Estrella Gomez-Herrera: current contact information and listing of economic research of Working Papers 1709, Department of Applied Economics II, Universidad de Valencia. Gravity models of bilateral trade," Empirical Economics, Springer, vol. 124(1), pages 140-142. Gabriel M. Ahlfeldt & Nicolai Wendland, 2015. Compralo en Mercado Libre a $ 3.228,00 - Compr