It is generally accepted that decentralized policy choice in the presence of interjurisdictional spillovers is inefficient. Strikingly, Ogawa and Wildasin (2009) find that in a model with heterogenous jurisdictions, interjurisdictional capital flows, and interjurisdictional environmental damage...

Green hydrogen may decarbonize sectors which are difficult to electrify, and the recent Inflation Reduction Act (IRA) provides tax credits to encourage hydrogen production. We analyze a model in which hydrogen produced using electricity replaces natural gas. The electricity may be procured from...