Using firm and industry data, we establish two facts: (i) Uncertainty about demand conditions not only reduces export … regularities by developing a new firmbased trade model wherein managers are risk averse. Higher volatility induces the reallocation … of export shares from the most to the least productive incumbents. Greater skewness of the demand distribution and …

We study the efficiency of private supply of roads under demand uncertainty and evaluate various regulatory policies …. Due to demand uncertainty, capacity is decided before demand is known but tolls can be adjusted after demand is known …. Policy implications can differ considerably from those under deterministic demand. For instance, for serial links, the toll …