Activists around the world seek to expose a global system that fails to tax multinationals adequately and thus deprives governments of needed revenues, with profound effects for development in the world's poorest nations. These tax activists have sparked a global movement, with groups all over...

The major greenhouse gases, CO2 and CH4, are uniformly mixing, but spatial inequalities in emissions do matter in terms of both efficiency and equity of environmental policy formation and implementation. As the recent evidence has mainly focused on convergence issues between countries, this...