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The entity that has a monopoly over the legitimateuse of force to modify the actions of adults.
An institutional process through which individuals
collectively make choices and carry out activities.
Differences and Similarities in Public and PrivateDecision-Making
•
Competitive behavior is present in both the market and publicsectors.•rivate sector action is based on voluntary choice! public
sector is based on ma"ority rule
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The most fundamental function of government is the
protection of individuals and their property against acts ofaggression.
Involves the provision of a limited set of goods that aredicult to supply through the market
Involves the maintenance o# a legal structure within which people interact peace#ully and provision o# a mechanism #or
the settlement o# disputes while maintaining a competitive
market.
May Fail to Allocate ResourcesEciently:$. %onopoly
2.&'ternalities
. ublic oods
*. Asymetric In#ormation
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Q
P
D
MR
S = MC
Pc
Pm
QcQm
An
industry in pure competition
sells where supply and
demand are equal
INEFFICIENCY OF P!E MONOPO"Y
At MR=MC
A monopolist
will sell less
units at ahigher price
than in
competition
ellersmay gain!y
restricting outputandraisingprice. Too
fe" units"ill !eproduced
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E#ternalities e#ist "hen the market fails toregister fully costs and !ene$ts.
&'ternal Costs+
resent when the actions o# an individual or group harmthe property o# others without their consent. ,he roblem arises because property rights are
imper#ectly de#ined and-or en#orced. &'ternal ene#its+
resent when the actions o# an individual or groupgenerate bene#its #or nonparticipating parties.
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ecause costs are not #ully registered/ the supplycurve understates the true cost o# production.
nits may be produced that are valued less thantheir cost.
1rom the viewpoint o# e##iciency/ too many unitsare produced.
ollution problems are o#ten a side e##ect.
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All rights reserved.
• I#/ though/ all costs are #ullyidenti#ied and measured . . .
,hen the new supply curve ( S 2 )would result in an output o# Q2 (
Q1) and a price P 2 ( 3 P 1).
Price
Quantity / Time
4 Consider the market to the right.
nder initial supply and demandconditions an output o# Q1 and a
price o# P 1 e'ist.
4 ,he result o# an externality withe'ternal costs (a negative
externality) is that too many units
are produced at a price below that
which would prevail i# all thecosts o# the production/ provision/
and consumption o# the good wereidenti#ied and #actored into it.
D
(includesexternal costs) S #
S $
Q2
P 2
P 1
Q1
Idealout%ut
&ctual
%rice andout%ut
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All rights reserved.
5emand curve understates total valueo# output.
nits that are more highly valued thancosts may not be produced. 1rom the viewpoint o# e##iciency/ too
#ew units may be produced.
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D2(includesexternal benefits)
thenthe new demand curve ( D2 ) would
result in an output o# Q2 ( 3 Q1)and a price P 2 ( 3 P 1).
Price
Quantity / Time
4 Consider the market to the right.
nder present supply and demandconditions an output o# Q1 and a
price o# P 1 e'ist.
4 ,he result o# an externality withe'ternal bene#its (a positive
externality) is that too #ew unitsare produced at a price below that
which would prevail i# all the bene#its o# the good wereidenti#ied and #actored into it.
S
Q2
P 2
P 1
Q1
Idealout%ut
4 I#/ though/ all bene#its are #ullyidenti#ied and measured . . .
D1
&ctual
%rice andout%ut
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%oods that are : jointly consumed
Individuals can simultaneously en"oy
consumption o# same product or service non-excludable
Consumption o# the good cannot be
restricted to the customers who pay #or it
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I# a public good is made available to one person/ it is simultaneously made available to
others.
ecause those who do not pay cannot be
e'cluded/ no one has much incentive to help pay #or such goods. &ach has an incentive to
become a free rider
a person who receives the bene#its o# the good
without helping to pay #or its cost. ut/ when a lot o# people become #ree riders/
too little is produced.
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It is the characteristics o# the good/ not the sector inwhich it is produced/ that distinguishes a public good.
&'amples o# public goods+
national de#ense
radio and television broadcast signals
clean air.
%arkets o#ten develop ways o# providing public
goods (e.g. use o# advertising to support provision
o# radio and television). 6onetheless/ public goodso#ten cause a breakdown in the harmony between
sel#7interest and the public interest.
