In Merton (1987), idiosyncratic risk is priced in equilibrium as a consequence of incomplete diversification. We modify his model to allow the degree of diversification to vary with average idiosyncratic volatility. This simple recognition results in a state-dependent idiosyncratic risk premium...

In Merton (1987), idiosyncratic risk is priced in equilibrium as a consequence of incomplete diversification. We modify this model to allow the degree of diversification to vary with average idiosyncratic volatility. This simple recognition results in a state-dependent idiosyncratic risk premium...

We explore monetary policy in a world without fractional reserve banking. In our world, banks are purely transaction institutions. Money is a form of government debt that bears interest, which can be negative as well as positive. Services of money are a factor of production. We show that the...

We explore monetary policy in a world without fractional reserve banking. In our world, banks are purely transaction institutions. Money is a form of government debt that bears interest, which can be negative as well as positive. Services of money are a factor of production. We show that the...