We evaluate the contribution of analysts' earnings forecasts to investors' decisions by comparing the association between annual excess returns and a broad set of information items derived from financial statements with the association between excess returns and that information set plus the...

An important recent development in the pricing of interest rate derivatives is the emergence of models that incorporate lognormal volatilities for forward Libor or forward swap rates while keeping interest rates stable. These market models have three attractive features: they preclude arbitrage...

Different forms of resource allocation - by markets, cooperative games, and by social choice - are unified by one condition, limited arbitrage, which is defined on the endowments and the preferences of the traders of an Arrow Debreu economy. Limited arbitrage is necessary and sufficient for the...