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...

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...

In the past 30 years, the historiography of colonial Pampean agriculture showed a radical change. The “Bonaerense Campaign”, which was thought extensively devoted to cattle, was recently named one of the most important grain-producing regions of the Spanish Empire. This new hermeneutics of...

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...

Following the approach proposed by Gabaix (2011), this paper aims to assess the existence of granularity in the business cycle fluctuations of the following Spanish regions: the Community of Madrid, Catalonia, the Basque Country and the Valencian Community. Granular firms are those that...

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...

Changes in quality in information technology products provoke that compilation of their price indexes represent a major challenge. In this respect, the aims of this study are three. First, to build price indexes for personal computers during 1990-2004. Second, to compare our price indexes with...

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,...

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...