Economics involves the study of purposeful human action. When economists write about “methodological individualism” as being at the basis of their subject, some Christians have a tendency to think that this is problematic: after all, we are called to live in society. However, methodological individualism simply means that it is only the individual that can act purposefully. We should not think of the economy as an abstraction. Economic decisions, outcomes and even complex social structures ultimately arise from the decisions of individuals. If there is dire poverty, oppression and corruption in a country, this does not happen without sinful actions by individuals in the economic sphere. Even if structures of sin exist, whereby the culture is so warped that we find it almost impossible to resist the temptation to sin ourselves (for example, if we simply cannot run our small business without paying a bribe), as St. John Paul II reminded us, such structures of sin always derive from the actions of individuals. That is true even if those actions were historical and interact with the actions of many others.
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