In this paper, we characterize and study the efficiency of a representative set of firms in the leather and footwear sector in Bogotá, Bucaramanga, Cúcuta and the Metropolitan Area of Medellin. This study is based on a survey addressing multiple aspects of production in this industry (inputs,...

El presente trabajo explora las causas de la deforestación y la pérdida de biodiversidad en Guatemala. El documento se divide en cuatro partes. En la primera, se presenta una generalización sobre la deforestación en Guatemala entre 1950-2000. Así mismo se explora la relación entre...

We estimate a supply and demand model of private college education services in Mexico for the 2005-2019 period, in order to identify the factors that influenced the dynamics of their equilibrium prices. The model is estimated with two- and three-stage least squares using panel data at the state...

Qualitative scales formed by linguistic terms are used by different disciplines to determine preferences and different aspects of individuals' lives. Although it is usual to assign numbers to the response categories of scales, it is not suitable when individuals perceive different proximities...

We determine a relationship between high quality wines and its drivers. We answer the questions: What variables explain high-quality wine prices? How do certain factors (highly, slightly or scarcely) under control of the suppliers, influence prices? To respond, we build a database with thirteen...

We determine a relationship between high quality wines and its drivers. We answer the questions: What variables explain high-quality wine prices? How do certain factors (highly, slightly or scarcely) under control of the suppliers, influence prices? To respond, we build a database with thirteen...

Poverty, Deforestation and Biodiversity Loss in Guatemala. This paper explores the causes of deforestation and biodiversity loss in Guatemala and is organized into 4 parts. First, an overview about deforestation in Guatemala from 1950-2000 is provided, and the relationship between deforestation...

Spanish Abstract: El presente trabajo muestra de manera accesible y breve el tema del incumplimiento de los supuestos del modelo clásico de regresión: Multicolinealidad y Heteroscedasticidad. Se presentan alternativas de detección y corrección. Al igual que en la nota anterior, se ha puesto...

Spanish Abstract: El presente trabajo muestra de manera accesible y breve, el desarrollo teórico del análisis de regresión simple y múltiple. Se ha puesto especial interés en las salidas o “corridas” en los programas Eviews y Stata

Spanish Abstract: En este trabajo se analizan los seis más importantes mercados accionarios Latinoamericanos, desde sus rendimientos históricos, con el fin de explorar los riesgos compartidos que afectan su diversificación. Para ello se investigaron las cotizaciones de las 15 acciones más...