We study the role of time-varying stock return volatility in a consumption and portfolio choice problem for a life-cycle investor facing short-selling and borrowing constraints. Faced with a benchmark investment strategy that conditions on age and wealth only, we find that an investor is willing...

We show empirically that negative stock market returns are significantly more painful to investors when they occur in periods of low volatility, which is reflected in a steeper pricing kernel. In contrast, popular asset pricing theories imply that the pricing of stock market risk does not vary...