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Either the potential !uyer or potentialseller has important information thatthe other side does not have.
%a"or problems o# con#licting interests andunhappy customers can arise when goods
are either
di##icult to evaluate on inspection and
seldom repeatedly purchased #rom the same producer/ or/
potentially capable o# serious and lasting
harm#ul side e##ects that cannot be predicted
by a lay person.
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The consumer&sinformation pro!lem is
minimal if the item ispurchased regularly. 'rand names( franchises(
and product "arranties are
helpful "ays of dealing"ith information pro!lems
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The Relative i)eand E#tent of
%overnment
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' #'
S(eden
Denmark
Net)erlands
*erman+
France
,elgium
Ital+
&ustria
*reece
Canada
nited ingdom
Ireland
&ustralia
.a%an
nited States
Singa%ore
Sout) orea
/)ailand
0ong ong
1' 2' 3'
overnment !xpendituresas a " of DP (1##$)
224$
2'43
534$
524'5146
5#46
5#46
1741
1241
1846
8646
8645
8247
8141
#846
##43
#'48
$642
5145
,he 8i9e o# overnment
4 ,he .8. spends about a third o# 5 on local/ state/ and #ederal government.
,his is times what it was in $:0/ but not as much as many o# its trade partners.
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$'41
148
245248
346
542
$48$846
248
$$43
54'
$$41
843
34$
#46
'$72' $776$77'$73'$76'
9a: Defense e;%enditures as a < of *DP
#'
$5
$'
5
9b: E;%enditures as a < of *DP
$72' $776$77'$73'$76'
'
#'
$5
$'
5
Income /ransfers
0ealt) Care
4 5e#ense spending as a ; o# 5 has declined sharply since $:
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1##% 1##&
Social Securit+
#8< Education
#3<Public (elfare
and )ealt)
##<
&dministrative
and ot)er
e;%enditures
#$<
Income
securit+
$1<
Medicareand )ealt)
#'<
Defensea
$3<
Net interest
$5<
0ig)(a+s
8<
Federal spending: =$>?2 billion
Ot)er
6<
Insurancetrusts
3<
Interest on debt1<
tilities and
li=uor stores6<
0ig)(a+s
2<
Police
and fire
%rotection
1<
State & local spending: =:@ billion
How overnment 8pends+
4 ,he way that the respective levels o# government spend money di##ers signi#icantly.
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1##% 1##&
Federal taxes: State & local taxes:
How overnment ,a'es+
4 ,he way that the respective levels o# government ta' di##ers signi#icantly.
Cor%orate
income
$#<
E;cise ta;es1<
Customsduties $<
Cor%orate
income
#<
Ot)er
1<
Ot)er
8<
Pro%ert+
$5<
Pa+roll
$#<
Personalincome
$'<
ser c)arges a
#1<
Sales and
e;cise
$6<From
federalgovernment
$2<
Pa+roll
81<
Personal
income
12<
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Ta#es*rogressive
*roportionalRegressive
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A!ility to *ay 'ene$ts Received
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The +pportunity ,ost of
%overnment
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+pportunity cost of resourcesused to produce goods suppliedthrough the pu!lic sector.
Cost o# resources e'pended in thecollection o# ta'es and the
en#orcement o# government mandates.
&'cess burden (deadweight loss) o#
ta'ation.
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+vervie"of ,ollective
-ecisionMaking
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-- applies the tools of economics to the political process in order to provide insight concerninghow the process works.
8el#7interested behavior is present in both market and
political sectors. olitical process can be viewed as a comple' e'change
process involving+
voter7ta'payers
politicians bureaucrats
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,he oter7Consumer+ oters will tend to support those candidates
whom they believe will provide them the most
government services and trans#er bene#its/ net o#
personal costs.
'ational gnorance !ffect +
77 Becogni9ing their vote is unlikely to be
decisive/ most voters have little incentive to
obtain in#ormation on issues and alternative
candidates. ecause o# the rational ignorance e##ect/ voters
will be unin#ormed on many issues! such issues
will not enter into their decision making process.
