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Economic Insights
FEDERAL RESERVE BANK OF DALLAS VOLUME 11, NUMBER 1

Jean-Baptiste Say
Foundations of France’s Free Trade Tradition

Given France’s current attitude toward
free trade, some might find it surprising
that the nation was home to an influential
group of pro-free trade political economists from the early 18th to early 19th
centuries. Jean-Baptiste Say, a writer who
popularized Adam Smith in France,
is squarely in that tradition. He is
also responsible for one of the great,
ongoing macroeconomic controversies—
his famous Law of Markets. Say was
much more than a Smith follower, and
his ideas have always prompted scholarly
investigation. We offer readers this issue of
Economic Insights as an introduction to
one of France’s great free trade advocates.
— Richard W. Fisher
President
Federal Reserve Bank of Dallas

France is not known today for its
vigorous support of free markets, and
yet it was France that gave the world
the term most used by advocates of
free trade: laissez-faire. The development of modern economics included
many famous French writers. Among
them was the famous classical school
economist and Adam Smith enthusiast
Jean-Baptiste Say (1767–1832).
Say was born in Lyons. He was
well educated in schools there, then
sent by his father to London for two
years to study business practices. He
rejoined his family in 1787 at their new
home in Paris. There, he worked for an
insurance company run by Etienne
Claviere, who played an important role
in the French Revolution that eventually cost him his life. Say was luckier.
His marriage in 1793 exempted him
from France’s universal conscription
laws. Just prior to his marriage, he did
serve briefly in a volunteer battalion,
but after marrying he was never again
involved with the military. Say first
began writing for public consumption
during this period of unrest and war,
1789–95. His initial work was a pamphlet on press freedom published in
1789. It had little immediate influence.
Say retreated to the countryside
during the height of Robespierre’s revolutionary terror, becoming part owner
and co-editor of a new philosophical
journal, Decade philosophique, litteraire et politique. He managed to avoid
any serious negative consequences from
the revolutionary period’s late, murderous frenzy. His first book, Olbie, was
published in 1800 and addressed the
question: “What are the means of

Jean-Baptiste Say
establishing moral behavior among a
people?” Readers can see in this work
the sort of moral arguments that infused
early writing in political economy and
the germ of Say’s famous A Treatise on
Political Economy. But his first foray
into political economy was not well
timed.
Between 1800 and 1814, France
was ruled by Napoleon Bonaparte, who
disliked much of Say’s Treatise when it
first appeared in 1803. For that reason,
the book was not reprinted, although
German and Spanish editions came out
shortly after it was published. Napoleon demanded revisions before the
book would be allowed a second printing, and even offered Say employment
at court. Say declined his offers and
instead went into business by opening
a cotton-spinning factory. (Many years
later, in 1815, Say would once again
deny Napoleon supporters their request for a document that argued that
the former emperor—then seeking to

Say’s Famous and Controversial Law of Markets
Few propositions in the history of economics have been as widely
debated as Say’s contention that, in the aggregate and long run, demand
cannot be less than supply because to supply is, ultimately, to demand.
A single line in John Maynard Keynes’ famous 1936 book The General
Theory of Employment, Interest and Money stated it this way: “From the
time of Say and Ricardo the classical economists have taught that supply creates its own demand….”
Keynes’ work, which can be viewed as one long anti-Say argument,
triggered the second major controversy over Say’s ideas (Blaug 1996,
pp. 151–60). The first took place in the 19th century among the classical school economists themselves. The arguments over what Say actually meant tended toward confusion and misunderstanding, as much in
the 19th century as in the 20th when Keynes resurrected the issue. Say’s
view of things was first printed in 1803 and is found primarily (but far
from only) in Chapter 15, Book 1 of his most famous work, A Treatise on
Political Economy.1 He did not call his rejection of the possibility of a general overproduction of commodities a law; that was later attached to
Say’s argument by James Mill and other London followers of David
Ricardo beginning with the 1808 publication of Mill’s Commerce
Defended.
Business owners commonly observe during economic downturns
that inventories accumulate and many goods remain unsold. Early theorists sometimes wrote of a glut of commodities that could not be sold
due to insufficient demand.2 Say sought to show that this was not possible as an explanation of the cause of depressions and that no general
overproduction was possible. It was, therefore, not a sound policy, he
argued, to try to stimulate aggregate demand in such circumstances:
“The encouragement of mere consumption is no benefit to
commerce; for the difficulty lies in supplying the means, not
in stimulating the desire of consumption; and we have seen
that production alone furnishes those means. Thus, it is the
aim of good government to stimulate production, of bad government to encourage consumption.” (Say, p.139)
Say’s major opponents during the first conflict over his analysis
were Thomas Malthus and John Charles Leonard Simonde de Sismondi.
The most detailed argument Say ever made for his views and what separated them from those of his critics was in a series of letters he
exchanged with Malthus. The letters were later anthologized in book
form.
For Say, and those who agree with his analysis, people supply to be

