Three years ago, the Antitrust Division and the Federal Trade Commission revised their Horizontal Merger Guidelines to articulate in greater detail how they would treat claims of efficiencies associated with horizontal mergers: claims that are frequently made, as for instance in the recently...

JEL#: A12, A13, B49, C70, C91, D63<BR> Keywords: difference aversion, fairness, inequality aversion, maximin criterion, non-ultimatum games, reciprocal fairness, social preferences<BR> Departures from pure self interest in economic experiments have recently inspired models of "social preferences". We...

Intellectual property treaties have two main types of provisions: national treatment of foreign inventors, and harmonization of protections. I characterize the circumstances in which countries would want to treat foreign inventors the same as national inventors. I then argue that national...

JEL#: A12, B49, C70, D11, D60, D74, D91, E21<BR> Keywords: choice, naivete, partial naivete, present-biased preferences, procrastination, self control, sophistication, time inconsistency<BR> Recent models of procrastination due to self-control problems assume that a procrastinator considers just one...