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,he olitician78upplier+
olitical o##icials are interested in winningelections. ust as pro#its are the li#eblood o# themarket entrepreneur/ votes are the li#eblood o#the politician.
Bationally unin#ormed voters o#ten must beconvinced to DwantE a candidate.
Fegislative bodies are something like a oardo# 5irectors
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Civil 8ervants (Government Bureaucrats) as olitical articipants+
ureaucrats (persons that handle day7to7day operations o#government) seek promotions/ "ob security/ power/ etc.
,he interests o# bureaucrats are o#ten complementary withthose o# interest groups they serve. ,his is called theCA,B& problem.
ureaucrats can usually e'pand their own interests/ as wellas that o# their constituents/ by working #or larger budgets
and program e'pansion.
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+ther things constant( legislators "ill have a strongincentive to support political actions that providevoters "ith large total !ene$ts relative to costs.
I# a government pro"ect is really productive/ it will always be
possible to allocate the pro"ectGs cost so that all voters will gain. hen voters pay in proportion to bene#its received/ all voters will
gain i# the government action is productive (and all will lose i# it is
unproductive.) nder these circumstances/ there is a harmony
between good politics and economic e##iciency.
>)en ?oting >orks >ell
d b
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?oter
&dams
C)an
*reen
"ee
Dia@
/otal
/&A P&YMEN/,enefits
!eceived9$:
B#'
$#
1
#
#
B1'
Plan A 9#:
B 5
5
5
5
5
B#5
Plan B 98:
B$#45'
645'
#45'
$4#5
$4#5
B#54''
4 Consider the government program above. As with many such programs/ individuals receive varying levels o# bene#its.
4 I# ta' plan is adopted to #und this program/ it may be simple and
seem #air/ but even as Adams is getting a real deal (values the program at =20 and only pays =?) reen/ Fee/ and 5ia9 do not evenreceive the value o# their ta'es paid in bene#its.
4 hen each voter pays in proportion to bene#its received (ta' plan *)/each receives more in bene#its than it costs them in ta'es. I# ta' plan
* is used/ all voters gain and the program would pass unanimously.,his e'ample shows that harmony between good politics and economic
e##iciency can e'ist.
Beneits !erived by "oters rom #ypot$etical %oad onstruction 'roject
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hen /oting ,on0icts "ith Economic Eciency
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pecial Interest E1ect
- generates substantial personal beneits or a
small number o constituents $ile imposing a
small individual cost on a large number o ot$er
voters.
Interest group members will #eel strongly about
an issue that provides them with substantial
personal bene#its. 8uch issues will dominate
their political choices.
oliticians have a strong incentive to #avorspecial interest even i# action is ine##icient.
+ogrolling and por,-barrel legislationstrengthen the special interest e##ect.
>)en ?oting Conflicts(it) Economic Efficienc+
"ote rading and 'assing
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4 In total/ / */and . voters come out ahead despite the costs involved in paying
ta'es #or activities in other districts i# they agree to vote together.
4 In total/ the sum o# bene#its #or the group o# all voters come outnegative despite the positive bene#its #or district / */ and . voters.
4 ,he bene#its to / */ and . voters vary by pro"ect.
4 Consider a composite bill in Congress that would build a post o##icein district / dredge a harbor in */ and construct a military base in . .
"ote rading and 'assingounterproductive *egislation
Construction ofPost Office
In A
Dredging0arbor
In B
?oters of
District
&
,
C
D
E
/otal
Net ,enefits 9: or Costs 9-: /o Eac) ?oter in District
B$' - B'8 - B'8
- B'8 B$' - B'8
- B'8 - B'8 B$'
- B'8 - B'8 - B'8
- B'8 - B'8 - B'8
Construction of Militar+ ,ase
In
B1
B1
B1
- B7
- B7
- B'# - B'# - B'# - B2
/otal
0e assume te districts are of eual si3e4
4 ith this bill/ there are no direct bene#its to district D and ! voters.
4 In a ma"ority rule voting system/ the ma"ority can pass counterproductivelegislation bene#iting themselves but creating negative net bene#its #or
the whole.
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hortsightedness E1ect 22 Issues that yield clearly dened current benets
at the expense of future costs that are dicult-to- identify.
olitical process is biased toward the
adoption o# such proposals even when theyare ine##icient.
