Persistent and significant privately-held stockpiles of crude oil have long been an important empirical regularity in the United States. Such stockpiles would not rationally be held in a traditional Hotelling-style model. How then can the existence of these inventories be explained? In the...

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....

This paper investigates the companies' behavioural response to information-based environmental policies. We perform a panel analysis for 39 big companies in 16 countries, in 3 polluting industries (oil & gas, chemicals, power generation) over a 5- year period (1993-1997) to check whether...