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389 October 30, 1984 THE FREE MARKET ANSWER TO U.S. FARM
PROBLEMS INTRODUCTION Today's agr icultural programs remain much as
they were when originally instituted during the Roosevelt New Deal
era.l is different is that the contention that these programs are
necessary and beneficial to the public is being challenged is now
widely understood, for instance, that government-enforced
restrictions on competition lead to higher domestic prices for
milk, sugar, oranges, and other products. There is growing concern,
moreover, about the soaring costs to the taxpayer of agricultural
programs. Price support activities alone have increased from $4
billion in Fiscal 1980 to about $20 billion in 1983 What It Most
farm program benefits are enjoyed by farmers with large operations
whose incomes already exceed, on average, those in the nonfarm
sector specialized f arm resources, since the higher product prices
received by farmers eventually are offset in large part by higher
production costs made possible by the output price guarantees.
Price supports and subsidized credit programs also encourage
farmers to invest i n land and capital facilities when there is
already widespread concern about farm size and debt. Finally
marketing orders, import controls, price supports, and other These
programs mainly assist owners of land and This paper is the third
in a series descr ibing these programs. It was preceded by Bruce
Gardner Agriculture's Revealing--and Painful--Lesson for Industrial
Policy," Heritage Foundation Backgrounder No. 320, Jan uary 3,
1984; and E.C. Pasour, Jr The High Cost of Farm Subsidies,"
Heritage Foundation Backgrounder No. 388, October 22, 1984.
G. Edward Schuh Future Directions of Food and Agricultural
Trade,"
American Journal of Agricultural Economics, May 1984, p. 242. 2
restrictions on competition not only distort the allocation of
resources, but als o restrict the freedom of individuals to enqage
in mutually beneficial exchange and are inconsistent with achiev-
ing a more open economy agricultural policies do not serve the
public interest. programs instead are a form of income
redistribution. ti-on-, - other-federal policies have done much to
hurt farmers. Inflationary monetary and fiscal policies, for
instance, along with subsidized credit and trade restrictions, have
fostered instability in agriculture. moreover, that agriculture is
different from oth e r economic sectors, in the sense that the
competitive market process is incapable.of coordinating its
economic activity. And with the products of two bf every five
cultivated acres in the U.S. now sold abroad, farmers will suffer
seriously from any govern ment policies that encourage
protectionism.
Next year a new farm bill will be introduced in Congress to
reauthorize existing farm programs. This bill is likely to be a
watershed for U.S. agricultural policy if legislators use the
opportunity to debate the fundamentals of farm policy. Only two
basic choices existfor U.S. agriculture 1) continuing and extending
those protectionist policies that support U.S. farm prices above
world market levels and assist and protect domestic producers
through export subsidi e s and import controls 2) opening the U.S
farm economy so that resource use and producer returns are
determined through the market process There is a qreat deal of
evidence, therefore, that government Farm In addi There is no
persuasive evidence In a more o pen economy, milk, wheat, sugar,
and other product Prices of credit and other subsidized inputs
would rise prices would fall, reflecting underlying demand and
supply condi- tions. to reflect the cost of these resources in
other uses. Government would enco u rage rather than impede the
development of options markets and other market institutions
through which farmers could reduce the risks in production and
marketing. The U.S. government could spur trade by reducing its own
trade barriers and working to reduc e trade restrictions on other
countries. Finally, the adoption of noninflationary federal
monetary and fiscal policies would increase economic stability in
agriculture, just as it would in other sectors of the economy Ibid
on international trade during the 1970s exports of farm products
have decreased substantially since 19
81. For example, the acre equivalent of the decrease in exports
of corn, cotton, wheat, and soybeans from 1980 to 1983 was 22.6
million acres. The combination of the decrease in exports and
protectionist domestic farm policies has resulted in a ballooning
of the cost of farm programs Following a large increase in the
dependence of U.S agriculture 3 THE ENTREPRENEURIAL MARKET PROCESS
The underlying problem in agriculture, as in any other s ector of
the economy, is how to secure the best use of resources, available
to any of the members of society, for ends whose rela- tive
importance only these individuals can determine thi's foundation
for economic action, there are two known ways of secur i ng
economic cooperation--the market system and central direction. The
market system does what central planning cannot it utilizes the
detailed information contained in millions of minds that cannot be
articulated and conveyed to a central authority in a s t atistical
form.5 In achieving spontaneous coordination, the price system
provides the signals and the incentives for consumers and producers
to alter their behavior in making consumption and production
decisions compatible government raises the price of m i lk above
the market price, which balances supply and demand, producers are
induced to produce Iltoo muchll and consumers to consume Iftoo
little." The result: costly surpluses. Market prices therefore
provide correct signals to producers and consumers onl y when
prices are free to change in response to changing economic
conditions.
