The determination of local and global positivity (or negativity) of general nonlinear functions plays a fundamental role in several applied mathematical areas. In this work, this subject is addressed by the presentation of a new theorem that allows to determine the sign of a function and...

La presente Investigación indaga vías de acción para el desarrollo económico sustentable del Municipio Heres del estado Bolívar, asiento de un importante número de Universidades, pero dependiente, no obstante, su creciente población económicamente activa, de los recursos manejados por la...

The prickly pear is a product with origin in Latin America and that was led by the conquerors to other continents that were eligible for cultivation. Mexico has the highest diversity and abundance of species (around 80) and prickly pear cultivars worldwide, so it is regarded as a center of...

Undeveloped economies are dealing with very big issues such as low or null economic growth, higher rates of unemployment, high index of migration and millions of people living in extreme poverty. Therefore, the present investigation aims to analyze unemployment, migration and poverty in Mexico;...

The vegetable “nopal†production or “nopalitos†is distinctive on the Mexican diet due to its nurturing and medicinal properties, mainly in Texcoco, State of Mexico; the place in which the research was carried out. In this sense, the investment project was evaluated so as to...

In this essay we estimate six income poverty indexes for period 1990-2000 referred to the state of Chihuahua (México). In the first two sections of this study are justified and explained, in general terms, the methods and indicators used for measuring poverty. In a third section is described,...

This paper intends to present a methodology that foresees anticipated signal of intervention in the foreign exchange market, related to the levels in the nominal exchange rate volatility observed during the Exchange Rate Flotation Scheme in force between February of 2002 and January of 2003. For...