Standard representative-agent models fail to account for the weak correlation between stock returns and measurable fundamentals, such as consumption and output growth. This failing, which underlies virtually all modern asset-pricing puzzles, arises because these models load all uncertainty onto...

Standard representative-agent models fail to account for the weak correlation between stock returns and measurable fundamentals, such as consumption and output growth. This failing, which underlies virtually all modern asset-pricing puzzles, arises because these models load all uncertainty onto...

Carry trades, in which an investor borrows a low interest rate currency and lends a high interest rate currency, have been profitable historically. The risk exposure of carry traders might explain their high returns, but conventional models of risk do not work because traditional risk factors,...