In response to the potential threat of global warming many countries are considering cost effective policies to reduce greenhouse gas emissions. In this context much attention has been paid to taxes levied on the carbon content of fuels (carbon taxes), since they are a potentially efficient...

Using data on syndicated loans, we find that the introduction of a carbon tax is associated with an increase in domestic banks' lending to coal, oil, and gas companies in foreign countries. This effect is particularly pronounced for banks with large prior fossil-lending exposures, suggesting a...