The forefathers of libertarian thought, Ludwig von Mises and Friedrich Hayek, wrote illuminating defenses of markets in their war of words against socialism and state planning in the early 20th century. At the center of their analysis was the spontaneous economic order created by the separate actions of individuals as they make choices in the marketplace. They argued that the ordinary knowledge of regular citizens could be pooled in the market and lead to a better result than any central decrees based on expert knowledge. von Mises and Hayek were not the first to articulate this idea, but they certainly surpassed their predecessors in both clarity and depth.
Orthodox libertarianism has fought a losing battle in most developed countries for a long time now, for good reasons. Even though markets are accepted as necessary mechanisms in modern society, few people consider them sufficient in themselves. The state must intervene to keep preserve equality and to keep the market from “failing”. Most discussions of market failure and state intervention seem to be based on a shallow understanding of the dichotomy between ordinary knowledge and expert knowledge. Market failure results when ordinary knowledge is misinformed. State intervention is justified if its experts are better informed.
However, the importance and value of ordinary knowledge does not nowadays seem to get much attention beyond questions of market regulation. In this essay I will discuss ordinary knowledge from a few different perspectives and try to sort out a few preliminary ideas about its applicability in political decision-making. Continue reading