This paper examines the risk aspects of an investment-based defined contribution Social Security plan. We focus on the … risk after the plan is fully phased in. Individuals deposit a fraction of wages to a Personal Retirement Account (PRA … cushion' that protects the individual from the risk of an unacceptably low level of benefits. For example, PRA deposits of 6 …

shocks to aggregate uncertainty, I introduce a small, time-varying risk of economic disaster in a standard real business … risk of disaster does not affect the path of macroeconomic aggregates - a "separation theorem" between macroeconomic … variation in risk premia over time, are observationally equivalent to preference shocks. An increase in the perceived …

I characterize a dynamic economy under general distributions of households' risk tolerance, endowments, and beliefs … consumption-share increases; (b) the wealth-share of high risk-tolerant households increases; (c) richer households' wealth … display a higher CAPM beta; and (d) households' portfolios change qualitatively. A log-utility investor for instance borrows …

explain a set of behavioral anomalies identified across four distinct domains of decision-making: choice under risk, choice … risk and ambiguity, belief updating, and survey expectations. Our framework makes predictions that we test using exogenous …

We develop an integrated theory of investment, seasoned equity offerings (SEOs), liquidation, and corporate savings …