return to power after escaping exile on
Elba—was fiscally responsible.)
Say pursued his business interests
for eight years, all but abandoning hope
of being an economist. He was discouraged by what had happened politically to France. Originally a Napoleon
supporter, Say became one of his many
critics. During this period, the works of
France’s early 18th century free trade
advocates had a declining influence on
their nation’s trade policies, although

able to demand. From this perspective, it simply makes no sense to
speak of insufficient demand. What occurs during depressions is, as Mill
wrote in his Commerce Defended, a mismatch of individual market
demands with existing resource allocations. What is required is waiting
until the markets work out these long-run imbalances.3 It is easy to see
how this idea could be reduced, as Keynes did, to “supply creates
demand,” but that formulation is an inaccurate description of Say’s position (Rothbard 1995, p. 44, n. 14).
Regardless of the detailed examinations of Say’s work by Rothbard,
Schumpeter (1954, pp. 738–42), Sowell (1974, pp. 39–52) and others,
most macroeconomics students are still taught that Say wrote “supply
creates demand” and Keynes refuted him in The General Theory. Neither
statement is entirely accurate. Part of this ongoing confusion rests with
Say and part with his opponents, who often wrote without explicitly stating whether their claims were in terms of comparative statics or dynamics, operating in the short or long run, using prices as costs or vice
versa, with repeated confusions over savings and financial intermediation, as they all went about aggregating (theoretically) their macroeconomic variables.
It is seldom noted that Say modified his analysis for the fifth edition (not available in English) of his major work, allowing for macroeconomic disequilibrium conditions and reconciling his prior analysis with
those of his critics (Sowell 1987, p. 249). As Sowell (1974) strongly
points out (also Thweatt, in Blaug 1991, p. 143), Say’s analysis, along
with most classical school writing, was oriented toward the causes of
long-term economic growth, not the short-term deviations from full
employment that obsessed Keynes.
Finally, there is the ongoing debate over who first wrote the substance of Say’s Law. Some historians of economic thought have singled
out early French Physiocrat writers such as Mercier de la Riviere or others (Sowell 1972, pp. 36–37, and Spengler, in Blaug 1991, pp. 1–50),
while different historians argue that it was Mill (Baumol 2003, pp.
39–49), and still others give Say the credit by virtue of the timeline of
expositions (Schumpeter 1954, p. 491, n.). This debate, like so many in
the history of ideas, is unlikely ever to be completely settled. ■
Notes
1

Who first stated the idea now attributed to Say? This lies beyond the scope of this
essay. If interested in this question, see Blaug’s (1991) collection of papers.
2
Sowell 1974, p. 45.
3
Keynes’ famous aphorism for this view was “In the long run, we are all dead.”

their beliefs generally prevailed in
places such as Great Britain and America.
Schumpeter (1954, pp. 392–93) argues
that this forced entrepreneurial period
benefited Say because he learned more
than economic theoretical abstractions
as he dealt with real-world business
decisions.
During this time, Say wrote to
Thomas Jefferson about possible emigration to America. Say had become a
successful factory owner, employing

400 people by 1810. When he wrote
Jefferson, the U.S. was at war with
Great Britain, so such a move would
have been difficult, if not impossible.
And slavery was an issue if Say was to
be a Virginia planter like Jefferson. Say
adamantly opposed slavery (Palmer
1997, pp. 85–87; Say 1971, pp. 206–
09). For these reasons, Jefferson sought
to dissuade Say from attempting to
emigrate. At the same time, Napoleon
was suffering his final defeat at Water-

