Using a general-equilibrium model of world trade, this paper evaluates the benefits of most-favored-nation (MFN) treatment to developing countries in multilateral relative to bilateral or regional trade agreements, from three sources. First, developing countries may be able to free-ride on...

We evaluate the possibilities for a new World Environmental Organisation (WEO), with our discussion motivated both by recent calls for such an organisation in light of WTO trade and environment conflicts and the relative absence of internalisation of global externalities. We propose an...

We discuss the use of calibration techniques in economic models. Calibration contrasts with estimation in relying on deterministic calculation of model parameter values consistent with data, rather than econometric estimation. The reasons why calibrators use these methods, as well as the main...