Profit and loss signals provide the fundamental driving force
for change and progress in a private enterprise system. the market,
economic change and progress in agriculture (and in other sectors
is characterized by business experimentation. Entrepreneurial
decisions are guided by perceptions of profit opportunities, and
where there are no government subsidies or "soft loansii to failinq
firms, only those enterprises that best an t icipate market
conditions remain in business. In this way, market forces shift
resources away from 1ess.productive farms. Consequently, since
the'level of profits is determined by how well decision makers have
anticipated market conditions, profit and los s signals are a
measure ofthe respons.iveness of producers to consumers.
The market, then, is a discovery process in which informa- tion
is directed to those who can best use it be fully effective only if
price and profit signals reflect the underlying dem and and supply
conditions Given Government intervention distorts this
coordination. When In This process can Price supports, credit F. A.
Hayek, Individualism and Economic Order (Chicago: University of
Chicago Press, 1948 p. 78.
Leland B. Yeager and David G. Tuerck, "Realism and Free-Trade
Policy,"
Cat0 Journal, Winter 1983/1984, pp. 645-6
66. John Burton, Picking Losers Policy (London: Institute of
Economic Affairs, 1983 F. A. Hayek, "Competition as a Discovery
Procedure," Chap ter 12 in New Studies in Philosophy, Politics,
Economics and the History of Ideas Chicago The Political Economy of
Industrial University of Chicago Press, 1978). 4 subsidies,
marketing orders, and other government programs only hamper and
stifle the entre preneurial discovery process, thereby distorting
the allocation of resources and the pattern of produc- tion.
The only alternative to the market process is central direc-
tion. The political process accompanying such direction, however,
is subject to formi dable information and incentive problems.
principle, central planners could solve the economic coordination
problem if full information were available to them and the incen-
tive problems could be overcome In reality, information problems
are endemic in g o vernment programs because of the separation of
power and knowledge. In the case of subsidized credit by the
Farmers Home Administration E"A for instance, F'mHA officials
cannot objectively determine the demand for so-called limited
resource loans and deci d e which farmers "need a lower interest
rate to have a reasonable chance of success.tf8 Also inherent are
incentive problems in which decision-making power is separated from
responsibility. The fortunes of FmHA lending officials, for
example, are affected relatively little by the success or failure
of farmers receiving loans. When farm credit is available only from
commercial firms whose loan officers are answerable to the
stockholders, on the other hand, there is a strong tendency against
overexpansion.
Th e market process is fueled by entrepreneurial profits and
losses. Indeed, the occurrence of losses and business failure is a
major factor in the process leading to a more efficient use of
resources. But this loss-making function is likely to be impeded by
credit subsidies, moratoriums on E"A foreclosures, and other
agricultural policies that substitute political judgment for the
discipline of the market. Even if the information problem could be
solved and the successes or difficulties of farms predicted in .
such cases, the decision to assist economically distressed farms
political considerations spontaneous coordination of decentralized
decisions in the market process .g tives, and responsibility are
largely fragmented and uncoordinated. The manipulation of
government policies for political purposes is 'a case in point. io
In I i would likely be dominated or heavily influenced by short-run
I In sum, nothing in the political process corresponds to the In
the political arena, knowledge, authority, incen The hi ghly
visible political advantages of U.S. Department of Agriculture, A
Brief History of Farmers Home Administra tion (Washington, D.C U.S.
Government Printing Office, 1983 p. 15.
End B. Yearrer Is There a Bias Toward Overrenulation Chapter 4
in I I Tibor R. Machin and M. Bruce Johnson (eds Rights and
Regulation Ethical, Political, and Economic Issues (San Francisco
for Public Policy Research, 19831, p. 1
00. Pacific Institute io Edward R. Tufte,-Political.Control of
the Economy (Princeton, New Jersey Princ eton University Press,
1978 5 increased agricultural price supports or Social Security
benefits, for example, are realized quickly, whereas the costs are
diffuse and borne in the long run by taxpayers, who have no
opportunity to vote on any one of these i ssues on its own
merit.