loo. With Napoleon’s departure, the
French monarchy was restored in the
person of Louis XVIII, and Say decided
to remain in France.
In 1815, he began giving lectures at
the Athenaeum that were anthologized
into a short book. Say tried to educate
the general public, just as he had with his
Treatise in 1803, about what he considered the “laws of scientific economics.”
He had revisited England in 1814, commissioned by France’s new government
to write a report on England’s economic and social development.
During the four months he spent in
England, Say was conflicted about
what he saw, admiring some things
while deploring others. But he formed
important friendships with such economic notables as Thomas Malthus,
James Mill, Jeremy Benthem and David
Ricardo. While visiting Glasgow, he sat
in Adam Smith’s professorial chair, a
very emotional moment for Say. His
views of England were no doubt
affected by the criticisms and observations of his new acquaintances, especially their opinions on the monopoly
grant to the East India Company and
England’s agricultural protectionism
through the Corn Laws. Both these
problems would eventually end, the
former through bankruptcy and the latter through repeal, ushering in
England’s free trade years during the
late 19th century. But Say would not
live to see these beneficial changes.
Three editions of his Treatise had
been published by 1820, and Say was
internationally known. He was asked to
provide extensive commentaries on Ricardo’s Principles of Political Economy
and Taxation (1817) and Malthus’
Principles of Political Economy (1820).
Given his increasing fame, Say was
offered a chair in industrial economy at
the Conservatory of Arts and Trades.
This name was chosen because some
in the French government were afraid
that the term “political economy” gave
too much prestige to teachers outside
the government, creating a platform
from which they would criticize state
decisions. Say lectured at the conserva-

Demand for Commodities Is Created by Supplying Them
It is common to hear adventurers [entrepreneurs] in the different channels of industry assert
that their difficulty lies not in the production, but in the disposal of commodities; that products
would always be abundant, if there were but a ready demand, or market for them. When the
demand for their commodities is slow, difficult, and productive of little advantage, they pronounce
money to be scarce; the grand object of their desire is, a consumption brisk enough to quicken
sales and keep up prices. But ask them what peculiar causes and circumstances facilitate the
demand for their products, and you will soon perceive that most of them have extremely vague
notions of these matters; that their observation of facts is imperfect, and their explanation still
more so; that they treat doubtful points as matter of certainty, often pray for what is directly opposite to their interests, and importunately solicit from authority a protection of the most mischievous tendency….
A man who applies his labor to the investing of objects with value by the creation of utility of
some sort, cannot expect such a value to be appreciated and paid for, unless where other men
have the means of purchasing it. Now, of what do these means consist? Of other values of other
products, likewise the fruits of industry, capital, and land. Which leads us to a conclusion that may
at first sight appear paradoxical, namely, that it is production which opens a demand for products.
Should a tradesman say, “I do not want other products for my woollens, I want money,” there
could be little difficulty in convincing him that his customers could not pay him in money, without
having first procured it by the sale of some other commodities of their own….You say, you only
want money; I say, you want other commodities and not money. For what, in point of fact, do you
want the money? Is it not for the purchase of raw materials or stock for your trade, or victuals for
your support? Wherefore, it is products that you want, and not money….
The same principle leads to the conclusion that the encouragement of mere consumption
is no benefit to commerce; for the difficulty lies in supplying the means, not in stimulating the
desire of consumption; and we have seen that production alone furnishes those means. Thus, it
is the aim of good government to stimulate production, of bad government to encourage consumption. ■
— A Treatise on Political Economy, 132 – 33, 139

Consumers in All Nations Are Hurt by Trade Protectionism
The subject [is]…the nature of the injury that a community suffers by difficulties thrown in
the way of the introduction of foreign commodities. The mischief occasioned to the country that
produces the prohibited article is of the same kind and description; it is prevented from turning its
capital and industry to the best account. But it is not to be supposed that the foreign nation can
by this means be utterly ruined and stripped of all resource, as Napoleon seemed to imagine, when
he excluded the products of Britain from the markets of the continent. To say nothing of the impossibility of effecting a complete and actual blockade of a whole country, opposed as it must be by
the universal motive of self-interest, the utmost effect of it can only be to drive its production into
a different channel. A nation is always competent to the purchase and consumption of the whole
of its own products, for products are always bought with other products. Do you think it possible
to prevent England from producing value to the amount of a million, by preventing her export of
woollens to that amount? You are much mistaken if you do. England will employ the same capital
and the same manual labor in the preparation of ardent spirits, by the distillation of grain or other
domestic products, that were before occupied in the manufacture of woollens for the French market, and she will then no longer bring her woollens to be bartered for French brandies. A country,
in one way or other, direct or indirect, always consumes the values it produces, and can consume
nothing more. If it cannot exchange its products with its neighbors, it is compelled to produce values of such kinds only as it can consume at home. This is the utmost effect of prohibitions; both
parties are worse provided, and neither is at all the richer. ■
— A Treatise on Political Economy, 166

