
countries that did not exist in 1990). Reported in millions US Dollars. Source: OECD, 2005.
A.2. Deforest6193
Reduction in the share of area covered with forests and woodlands between 1961 and 1993.
For countries that did not exist in 1961, such as the newly independent states that were
constituent parts of the USSR, Yugoslavia, and Czechoslovakia we estimated the data for
1961 assuming uniform forest change across the country. Measured in percent points. Source:
United Nations Environment Program, 2005.
A.3. ExpPoweGen
This variable measures exports of technology for electricity generation from the developed
country to the developing country in the dyad. For Belgium and the Netherlands, the Harmo-
nized System classification data for category 84 are used. For other countries, data for SITC
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246 Policy Sci (2006) 39:233–248
rev. 3 category 71 are used. Source: OECD International Trade in Commodity Statistics,
2001.
A.4. ExpElectAppl
This variable measures exports of electric appliances from the developed country to the
developing country in the dyad. Source: OECD International Trade in Commodity Statistics,
2001.
A.5. Host coal
This variable measures domestic coal production in the host country. It includes “(t)he sum of
sales, mine consumption, issues to miners, and issues to coke, briquetting, and other ancillary
plants at mines. Production data include quantities extracted from surface and underground
mines, and normally exclude wastes removed at mines or associated preparation plants.”
Reported in million short tons of coal production in country in 1990 (1993 for countries that
did not exist in 1990). Source: US, Energy Information Administration, 2005.
A.6. Host coal1
Calculated by subtracting the mean of Host coal from Host coal.
A.7. Host forest (% area)
This variable measures the percentage of the area covered by forest in 1990 (1993 for countries
that did not exist in 1990). Source: World Bank, World Development Indicators, 2005.
A.8. Host GDPCap
Gross Domestic Product per capita in 1993, expressed in PPP, constant 2000 international
Dollars. Source: World Bank, World Development Indicators, 2005.
A.9. ImpWood
This variable measures imports of paper and paper products, cork and cork products, and
wood and wood products from a developing to the developed country in the dyad. For Belgium
and the Netherlands, the Harmonized System classification data for categories 44, 45, 47,
and 48 are aggregated. For other countries, data for SITC rev. 3 categories 24, 25, and 63 are
aggregated. Source: OECD International Trade in Commodity Statistics, 2001.
A.10. Proximity
A.10.1. Measured in miles
Proximity for a home country i and a host country j is calculated for each country-pairi j as
the difference between the maximum possible distance for the home country and the actual
distance between the capitals of the home and the host country in this pair. For example,
proximity for Australia and Philippines was calculated using the distance between Canberra,
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Policy Sci (2006) 39:233–248 247
Australia and Rabat, Morocco (11,065 miles) as the maximum distance and the distance
between Canberra and Manila, Philippines (3905 miles).
Proximity country pairi j = Distance max for home countryi – Distance country-pairi j
Distance max for home countryi = max distance country-pairi j ; i is constant and j varies
from 1 to 129. i is home country ID. j is host country ID. Source: U.S. Department of
Agriculture.
A.11. Proximity1
Calculated by subtracting the mean of proximity from proximity.
A.12. Trade
This variable measures bilateral trade as reported by the developed country in the country pair
in year 1993. The data are reported in thousands of US Dollars. Source: OECD International
Trade in Commodity Statistics, 2001.
Acknowledgements Previous version of this paper was presented at the 2005 annual research conference ofthe Association for Public Policy Analysis and Management. We thank Matt Auer, Peter Hoff, Aseem Prakash,and two anonymous reviewers for their comments.
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