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...

Anglophone African countries have been implementing reform and modernization initiatives in their Customs administrations. This paper outlines the progression of key reform and modernization initiatives in these countries since the early 1990s, and assesses the gap between these reforms and...

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 study examines the determinants of entry into by foreign firms, using information on 515 Chinese industries at the provincial level during 1998-2001. The analysis, rooted in the new economic geography, focuses on market and supplier access within and outside the province of entry, as well...

This Selected Issues paper analyzes whether cyclical factors, including the large real exchange rate appreciation in recent years in New Zealand, can account for the rapidity of the recent rise in import penetration, or whether more lasting structural changes, such as the effects of...

This paper discusses a request from Congo for the Rapid-Access Component of the Exogenous Shocks Facility. Performance on the 2008 staff-monitored program was mixed, complicated by the effects of the exogenous shock. Although weaknesses remain, the authorities strengthened public financial...

We introduce non-tradable goods to the Heckscher-Ohlin-Samuelson (HOS) model to study the distributive effects of terms of trade shocks. We show that the employment of resources in activities producing exclusively for the local market induces a crucial association between domestic spending and...

Spain has experienced income convergence consistently in the past decade, despite gradual losses in competitiveness. The empirical evidence indicates that overall EU enlargement offers a range of opportunities for Spain, points to potential pressures in specific sectors, and offers challenges,...