The Grocer Philosophy of Inflation Was Exploded by Adam Smith and Jean-Baptiste Say But Revived by Lord Keynes as the Full-Employment Policy

The inflationist or expansionist doctrine is presented in several varieties. But its essential content remains always the same.

The oldest and most naive version is that of the allegedly insufficient supply of money. Business is bad, says the grocer, because my customers or prospective customers do not have enough money to expand their purchases. So far he is right. But when he adds that what is needed to render his business more prosperous is to increase the quantity of money in circulation, he is mistaken. What he really has in mind is an increase of the amount of money in the pockets of his customers and prospective customers while the amount of money in the hands of other people remains unchanged. He asks for a specific kind of inflation; namely, an inflation in which the additional new money first flows into the cash holdings of a definite group of people, his customers, and thus permits him to reap inflation gains. Of course, everybody who advocates inflation does it because he infers that he will belong to those who are favored by the fact that the prices of the commodities and services they sell will rise at an earlier date and to a higher point than the prices of those commodities and services they buy. Nobody advocates an inflation in which he would be on the losing side.

This spurious grocer philosophy was once and for all exploded by Adam Smith and Jean-Baptiste Say. In our day it has been revived by Lord Keynes, and under the name of full-employment policy is one of the basic policies of all governments which are not entirely subject to the Soviets.

--Ludwig von Mises, The Theory of Money and Credit, trans. H. E. Batson (Indianapolis: Liberty Fund, 1981), 463-464.