Consider an exchange economy with multiple competitive equilibria. Agents know the set of equilibria, but not which will be selected. To insure against unfavorable equilibrium outcomes, they trade on markets for commodities contingent on the equilibrium price vector. Such price-contingent...

An overview of modern and historical interest rate model theory is given with thespecific aim of derivative pricing. A variety of stochastic interest rate models arediscussed within a South African market context. The various models arecompared with respect to characteristics such as mean...

One of the risks of making a bank loan or investing in a debt security is credit risk, the risk of borrower default. In response to this risk, new financial instruments called credit derivatives have been developed in the past few years. Credit derivatives can help banks, financial companies,...