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Idiosyncratic Risk, Aggregate Risk, and the Welfare Effects of Social Security
We ask whether a pay-as-you-go financed social security system is welfare improving in an economy with idiosyncratic productivity and aggregate business cycle risk. We show analytically that the whole welfare benefit from ...
The Impact of Biases in Survival Beliefs on Savings Behavior
"On average young people ""undersave"" whereas old people ""oversave"" with respect to the rational expectations model of life-cycle consumption and savings. According to numerous studies on subjective survival beliefs, ...