WHY GOVERNMENT INTERVENES IN AGRICULTURE There are two competing
hypotheses to explain government intervention in agriculture:
redistribution. the public interest and income The Public Interest
The public interest justification hold s that aqricultural policy
is designed largely to increase stability arising from variability
in crop yields and prices. It is argued by advocates' of government
intervention that lower income for farm labor means that there is a
resource allocation and i n come distribution problem. because of
changing market and weather conditions implies a stabilization
problem. ltproblernslt often are defended on public interest
grounds Similarly, the fact that prices vary from year to year So
government programs to deal with these Income Redistribution Income
redistribution for some public puqose is another jus- tification
often used for government intervention in agriculture. There must
be federal programs it is said, to ensure that farmers receive an
adequate income fo r their essential work by redistrib- uting
income from more affluent sectors I The problem is that many farm
programs seem designed less to achieve such public objectives than
to engage in rent seeking (that is, economic benefits through
political action) f or indi- vidual purposes. Why, for example, are
domestic producers of cheese, butter, or sugar given protection
against cheaper imports? Is it because dairy or sugar producers
have low incomes (and these markets are unstable) or because they
have effectiv e political lobbies? consistent with the evidence.
The role of Political Action Committee (PAC) contributions by big
dairy co-ops in enactment of the 1983 dairy bill, from which some
dairy producers will receive more than 1 million-cited as the
"biggest vi c toryi1 ever fpr the dairy lobby-is hardly consistent
with any.supposedly lofty ideal of transferring income to poor
farmers tobacco program, peanut program, wheat program, and
programs for many other commodities. In each case, the benefits are
concen- tra t ed on a relatively small number of producers, and the
costs are spread thinly across a much larger group of taxpayers and
consumers small, the potential producer payoff is large enough to
induce sugar producers and other commodity groups to organize in po
l itical The latter explanation appears to be more The results are
similar in the case of the sugar program Although program costs to
individuals are quite 6 attempts to achieve income transfers
through the use of government power. Legislators, as part of a
political process biased toward the short run, have incentives to
respond. There is a great deal of casual evidence that price
support programs interest rate subsidies, and other programs to
increase farm incomes are ex- plained better by the attention to
income redistribution rather than to the public interest THE ROLE
OF GOVERNMENT IN MARKET-ORIENTED AGRICULTURE Agricultural programs,
especially price supports and subsi- dized credit, pose three types
of costs 1 since the most profitable pattern of produ ction and
resource use is distorted by price supports and subsidized
inputs.
These policies impede the market discovery process 2) The
programs delay economic adjustment. Consider the extension of
credit on easy terms to farmers in financial diffi fanners in
business whose credit standing is too poor to qualify for loans
from commercial banks. In too many cases, the result is merely to
postpone failure until the next round of depressed prices action
committees (PACs farm organizations, and commodity groups , divert
resources from the task of production to the scramble to obtain and
retain government transfers.
There is no convincing evidence that agriculture is different
from other economic sectors, in the sense that the competitive
market process is fundame ntally incapable of coordinating economic
activity in agriculture. In fact, there is a significant sector of
agriculture, including soybeans, many fruits and vegetables,
poultry and livestock, in which there are no effective price
support programs. This l a rgely unregulated sector of agriculture
accounts for about half to two-thirds of U.S. farm production.
Government-promoted and sanctioned cartels in the production of
milk, tobacco, peanuts, sugar, and other products are no more
defensible (or consistent w ith government antitrust policies than
similar restrictions on competition in other areas of the economy.
culty. "Economic emergency" and other subsidized loans keep some 3)
These programs, as evidenced by expenditures of political It is
increasingly bein g recognized that the U.S. cannot be a credible
proponent of free trade as long as it indulges in protectionist
domestic agricultural policies. Domestic agricul- tural programs
require import restrictions on dairy products, tobacco, suqar,
oranges, and oth e r products. As the dependence of U.S.
agriculture on exports increases, the liberalization of trade
becomes increasingly important. The U.S. government can facilitate
trade both by reducing its own trade barriers and by working to
reduce trade barriers on the part of other countries, including the
European Common Market countries, in which price support programs
have resulted in the accumulation of government- owned stocks Why
Government Should Do Less A primary policy goal should be to ensure
that governm e nt policies do not create artificial instability in
acp-icultural markets. In view of the inherent information and
incentive problems, government may make its greatest contribution
to agri- culture (and to the overall economy) by doing less.ll some
of the ways in which government actions destabilize the
economy.
