Neoclassical economics assumes that provision for the future is simply a matter of the will to save enough of one’s current income. However, saving requires the availability of a secure instrument. Historically, the availability of such instruments has always been a problem. The social...

Why did the real interest rate decline and the equity premium increase over the last 30 years? This paper assesses the role of uncertainty and credit market frictions. We quantify a model with heterogeneous households using data on asset prices and macro aggregates, as well as on households'...