The literature predicts that the average skill level and productivity are higher in larger cities. Prior studies use workers' wage or education differentials to indirectly link city size and output. This article relates city size and productivity directly, using performance data of U.S. equity...

This paper studies the ability of long-run risk models to explain out-of-sample asset returns during 1931–2009. The long-run risk models perform relatively well on the momentum effect.

This paper evaluates the ability of bond funds to "market time" nine common factors related to bond markets. Timing ability generates nonlinearity in fund returns as a function of common factors, but there are several non-timing-related sources of nonlinearity. Controlling for the...