%0 Journal Article %T Vulnerabilidad del mercado nacional de ma¨ªz (Zea mays L.) ante cambios ex¨®genos internacionales %A Gonz¨¢lez-Rojas %A Karina %A Garc¨ªa-Salazar %A Jos¨¦ A. %A Matus-Gardea %A Jaime A. %A Mart¨ªnez-Salda£¿a %A Tom¨¢s %J Agrociencia %D 2011 %I Colegio de Postgraduados %X the increase in imports of corn (zea mays l.), the trade liberalization and the global energy crisis put in a vulnerable situation the domestic market of the grain. to measure the effects that global exogenous changes have on the corn market in m¨¦xico, an armington model was formulated for the period 2004/2006. analysis of the results indicates that a 10 % reduction in the corn planted acres in the u.s. would increase the import price in m¨¦xico by 8.7 % compared to those observed in 2004/2006. a 10 % increase in oil prices would increase world demand for corn, raising the price by 20.4 %. application of policies that protect the domestic market is recommended; for example, policies to increase yields of corn in m¨¦xico by 15 % would reduce imports in 1493 thousands t and save $2282 million pesos in foreign exchange. %K global supply and demand %K imports %K prices %K armington model. %U http://www.scielo.org.mx/scielo.php?script=sci_abstract&pid=S1405-31952011000600008&lng=en&nrm=iso&tlng=en