Joseph Stiglitz - Wikipedia, the free encyclopedia
Stiglitz has shown (together with Bruce Greenwald) that "whenever markets are incomplete and /or information is imperfect (which are true in virtually all economies), even competitive market allocation is not constrained Pareto efficient". In other words, there almost always exists schemes of government intervention which can induce Pareto superior outcomes, thus making everyone better off.[8] Although these conclusions and the pervasiveness of market failures do not necessarily warrant the state intervening broadly in the economy, it makes clear that the "optimal" range of government recommendable interventions is definitely much larger than the traditional "market failure" school recognizes[9]
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