This paper deals with firms' decision related to international activities in a twocountry oligopoly model with a homogeneous product and unionized labor markets. Using a three-stage non-cooperative game with firms being first movers, it is found that firms' strategies are affected by the scale...

Despite widespread awareness of the detrimental impact of CO2 pollution on the world climate, countries vary widely in how they design and enforce environmental laws. Using novel microdata about multinational firms’ CO2 emissions across countries, we document that firms headquartered in...