Comments on "Volatility, the Macroeconomy and Asset Prices
Comments on "Volatility, the Macroeconomy and Asset Prices, by Ravi Bansal, Dana Kiku, Ivan Shaliastovich, and Amir Yaron, and “An Intertemporal CAPM with Stochastic Volatility” by John Y. Campbell, Stefano Giglio, Christopher Polk, and Robert Turley. Also slides. April 13 2012 Comments presented at the spring NBER asset pricing meeting. I took the opportunity to offer a sceptical apparisal of long-run risks, and whether stochastic volatilty really works as a state variable, especially in the long run.