Governments contracting with private agents for the provision of an impure public good must contend with agents who would potentially supply the good absent any payments. This additionality problem is centrally important in the use of carbon offsets as part of climate change mitigation....

Laboratory and field experiments have grown significantly in prominence over the past decade. The experimental method provides randomization in key variables therefore permitting a deeper understanding of important economic phenomena. This path-breaking volume provides a valuable collection of...

Many analysts believe that natural gas will have an increasingly important role in the next few decades. Accordingly, understanding the underpinnings of natural gas prices is likely to be critical, both to policy analysts and to market participants. At present, it is common to assume that these...

We analyze data from experimental duopoly markets to assess the role information plays in facilitating collusion. In these markets, profitability can be common knowledge or private information. Market outputs are estimated in structures with symmetric and asymmetric costs under the two...

Using airline-booking data from Sabre, this article documents the proportion of passengers who drive and fly from a hub airport, rather than take a commuter flight. If fewer passengers leaked to a hub, community airports would have more enplanements. Price and quality factors affecting leaks are...

Persistent and significant privately held stockpiles of minerals have long been an important empirical regularity in the United States. Such stockpiles would not rationally be held in a traditional Hotelling-style model, though firms could be willing to hold inventories if extraction costs are...