✓ Verified in Human Action
From Human Action — surrounding passage
No deviation from the unhampered market economy is thinkable without authoritarian regimentation. Whether the authority in which these powers are vested is called lay government or theocratical priesthood makes no difference. The reformers, in exhorting people to turn away from selfishness, address themselves to capitalists and entrepreneurs, and sometimes, although only timidly, to wage earners as well. However,
“The market economy is a system of consumers' supremacy.”
The sermonizers should appeal to consumers, not to producers. They should persuade the consumers to renounce preferring better and cheaper merchandise to poorer and dearer merchandise lest they hurt the less efficient producer. They should persuade them to restrict their own purchases in order to provide poorer people with the opportunity to buy more.