Security baskets and index-linked securities are securities whose values are functions of the cash flows or values of other assets. Intermediaries create security baskets by pooling or bundling more primitive assets such as mortgages, credit card receivables and other loans, or equities as in...

We consider a model of the stock market with delegated portfolio management. All agents are rational: some trade for hedging reasons, some investors optimally contract with portfolio managers who may have stock-picking abilities, and portfolio managers trade optimally given the incentives...

An individual investor’s demands for risky capital and riskless bonds depend on the investor’s subjective beliefs about the payoff to risky capital. This paper determines equilibrium asset prices and returns in a capital market in which investors have heterogeneous subjective expectations of...

Much of financial theory neglects transactions costs. Perhaps the most successful implementation of it -- i.e. continuous-time portfolio choice and option pricing -- is downright inconsistent with the existence of any transactions cost at all. Nonetheless prima facie evidence from the trade is...