First, monetary disturbances affect rei-ative prices. This is
particularly true of interest rates, a key factdr inahvest- ment
decisions. which is characterized by a high rate of capital
investment per unit of labor. Many of the widely publicized farm
bankruptcies of recent years have involved heavily leveraged
operations in which money was borrowed at the historically high
interest rates of the late 1970s. And the anticipated inflation,
primary ca u se of such high interest rates and the product of
government's monetary and fiscal policies, has in effect caused
major problems in the farm sector Consider Interest rates are very
important in agriculture Second, administrations often manipulate
short-ru n policies hoping to affect upcoming elections. For
instance, Yale economist Edward Tufte, studying the period from
1947 to 1976, found a two-year political business cycle during
which real income growth increased in eight of eleven election
years as a res u lt of in- creases in transfer gayments, including
Social Security and veterans benefits. Agricultural programs
provide another avenue through which an Administration can
manipulate short-run policies for political advantage. Prior to the
1976 election, fo r example, the Ford Administration raised the
loan rate on wheat from 1.50 to $2.25 per bushel and tripled the
tariff on imported sugar. supports significantly on the eve of the
1980 e1ection.l And President Carter increased dairy grice Third,
subsidized c r edit Programs operated by the Farmers Home
Administration create an incentive to expand the size of farm
operations through borrowing. When the cost of capital is
decreased, farmers are induced to substitute capital for labor Paul
Heyne, The Economic Way of Thinking (Chicago Science Research
Associates li! Edward Tufte, op.'cit l3 Bruce L. Gardner, The
Governing 'of Agriculture (Lawrence, Kansas Press of Kansas. 1981
D. 118.
Regents I l4 Dale Heien, "Future Directions for U.S. Food,
Agricultural, and Trade Policy: Discussion American Journal of
Agricultural Economics, May 1984 p. 232. 8 It is likely that easy
government credit has been a factor con- tributing to the recent
increase in farm bankruptcies.15 trade and, consequently, is
greatly affected by gov e rnment policies affecting trade. Soviet
Union by President Jimmy Carter in 1980, for example, greatly
increased uncertainty in domestic grain markets, since it meant
that supply, demand, and price turned on foreign policy factors
that could change daily. H owever, it is not only the measures
directly affecting agricultural exports that are im- portant.
During the recent recession, for example, the Reagan
Administration's ostensibly free trade policies succumbed to
political pressures, as import restrictions were tightened for
autos, steel, textile products, motorcycles, and other items.
Foreign buyers, however, must have dollars from their exports to
buy U.S. farm products. Consequently, voluntary or nonvoluntary
import restrictions on autos, steel, and othe r products are
especially damaging to agriculture Fourth, agriculture is heavily
dependent on international The suspension of grain sales to the
Much of the instability of U.S. commodity markets during the past
decade can be traced to government policies.1 6 Therefore,
government would make an important contribution to the stability of
agricultural markets by reducing voluntary potas and other trade
restrictions, by eliminating credit subsidies, and perhaps most
important, by following noninflationary moneta ry and fiscal
policies.
Developing Market Institutions to Reduce Risk I I Government
also can create a climate to facilitate rather than impede the
development of institutions dealing with weather and market risks.
Consider the example of crop insurance As a large loss, insurance
is a key means of copinq with risk in many areas of life. The
current government-subsidized crop insurance program, however, in
effect bars crop insurance by private firms It may be that farmers
would not be willing to pay the ful l cost of crop insurance.
levels high enough to cover costs is sometimes taken as evidence I
device to substitute a small, known cost for the possibility of a I
I The lack of participation at premium l5 Michael T. Belongia,
Agriculture: An Eighth District Perspective (St.
Louis, Missouri Although farm bankruptcies have been much in the
news during recent years, the bankruptcy rate does not appear to be
higher in agriculture than in the nonfarm sectors of the economy
The instability of U.S. commodity markets during the 1970s and
early 1980s has been largely a monetary phenomenon, not a weather
phenomenon as is so commonly believed G. Edward Schuh, op. cit., p.
