In the last decade, voluntary efforts by firms to reduce their environmental impacts have received increasing attention from both policymakers and scholars. This article discusses polluters' incentives to reduce their releases. In particular, using data from Canada's National Pollutant Release...

The most effective policy to address environmental externalities from vehicular fuel use is an appropriate fuel tax. Instead of raising fuel taxes, Canada's provincial and federal governments prefer to subsidize the purchase of fuel-efficient vehicles and the accelerated retirement of old...