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...

Pakistan undertook major financial sector reforms starting in the late 1980s. The effects of these reforms on the profitability and cost and revenue efficiency of the banking sector are evaluated. The revenue performance of all banks, and especially the privatized banks, improved significantly,...

This is the fourth of a series of papers that are being written as part of a larger project to estimate a small quarterly Global Projection Model (GPM). The GPM project is designed to improve the toolkit to which economists have access for studying both own-country and cross-country linkages. In...