2
44. Other countries as well as the United States contributed to
the monetary in stability Federal Reserve Bank of St. Louis, Spring
1984 l6that' subsidized crop insurance is warranted follows if real
world markets are measured against the norm of perfect
competition,I where all risks would be insured the real world,
where risk reduction is achievable only at a cost it is economic to
shift risk only when the expected gains 1ejcee.d the costs evidexke
of an unwillingness to shift risk to others at premium l evels that
cover the full cost of providing the insurance.l2 Whether crop
insurance is economic can be determined only through a market test
This conclusion But in Thus, the absence of insurance merely is The
futures market is an important means of shifti n g risk in the
production of crop and livestock products for which futures markets
exist Although trading in futures for agricultural products is now
limited to about one year from the current period it might be
possible to develop selected futures contrac t s two or three years
into the future.ls the projected price patterns on the basis of
expected demand and supply conditions and then announce the price
band within which it would buy or sell contracts maturing more than
nine months in the future. Theoretic a lly, such a mechanism would
provide a relatively stable environment in which producers could
hedge production and storage decisions over a longer period all
other actions by agencies in which power and responsibility are
separated. Moreover the enormous p r oblems associated.with
obtaininq sufficient information to make rational decisions are
largely ignored forecast accurately future demand and supply
conditions for agricultural products. Economic prediction of
general economic conditions even one year in a dvance has proved to
be beyond the capability of economic forecasters ment can make the
greatest contribution in the case of futures markets by providing a
stable legal framework.
Option markets provide a potentially attractive alternative for
current gove rnment programs in insuring against risk in
agricultural markets Example: A corn farmer at planting might
purchase a IlputlI option giving him the right to sell a corn
futures contract at harvest at a specified price. If the market
price of corn at harves t exceeds the specified price, the option
need not be exercised, and the fader could sell his corn on the
open market and receive the higher price harvest were below the
option price, on the other hand, the farmer could exercise the
option, thus ensuring h i mself the price he had been counting on A
government agency would determine This proposal, however, faces the
same incentive problems as There is no reason to think a public
agency can It may well be that govern If the corn price at The
purchaser of a Ifp utlf option, which Harold Demsetz Information
and Efficiency: Another Viewpoint Journal of Law and Economics,
April 1969, pp. 1-21.
J. Bruce Bullock Future Directions for Agricultural Policy,"
American Journal of Agricultural Economics, May 1984, pp. 234-2 39.
10 entitles him to sell a commodity at a specified price, is
insured against a decrease in price. conventional futures market
hedge, provides security against price decreases. Unlike the
conventional hedge, however, the llputlf option allows farmers t o
reap the benefits of price in creases Thus, the aputll option, like
the There were no markets for I1put1l options in agricultural
products from the New Deal era up until 1984 such option markets
was not caused by market failure, but rather by a congressi o nal
ban on agricultural commodity options in 1936 following allegations
of market manipulation. Trading Act lifted the 1936 ban and
authorized a three-year pilot program with actual trading of a
ricultural commodity options scheduled to begin in late 1984 The
absence of The 1982 Futures 9 GOVERNMENTAL INITIATIVES Three steps
could move the U.S. to a market-based agricultural production and
marketing system 1. Agricultural programs must be changed so that
prices of farm Products reflect the underlying suppl y and demand
conditions. That is, price support levels should not be above the
market clearing prices for wheat, cotton, milk, oranges, and other
products. the U.S. government must reduce (not increase) trade
restrictions and work to reduce trade barriers i n.other countries
In expanding opportunities for exports of farm Products 2. If
interest rates are to allocate credit efficiently within
agriculture and between agriculture and other sectors, the price of
credit must reflect the actual cost of credit This means that
credit subsidies on loans by the Farmers Home Adminis- tration, the
Rural Electrification Administration, and other agencies must be
eliminated that create or increase market instability. The sad fact
is that market instability in agriculture d u ring the past decade
has been largely attributable to government policies. The most
important contribution the federal government could make toward
reducing risk and instability in U.S. agriculture would be to
pursue stable and noninflationary monetary an d fiscal policies.
