turns out to decrease ex-ante individual welfare, unless restrictions are assumed on retirement behavior. Overall, risk … shown to yield a slight ex-ante welfare improvement from a purely risk-insurance perspective. This relative gain stems from … risk diversification across working-life wages in computing benefits. -- social security reforms ; uncertainty ; risk …

This paper explores the introduction of collective risk-sharing elements in defined contri-bution pension contracts. We … consider status-contingent, age-contingent and asset contingent risk-sharing arrangements. All arrangements raise aggregate … cohorts, but comes at the cost of a reduction in aggregate welfare due to efficiency losses. -- funded pensions ; risk …

We argue that since there are several impediments to international risk sharing, the welfare gains from full … international risk sharing, which have been the object of analysis in the previous literature, are not suggestive. Instead, we study … the gains from feasible risk sharing and find that they are considerable (0:5% increase inpermanent consumption). Marginal …

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 …

Recent interest in "Risk Management"has highlighted the relevance of Bayesian analysis for robust monetary …