This article takes the pathbreaking Coasen arguments against Pigou and turns them against "the market-based transaction cost" approach favored by Judge Posner and other Chicago-style microeconomists. The concept of transaction costs does not have the sort of theoretical intelligibility nor the...

In law as well as economics, the most well-known aspect of Coase's “The Problem of Social Cost,” is the Coase Theorem. Over the decades, that particular notion has morphed into a crucial component of Chicago law and economics — namely, transaction cost analysis. In this Article, I...