We note that calibration parameters in a multi-country Armington trade model play a role similar to that of econometric residuals: they allow the model to fit the data exactly. We use this premise to evaluate the "fit" of a standard multi-country computable general-equilibrium model. We find...

We note that calibration parameters in a multi-country Armington trade model play a role similar to that of econometric residuals: they allow the data to fit the model exactly. We use this premise to evaluate the 'fit' of a standard multi-country computable general equilibrium (CGE) model. We...

Primary commodities are used as inputs into all production processes, yet they account for approximately 16 percent of world trade. Despite their share in trade, we show that the aggregate gains from trade are largely understated if we ignore key features of commodities: low price elasticities...

Primary commodities are used as inputs into all production processes, yet they account for approximately 16 percent of world trade. Despite their share in trade, we show that the aggregate gains from trade are largely understated if we ignore key features of commodities: low price elasticities...