This article analyses the technical efficiency of coffee production in Nicaragua. We apply a stochastic frontier model to estimate the technical efficiency which reaches 60%; this means that Nicaraguan coffee producers have chances to improve the way they get things done. This level of...

It is known that, when in the linear regression model there is a high degree of multicollinearity, the results obtained by using the Ordinary Least Squares (OLS) method are unstable. As a solution to this situation, in this paper we present the raised method, the ridge method and the orthogonal...

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...

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...

It is known that, when in the linear regression model there is a high degree of multicollinearity, the results obtained by using the Ordinary Least Squares (OLS) method are unstable. As a solution to this situation, in this paper we present the raised method, the ridge method and the orthogonal...

The purpose of this paper is to analyze the multilevel methodology in order to estimate the effect of primary care physician in the pharmaceutical expenditure of the patient. We use individual data from population that is part of the Spanish public health system in the Autonomous Community of...

The economic literature that studies the salary gaps between men and women produced by children. However, there may also be wage gaps between women with children and women without children, which is known as a motherhood wage penalty and whose study for countries such as Bolivia is scarce....

This paper documents recent trends of the labor supply in the Dominican Republic, and inquire about factor explaining its behavior. Entails an empirical analysis of labor supply phenomena both from a point of view of participation rate and the hours dedicated to labor market. Using information...

En este trabajo se analizan los cambios en la desigualdad producidos durante el período 1998-2005. Se presenta un conjunto de resultados que pueden contribuir a entender mejor los cambios en la desigualdad. Los resultados obtenidos muestran que la desigualdad distributiva observada entre ambos...