This paper raises concerns about the econometric approach used in the literature to estimate credit unions’ production technologies. We show that the existing studies did not recognize heterogeneity amongst credit unions’ technologies as captured by (endogenously selected) differing output...

This paper presents new nonparametric measures of scale economies and TFP growth for U.S. banks. Unlike previous studies that use fully nonparametric models, our approach controls for time-invariant unobserved heterogeneity among banks in estimating returns to scale, TFP growth and its...

This paper presents new evidence regarding the relation between profit, revenue, and cost efficiencies of U.S. commercial banks. Building on the widely used nonstandard profit function (NSPF) approach, we show (i) why estimation of NSPF would be wrong and (ii) how revenue and cost efficiencies...

Desde el seminal artículo de Solow (1957), la productividad ha sido un tema recurrente en la literatura económica. La forma elegante como dicho artículo torna aprehensible un concepto de otra manera difuso, ha alentado numerosas investigaciones y ha propiciado esfuerzos conducentes a hacer...

This study analyses the effects of innovation on employment in Colombian firms for the man- ufacturing and service sectors in two different periods: 2007-2010 for the manufacturing industry, and 2010-2011 for the service industry. Based on the theoretical framework proposed by Harri- son et...

Abstract: Homer clearly expressed the economic problem of choosing the best option among several alternatives given a certain set of restrictions. In the Odyssey he specifically wrote about the minimum cost choice. This kind of problem, as is well known, is at the heart of the neoclassical...

This study analyzes the economic returns to schooling decisions made by high school graduates in Colombia. We wanted to verify if the economic returns (wages) obtained by newly postsecondary education graduates compensate the economic and psychological investment they made in order to get that...

This paper identifies matches on the male and female professional tennis tours in which one player faces a high payoff from being “on the bubble” of direct entry into one of the lucrative Grand Slam tournaments, while their opposition does not. Analyzing over 378,000 matches provides strong...

Resumen: The theme of this essay is one of the most important addressed by economists, at least since Adam Smith, and one that will always attract attention. And in our case, that of economists who have witnessed a country and a time whose rates of increase in GDP per capita have gone in about...

Antipoverty programmes have been successful in helping millions of people afford better livelihoods. While this is well known, little research has yet been conducted that examines the power of such programmes to influence outcomes in times of conflict, especially in countries where antipoverty...