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Bubbles, Busts, And Blame, Robert C. Hockett

Cornell Law Faculty Publications

I argue that financial asset price bubbles and busts, such as those we have recently experienced in the mortgage and securities markets, are compatible with market efficiency, individual rationality, and even ethically unobjectionable behavior. The reason is that they constitute classic recursively self-amplifying collective action problems, the hallmark of which is the efficient aggregation of individually rational behaviors into collectively calamitous outcomes. In the present case, individuals rationally "legged the spread" between cheap borrowing costs and credit-fueled capital gains rates, neither of which market actors could affect in their individual capacities even when knowing that credit would have eventually to …