"A market economy is an abstraction that is meant to capture a situation in which all individuals and firms can freely produce, buy, and sell any products or services that they wish. When these circumstances are not present there is a "market failure." Such failures provide the basis for a theory of world inequality, since the more that market failures go unaddressed, the poorer a country is likely to be. The ignorance hypothesis maintains that poor countries are poor because they have a lot of market failures and because economists and policymakers do not know how to get rid of them and have heeded the wrong advice in the past. Rich countries are rich because they have figured out better policies and have successfully eliminated these failures. Could"