In most macroeconomic models, the substitutability between domestic and foreign goods is calibrated using aggregated data. This imposes homogeneous elasticities across goods, and the calibration is only valid under this assumption. If elasticities are heterogeneous, the aggregate...

This paper examines the effect of counterfeit goods in a world where consumers are differentiated by level of income and innovation is quality enhancing. Counterfeit goods are defined as products with the same characteristics as “originals”, but of lower quality. The effect of imitation on...

This paper examines the effects of trade costs on macroeconomic volatility. We first construct a dynamic, two-country general equilibrium model, where the degree of market integration depends directly on trade costs (transport costs, tariffs, etc.). The model is a extension of Obstfeld and...

We account for the appreciation of the real exchange rate in Mexico between 1988 and 2002 using a two sector dynamic general equilibrium model of a small open economy with two driving forces: (i) differential productivity growth across sectors and (ii) a decline in the cost of borrowing in...

The paper models export taxation of a primary commodity in a large country under two hypotheses about the structure of its export market. The first is perfect competition among exporters, where there is an indefinite number of buyers of the local product and at least a partial pass-through of...

Trade liberalization leads to long-run gains, but it can also involve costly short-run macroeconomic adjustment. The paper explores the relative importance of these effects within a dynamic general equilibrium model that captures key elements of both international trade and macroeconomic models....

This paper discusses 2013 Article IV Consultation highlights slower economic performance and financial risks in Botswana. The output growth is expected to remain broadly unchanged in 2013 as strong nonmining sector growth would offset the subdued mining output. Banks’ high exposure to...

This paper focuses on two central issues related to the contrasting experiences of Malaysia and Pakistan regarding poverty reduction. First, it examines the structure of economic growth and its proximate determinants in the two countries, including the initial conditions, institutional changes,...

China’s transformation into a dynamic private-sector-led economy and its integration into the world economy have been among the most dramatic global economic developments of recent decades. This paper provides an overview of some of the key aspects of recent developments in China’s...

Central America has received growing attention as a region that is integrating successfully into the global economy. This paper examines—among other things—the macroeconomic and fiscal implications of the Free Trade Agreement with the United States (CAFTA-DR), noting that the...