Many studies compare household balances in tax-deferred retirement accounts such as 401(k) plans with financial assets held outside these accounts, but these different asset components are not directly comparable. Taxes and in some cases penalties are due when assets are withdrawn from some...

In classical macroeconomic models with flexible wages and prices,whether a tax is levied on producers or consumers does not affect its incidence. However, if wages or prices are rigid in the short run, as they are in Keynesian macroeconomic models, then shifting a tax from one side ofthe market...