We present a theory of production that begins with an exogenously specified set of technologies, accessible to each potential firm. The technologies used in equilibrium are endogenous. Labor skills are differentiated, and the labor skills are acquired endogenously by workers, possibly by bearing...

This paper investigates the importance of financial institutions, particularly universal banks, in the pricing of risk in securities markets. Recent research on modern economies, finds that three factors explain the cross-section of average stock returns: (i) a stock's sensitivity to market-wide...