Economic models routinely assume firms maximize shareholder wealth; however common law legal systems only require that officers and directors pursue the interests of the corporation, leaving this ill-defined. Economic arguments for shareholder wealth maximization derived from shareholders'...

Firm specific information has a damped effect on business group firms' stock prices. Business group affiliated firms' idiosyncratic stock returns are less responsive to idiosyncratic commodity price shocks than are the idiosyncratic returns of otherwise similar unaffiliated firms in the same...