Economists often regard broad-based carbon pricing (whether in the form of a carbon tax or cap and trade) as the most efficient policy to reduce carbon dioxide emissions. Relative to a narrower policy that exempts some emissions sources, a broader policy is often favored because it can exploit...

China is believed to have the world's largest exploitable reserves of shale gas, although several legal, regulatory, environmental, and investment-related issues will likely restrain its exploitation. China's capacity to face these hurdles successfully and produce commercial shale gas will have...

Momentum may be building for federal climate change policy in the United States. Assuming this leads to mandatory greenhouse gas regulations, the door will be open for the United States to constructively re-engage other countries concerning an international climate regime. Such a regime will...

Global warming, sea level rise, and extreme weather events have made climate change a top priority for policymakers across the globe. But which policies are best suited to tackle the enormous challenges presented by our changing climate? This Article proposes that policymakers turn to prediction...

There are many reasons to suspect that benefit-cost analysis applied to environmental policies will result in policy decisions that will reject those environmental policies. The important question, of course, is whether those rejections are based on proper science. The present paper explores...

Despite President Obama's current interest in climate policy, market-based climate policy on the US federal level still appears to be deadlocked. The same is true for Canada, which has aligned its climate policy to the US. However, regional activities are more promising as British Columbia and...

This paper surveys the literature on group selection. I describe the early contributions and the group selection controversy. I also describe the main approaches to group selection in the recent literature; fixation, assortative group formation, and reproductive externalities. -- Altruism ; spite...

This testimony makes three main points. First, inheritances tend to exacerbate existing economic disparities and may be the most important barrier to intergenerational economic mobility. These tendencies are most pronounced at the top of the income distribution. While inherited income is...