We examine asset prices in a representative-agent model of general equilibrium. Assuming only that individuals are risk … averse, we determine conditions on the changes in asset risk that are both necessary and sufficient for the asset price to … incomplete in the sense of containing an uninsurable background risk, such as a risk on labor income. We extend our model to show …

The argument that policy risk, i.e., uncertainty about monetary and fiscal policy, has been holding back the economic … recovery in the U.S. during the Great Recession has a large popular appeal. We analyze the role of policy risk in explaining … business cycle fluctuations by using an estimated New Keynesian model featuring policy risk as well as uncertainty about …

boom yields consistently positive excess returns. This excess return compensates for the risk of high negative returns in … countries on risk aversion, and low (high) risk aversion currencies depreciate (appreciate) in times of global turmoil. …