tory for 10 years, coexisting with a government suspicious of academic critics.
Some who said things that displeased
the state had their courses closed.
Finally, a little more than a year before
his death, Say was awarded a chair in
political economy at the College of
France. Say thought his discipline
ought to have been called “social economy” because economic laws and economic policies affected all society.
Although in poor health during the
final years of his life, Say remained productive with lecturing, writing and
overseeing the fifth edition of his
Treatise, published in 1826. His wife
died in 1830, leaving him lonely and
depressed. In 1832, at age 65, a few
weeks after giving his opening lecture
at the College of France for the new
term, he followed her in death.
Say has been credited with much
more than what came to be called Say’s
Law of Markets. He was either the first,
or among the first, to introduce into the
classical school paradigm such concepts as utility, services and entrepreneur. Because he was fluent in English,
knew his British classical school contemporaries well and corresponded
with them frequently, he was able to
facilitate the international flow of ideas.
By 1826, his own major work had been
translated into German, English, Swedish, Danish, Italian and Spanish.
Unwittingly, John Maynard Keynes
might be primarily responsible for the
reassessment of Say’s place in the history of economic thought. By attacking
Say’s Law, Keynes forced this reexamination on the profession, although that
was probably not his intention. The
reassessment has, on balance, enhanced Say’s place in history.
— Robert L. Formaini
Economic Writer

Note
Unless otherwise noted, biographical material
in this essay is taken from Palmer (1997).

Photo Credit
Dictionnaire de l’économie politique, published
under the direction of CH. Coquelin et

Say’s Anticipation of Modern Debates over Taxation
It may be urged, that the pressure of taxation impels the productive classes to redouble their
exertions, and thus tends to enlarge the national production. I answer, that, in the first place, mere
exertion cannot alone produce, there must be capital for it to work upon, and capital is but an
accumulation of the very products that taxation takes from the subject: that, in the second place,
it is evident, that the values, which industry creates expressly to satisfy the demands of taxation,
are no increase of wealth; for they are seized on and devoured by taxation. It is a glaring absurdity to pretend that taxation contributes to national wealth, by engrossing part of the national produce, and enriches the nation by consuming part of its wealth….
Hence, it is manifest that, although taxation may be, and often is, productive of good, when
the sums it absorbs are properly applied, yet, the act of levying is always attended with mischief
in the outset….
Admitting these premises, that taxation is the taking from individuals a part of their property
for public purposes; that the value levied by taxation never reverts to the members of the community, after it has once been taken from them; and that taxation is not itself a means of reproduction; it is impossible to deny the conclusion, that the best taxes, or, rather those that are least
bad, are
1. Such as are most moderate in their ratio.
2. Such as are least attended with those vexatious circumstances that harass the taxpayer
without bringing anything into the public exchequer.
3. Such as press impartially on all classes.
4. Such as are least injurious to production.
5. Such as are rather favorable than otherwise to the national morality; that is to say,
to the prevalence of habits, useful and beneficial to society. ■
— A Treatise on Political Economy, 447 – 49
Guillaumin (editors), Librairie de Guillaumin,
Paris, 1864.

Say, Jean-Baptiste (1971), A Treatise on
Political Economy (New York: Augustus M.
Kelley), orig. pub. 1803.

Sources and Suggested Reading
Baumol, William J. (2003), “Retrospectives:
Say’s Law,” in Two Hundred Years of Say’s
Law: Essays on Economic Theory’s Most
Controversial Principle, ed. S. Kayes
(Cheltenham, UK: Edward Elgar).
Blaug, Mark, ed. (1991), Jean-Baptiste Say
(Brookfield, Vt.: Edward Elgar).
––––– (1996), Economic Theory in Retrospect
(New York: Cambridge University Press).
Hollander, Samuel (2005), Jean-Baptiste Say
and the Classical Canon in Economics (New
York: Routledge).
Keynes, John Maynard (1963), The General
Theory of Employment, Interest and Money
(New York: Harcourt, Brace and World), orig.
pub. 1936.
Palmer, R. R. (1997), J. B. Say: An Economist
in Troubled Times (Princeton, N.J.: Princeton
University Press).
Rothbard, Murray (1995), Classical Economics:
An Austrian Perspective on the History of
Economic Thought, vol. 2 (Hants, UK: Edward
Elgar).

Schumpeter, Joseph (1954), History of
Economic Analysis (New York: Oxford
University Press).
Sowell, Thomas (1972), Say’s Law: An
Historical Analysis (Princeton, N.J.:
Princeton University Press).
––––– (1974), Classical Economics
Reconsidered (Princeton, N.J.: Princeton
University Press).
––––– (1987), “Jean-Baptiste Say,” in The New
Palgrave: A Dictionary of Economics, vol. 4,
ed. John Eatwell, Murray Milgate and Peter
Newman (New York: Stockton Press), p. 249.

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