Juan Vargas

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ACKNOWLEDGEMENTS The Channel Islands Golden Eagle Translocation Project has been successful over the past five years due to the efforts of many people from several different agencies and groups many of whom have made the preservation and recovery of the island fox a priority in their personal and professional lives. These people deserve our thanks and(More)
We compare the treatment of Colombia in large cross-country conflict datasets with the information of the detailed micro dataset of Restrepo, Spagat and Vargas (2003). We find a general tendency of the big datasets to underestimate the magnitude of the Colombian conflict and to mischaracterize its dynamics. We suggest that conflict researchers should(More)
OBJECTIVE The Non-pneumatic Antishock Garment (NASG) is a compression device that has shown significantly decreased blood loss in cases of obstetric hemorrhage. However, there are no physiologic studies of the NASG in postpartum women. This study used Doppler ultrasound to measure the resistive index (RI) in the internal iliac artery, thus approximating(More)
A subcostal transversus abdominis plane (TAP) phenol injection was performed on a patient with refractory cancer pain due a metastatic involvement of the abdominal wall. A diagnostic block with local anesthetic was performed under ultrasound guidance (USG), resulting in a decrease of 80% and 100% in dynamic and static visual analog scale (VAS) for pain,(More)
– Optimal operation of a country's air transport infrastructure plays a major role in the economic development of nations. Due to the increasing use of air transportation in today's world, flights' boarding times have become a concern for both airlines and airports, thus the importance of knowing beforehand how changes in flights demand parameters and(More)
We carried out a randomized controlled trial in Bogotá, the recipient of Colombia's highest number of internally displaced people (IDP), to assess whether the use of SMS to communicate eligibility to social benefits fosters the welfare of victimized internal refugees. Only a fraction of IDP are eligible to benefits. We inform eligibility via SMS to a random(More)
The growing empirical literature on the analysis of civil war has recently included the study of conflict duration at the crosscountry level. This paper presents, for the first time, a within-country analysis of the determinants of violence duration. I focus on the experience of the Colombian armed conflict. While the conflict has been active for about five(More)