Grossman, Gene; Helpman, Elhanan; Fajgelbaum, Pablo D. - National Bureau of Economic Research (NBER) - 2009
studying the welfare consequences of trade, transport costs, and trade policy for different income groups in an economy. …We develop a framework for studying trade in vertically and horizontally differentiated products. In our model … model to study the pattern of trade between countries that differ in size and income distributions but are otherwise …