ing a stable legal framework for businesses engaged in agriculture
is also important in the development and operation of futures
markets, option markets, and other market institutions to reduce
risk 3. The government must eliminate or re d uce those policies
Provid l9 David E. Kenyon, Farmer's Guide to Trading Agricultural
Commodity Options, U.S.D.A. Agriculture Information Bulletin Number
463 (Washington, D.C U.S. Goverient Printing Office, 1984 11
CONCLUSION U.S. agricultural policies hav e been designed to raise
Today's agricultural surpluses can be attributed directly product
prices above the market price ever since the New Deal era. to
government price support programs in which farm product prices have
been supported at artificially high levels. As such, the most
effective means of eliminating surpluses of grains, milk, or other
products is to eliminate price supports. Attempts to solve
overproduction problems throuqh payments to producers, land
retirement, and other means misallocate res o urces and require
restrictions on imports to prevent domestic consumers from pur-
chasing cheaper imported goods It is inconsistent for agri-
cultural producers to support protectionist domestic policies for
their own products while simultaneously advocat ing freer inter-
national trade.
The competitive entrepreneurial market process is just as
applicable to agriculture as to other economic sectors. enterprise
system is unique in its ability to harmonize resource use and to
accommodate consumer demand effec tively process can only be fully
effective if market signals, including prices profits and interest
rates reflect constantly changing economic conditions. Economic
regulation and taxation of entre- preneurial returns thus will
affect resource use adversel y The free The market Government
programs always have consequences that were not, and cannot be,
foreseen. This creates pressures for new programs to deal with
these unanticipated problems. Department's Payment in Kind (PIK)
program in 1983, for example, w a s devised to deal with the
problem of surpluses created by the government's price support
programs. The PIK program, however, reduced sales of farm
equipment, fertilizer, and other agri- cultural inputs, thereby
hurting firms selling these inputs. To reme dy this, Congress made
agribusiness firms eligible for sub- sidized FmHA loans in 19
84. In this example, as is often the case, the abruptness of
changing economic conditions can be traced to government policies.
That is, government policy is frequently a source of uncertainty
rather than a source of stability achievements, and there is
abundant ev-idence that, judged by its ability to produce goods and
services, the market system is a phenomenon unique in world
history.20 Moral issues pertain as well, sin c e a persuasive case
can be made that prohibitions on mutually beneficial market
exchanges are not fundamentally dif- ferent from restrictions on
First Amendment rights.21 The Agriculture The market is often
justified on the basis of its productive It is 2 o 21 Paul Johnson
Has Capitalism a Future The Freeman, January 1979, pp 47-50.
Ronald Coase, "The Market for Goods and the Market for Ideas,"
American Economic Review, May 1974, pp. 384-391. 12 ironic that
human rights issues are so heavily discounted or i gnored in
discussions of restrictions on economic freedom It is argued, for
example, that agricultural programs that restrict competition are
not authoritiarian, because no production control program in
agriculture "has been engaged in without a favorable vote by
farmers.'122 rights occurs under majority rule, however, does not
eliminate the human rights issue involved. Similarly, if economic
rights are similar to First Amendment rights, the fact that a
plebiscite precedes compulsion in the case of marketi n g orders
and other government-sanctioned restrictions on competition does
not dispose of the ethical issue. The voting in such cases excludes
the much larger number of taxpayers and domestic and foreign
consumers who bear the cost of the programs people t o make
voluntary economic transactions with each other is central to
questions concerning the appropriate role of govern- ment in
agriculture and other sectors of the economy. In what George Mason
University economist James Buchanan has labeled the Ifmoral l y
relevant" science of political economy, the focus is on the
institutional framework that provides the greatest oppor- tunity
for individuals to pursue their own diverse ends through
decentralized coordination of their activities. The policy
implication o f this market-based approach is that the maximum
scope for individual choice should be provided. Only in this way
can the nation's agricultural resources be used most economically,
serving the interests of farmers, consumers, and taxpayers alike
The fact that an infringement of civil The notion of individual
rights, including the rights of Prepared for The Heritage
Foundation by E.C. Pasour, Jr 22 Harold F. Breimyer,
"Conceptualization and Climate for New Deal Farm Laws of the 1930s
1983).
D. 1156.
Americ an Jokal of Agricultural Economics (December I A 23 James
M. Buchanan The Related But Distinct 'Sciences' of Economics and of
Political Economy," British Journal of Social Psychology (1982), pp
175-183 Professor of Economics and Business, North Carolina S tate
University.
The author wishes to thank M.A. Johnson for helpful
comments.