This paper tests the hypothesis that traders have rational expeatations and charge no risk premium in the forward exchange market. It uses a statistical procedure which is consistent under a large class of heteroscedasticity, and a set of data which takes into account the institutional features...

We solve an optimal land sale problem for a mayor who sells public land and uses the land sale revenue to finance infrastructure. Over an infinite horizon the mayor chooses land sale and infrastructure in each period to maximize the market value of the city net of the spending on infrastructure....