We estimate a structural model of herding behavior in which feedback arises due to mutual concerns of traders over the unobservable "true" level of market liquidity. In a herding regime, random shocks are exacerbated by endogenous feedback, producing a dampened power-law in the fluctuation of...

The recent US Real Estate Bubble had consequences not only for the real economy but for the stock market as well. Real Estate Investment Trusts' (REITS) prices reached levels which could not be supported by their fundamentals until mid-2007. Using this observation as a starting point we examine...

We present a menu-cost pricing model with a large but finite number n of firms. A firm's nominal price increase lowers other firms' relative prices, thereby inducing further nominal price increases. The distribution of these repricing avalanches converges as n→∞ to a mixture of Generalized...