Reaching net-zero emissions by 2050 requires unprecedented scaling up in the global deployment of critical decarbonization technologies, such as solar photovoltaics, wind turbines, and electric vehicles. This challenge is currently rife with both risks and rewards: while securing an adequate...

Renewable natural capital — terrestrial and marine ecosystems, fisheries, biodiversity, and groundwater — is in decline around the world affecting livelihoods of millions of people. Natural capital market design uses economic theory and analysis to develop practical solutions for...

Anthropogenic climate change poses a threat to all people and governments, but the response to that threat varies enormously across countries. Some adopt politically costly and economically challenging climate change mitigation policies, while others deny that climate change is occurring. Why do...

Effective risk control must make a tradeoff between the microprudential risk of exogenous shocks to individual institutions and the macroprudential risks caused by their systemic interactions. We investigate a simple dynamical model for understanding this tradeoff, consisting of a bank with a...