Using semi-parametric and non-parametric estimation techniques, we infer cost distributions and informational rents from 457 bids for snow removal contracts offered for tender by the City of Montreal between 1990 and 1998. Bids and costs have decreased over the sample period, while rents...

In this paper, the authors provide some missing elements to the theory of the regulated firm and discuss implications for econometric specification. Particular attention is paid to situations where capital is quasi-fixed under rate-of-return regulation, which may lead to serious specification...

The authors explain why comparing the total factor productivities o f extractive and nonextractive sectors is likely to be misleading. They then propose a correction and implement it for the case of asbestos, where it turns out to make a significant difference.