Abstract This article argues that the existence of adverse selection (worker heterogeneity) can explain the underprovision of general training by employers. High-ability workers value the option to entertain outside wage offers once their abilty becomes known to the market. Offering short-term...

Benjamin E. Hermalin and Michael L. Katz<BR> Keywords: diversification; principal-agent relationship<BR> Firms undertake a variety of actions to reduce risk through diversification, including entering diverse lines of business, taking on project partners, and maintaining portfolios of risky projects...

The standard economic model of decision making assumes a decision maker makes her choices to maximize her utility or happiness. Her current emotional state is not explicitly considered. Yet there is a large psychological literature that shows that current emotional state, in particular positive...