This essay revisits the economic theory of fiduciary law. Nearly two decades have passed since the publication of the seminal economic analyses of fiduciary law by Cooter and Freedman (1991), and by Easterbrook and Fischel (1993), which together have come to underpin the prevailing economic,...

This chapter restates the economic theory of fiduciary law, making several fresh contributions. First, it elaborates on earlier work by clarifying the agency problem that is at the core of all fiduciary relationships. In consequence of this common economic structure, there is a common doctrinal...