Migration movements in the south border of México with Guatemala, has motivated serious social, economic and politic un-stability in both countries. During the last decades of the XX-th century, the sites of the south zone have become in zones with high violence indexes, delinquency and...

Nowadays the sell of bottled water has increased its importance in the majority of the countries of Latin America, important investments of transnational and native capital are being made for its development . This paper presents the results of a study of the market needed by the farmers of the...

This paper considers three ratio estimators of the population mean using known correlation coefficient between the study and auxiliary variables in simple random sample when some sample observations are missing. The suggested estimators are compared with the estimators of Singh and Horn (Metrika...

Los flujos migratorios en la frontera de México con Guatemala, ha provocado desequilibrios de tipo social, económico y político que afecta las relaciones entre estos dos países. En las últimas décadas del siglo XX, los estados de la zona sur han pasado de ser solo regiones ricas en selvas...

Actualmente la comercialización del agua embotellada ha cobrado importancia en la mayoría de países de América latina, realizando fuertes inversiones en su desarrollo tanto el capital transnacional como los capitales nativos. El presente trabajo presenta un estudio de mercado solicitado por...

Nowadays the sell of bottled water has increased its importance in the majority of the countries of Latin America, important investments of transnational and native capital are being made for its development . This paper presents the results of a study of the market needed by the farmers of the...