>)en ?oting Conflicts(it) Economic Efficienc+
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Rent eeking -- Actions by individuals and interest groups designed torestructure public policy in a manner that will eitherdirectly or indirectly redistribute more income tothemselves.
idespread use o# the ta'ing/ spending/ andregulatory powers o# government that #avor some atthe e'pense o# others will encourage rent seeking.
'ent see,ing moves resources away #rom productiveactivities. ,he output o# economies with substantialamounts o# rent see+ing will #all below their
potential.
>)en ?oting Conflicts(it) Economic Efficienc+
>) ? ti C fli t
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3ack of Incentive for +perational Eciency
In the public sector/ the absence o# the pro#it motivereduces the incentive o# producers to keep costs low.
6either is there a bankruptcy process capable o#weeding out ine##icient producers.
ublic7sector managers are seldom in a position togain personally #rom measures that reduce costs.
ecause public o##icials and bureau managers spendother peopleGs money/ they are likely to be less
conscious o# cost than they would be with their ownresources.
>)en ?oting Conflicts(it) Economic Efficienc+
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There is nothing in positive economics thatindicates one distri!ution of income is!etter than another.
A large and growing part o# government isdevoted to trans#erring income.
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There are three ma4or reasons "hylarge2scale redistri!ution "ill reducethe si)e of the economic pie:
hen ta'es take a larger share o# oneGs income/ the
individual reward derived #rom hard work and productive service is reduced.
As public policy redistributes a larger share o# income/more resources will #low into waste#ul rent seekingactivities.
Higher ta'es to #inance income redistribution and ane'pansion in rent7seeking will induce ta'payers to #ocusless on income7producing activities/ and more onactions to protect their income.
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&'ternal costs and bene#its
Fack o# competition ublic goods
oor in#ormation
*u!lic ector /s. Market ector: A Summary
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The po"er of special interests
,he shortsightedness e##ect
Bent seeking costs Fack o# signals and incentives to
promote operational e##iciency
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'oth !ad ne"s and good ne"s 0o"from pu!lic2choice analysis:
,he bad news+
For certain classes o economic activity,
unconstrained democratic government ill predictably be a source o economic aste and
ineiciency
,he good news+
'roperly structured constitutional rules canimprove t$e expected result rom government
Im%lications of Public C)oice etting 5ore 6rom overnment
Structure of Budget & Accounts:
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Structure of Budget & Accounts:
*overnment &ccount
Consolidated 1und o# India Contingency 1und o# India ublic Account o# India
8mall savings
5eposits
Advances
Beserve 1unds
8uspense
%isc.
Bemittances
Cash alance
Bevenue Account Capital Account
Beceipts Beceipts &'penditure
eneral 8ervices
8ocial services
&conomic 8ervices
rants7in7aid Contributions
ublic 5ebt
Foans Advances
,a' Bevenue
6on7,a' Bevenue
rants7in7aid
Contributions
&'penditure
eneral services
8ocial 8ervices
&conomic 8ervices
rants7in7aid Contributions
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5ead In ,rore of Rupees Ta# Revenue 6(67(896.; ;.6
,apital Receipts ?(86(@??.?; Grand Total1 6,65,297.32
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5ead In ,rore of Rupees
Interest Receipts =9(9?7.@
-ividends and *ro$ts 9(6??.?
Fiscal ervices 69.6;
%eneral ervices =;(;>7.9=
ocial ervices ;(?67.7;
Economic ervices ?;(@9;.?7
%rants =7>?.=
.@=
Grand Total 172252.38
5ead In ,rore of Rupees
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e have !een talking a!out de$cit for some time here( andif you look at these num!ers a!ove B ?.?C of the totalrevenues are capital receipts( and 68C of those capitalreceipts are !orro"ings. o( e1ectively "e !orro" ;@.C of"hat "e have to spend. That&s 4ust too high( and has to !e!rought under control. hen you look at it from this conte#t("idening the ta# !ase and !etter compliance is inevita!le ifyou have to get this num!er under control.
5ead In ,rore of Rupees
Recoveries of3oans D Advances
=8(?>7.88
Misc. ,apitalReceipts
>>(6=7.88