Showing 1 - 10 of 34
Model uncertainty remains a persistent concern when exploring the drivers of civil conflict and civil war. Considering a comprehensive set of 34 potential determinants in 175 post-Cold-War countries (covering 98.2% of the world population), we employ stochastic search variable selection (SSVS)...
Persistent link: https://www.econbiz.de/10012827352
Food price elasticities (PE) are essential for evaluating impacts of food pricing interventions. Existing econometric estimates of food PEs are often poor, being based on single observational data sets without much variation in prices and failing to utilise prior information. In order to provide...
Persistent link: https://www.econbiz.de/10012910900
We introduce a Bayesian instrumental variable procedure with spatial random effects that handles endogeneity, and spatial dependence with unobserved heterogeneity. We take into account the endogeneity through a system of simultaneous equations where a conditional correlation between the...
Persistent link: https://www.econbiz.de/10013024447
In this paper we analyze the effect of four possible alternatives regarding the prior distributions in a linear model with autoregressive errors to predict piped water consumption: Normal-Gamma, Normal-Scaled Beta two, Studentized-Gamma and Student's t-Scaled Beta two. We show the effects of...
Persistent link: https://www.econbiz.de/10013047586
This paper establishes the consequences of a wrong specification on the quality of the data envelopment analysis. Specifically, the case of omitting a relevant variable in the input oriented problem is analyzed when there are different correlation structures between the inputs. It is established...
Persistent link: https://www.econbiz.de/10013049581
Spanish Abstract: Este documento presenta un cálculo del Costo de uso del capital para Colombia en el periodo 1990-2007. Seguidamente, contrasta este cálculo con la dinámica de la inversión en el mismo periodo. Se encuentra que la relación entre inversión y costo de uso es muy estrecha, y...
Persistent link: https://www.econbiz.de/10013049585
Spanish Abstract: En este artículo se enseñan los resultados de las diversas elasticidades del trabajo calificado, el trabajo no calificado y el capital que se obtienen asumiendo una función de producción agregada translogarítmica para la economía colombiana. En general se encuentra que el...
Persistent link: https://www.econbiz.de/10013049586
Spanish Abstract: Este artículo analiza diversas metodologías para la modelación de la volatilidad de la tasa de interés a corto plazo. Específicamente se analizarán los resultados que se obtienen a través de la especificación CKLS, Heterocedasticidad Condicionada y Mixta. Los hechos...
Persistent link: https://www.econbiz.de/10013049619
Spanish Abstract: El objetivo de este artículo es identificar determinantes que llevan a los individuos a tomar la decisión de ser empresarios en Medellín AM en 2009. Mediante modelos Logit y Probit Multinomial, y Logit Binario secuencial, se estima la probabilidad de que una persona tome la...
Persistent link: https://www.econbiz.de/10014037490
This paper uses count and binary data models with endogenous switching, and propensity score matching to evaluate the effect of the subsidized health care program in Medellin (Colombia). The subsidized program, which primarily covers poor people, is found to have a negative association with the...
Persistent link: https://www.econbiz.de/10014162346