We investigate confidence intervals and inference for the instrumental variables model with weak instruments. Wald-based confidence intervals for a structural parameter perform poorly in that the probability they reject the null is far greater than their nominal size. We show that the preactice...

We analyze the effects of consumption and production externalities on the long-run rate of capital accumulation. We show that the importance of consumption externalities depends upon whether or not labor supply is fixed. In the case that it is fixed, they have no long-run effects. Whether they...

More than thirty years ago Milton Friedman proposed a 'plucking' model of business fluctuations in which output cannot exceed a ceiling level, but will, from time to time, be plucked downward by recession. The model implied that business fluctuations are asymmetric, that recessions have only a...

Using the future residence of home sellers, we compare a seller who will relocate to another state and thus will likely not provide referrals with a seller who remains in the state and thus might bring referrals. We find that moving-out-of-state sellers' residences take more days to sell than...