Investors hold equity in tax-exempt savings vehicles such as pension plans, despite the prediction of the standard model that they hold only bonds. We provide a new explanation for this empirical puzzle based on differences between pensions and taxable assets in the tax treatment of capital...

Social impact bonds (SIBs) have recently generated a lot of excitement nationwide as an innovative way to finance social projects. A SIB is a financing mechanism that uses private capital to fund social services, with the government only repaying investors their capital plus a potential return...