We analyze the roles of entrepreneurs, venture capitalists (VC), and the government in financing fundamental innovations, defined as those with positive social value net of development costs, but negative net present values to innovating firms. We first analyze the case where the entrepreneur,...

We analyze a firm's choice between dividend payments and stock repurchases under heterogeneous beliefs and the subsequent long-term stock return performance of firms adopting the two forms of payout. Firm insiders, owning a certain fraction of its equity, choose between paying out its cash...

In the absence of market imperfections, the mutuality principle leads to efficient risk sharing and the Pareto optimal asset allocations. With market imperfections such as transaction costs and information asymmetry, risk-sharing becomes costly, and it can even lead to financial crises. We...