Harry Potter and Deliberate Ignorance in Welfare Economics https://www.mpg.de/16837912/harry-potter-and-deliberate-ignorance-in-welfare-economics
Deliberately ignoring information can sometimes lead to better decisions. This can also be the case in the relationship between the market and the state—that is, in whether the state should intervene in the economy to correct for a market failure, for example. Economist Felix Bierbrauer presents examples from welfare economics and considers the potential effects on fairness, freedom, and individual motivation.
Potter and Deliberate Ignorance in Welfare Economics