1. D. Alfaro, A. Salazar, and C. Troncoso . "Los precios de exportacion de la carne vacuna: un analisis de su relacion a largo plazo ."Serie Documentos de Trabajo DT10/03, Montevideo, Uruguay, Instituto de Economia, Universidad de la Republica, 2003 .
2. S. Cecchetti, N. Mark, and R. Sonora . "Price Level Convergence among U.S. Cities: Lessons for the European Central Bank ."Working Paper 32, Wien, Austria, Oesterreichische National Bank, 1998 .
3. How integrated are world beef markets? The case of Australian and U.S. beef markets
4. Influence of trade policies on price integration in the world beef market,
5. G. Gaulier, and S. Haller . "The Convergence of Automobile Prices in the European Union: An Empirical Analysis for the Period 1993-9 ."Working paper no. 00-14, Centre D'Etudes Prospectives ET D'Informations Internationales,CEPII, France. 2000 .