Allocations of tradable greenhouse gases (GHG) emission quotas among countries may take place according to several sharing rules corresponding to a certain perception of equity. For instance, allocating quotas in direct proportion to population, in inverse relation to GDP or according to past...

In this paper the reaction of firms to the introduction of environmental charges in a given industry is analysed. Firms may decide either to relocate their plants abroad or to adopt a new environmental-friendly technology. The latter can be either developed by investing in R&D or obtained by...