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- Faculty Publications (86)
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- All HBS Web (197)
- Faculty Publications (86)
- 2021
- Working Paper
The Luck of the Draw: The Causal Effect of Physicians on Birth Outcomes
By: Arlen Guarin, Christian Posso, Estefania Saravia and Jorge Tamayo
Identifying the effect of physicians’ skills on health outcomes is a challenging task due to the nonrandom sorting between physicians and hospitals. We overcome this challenge by exploiting a Colombian government program that randomly assigned 2,126 physicians to 618... View Details
Keywords: Physicians' Health Skills; Health Birth Outcomes; Birthing Outcomes; Experimental Evidence; Health Care and Treatment; Competency and Skills; Outcome or Result; Health Industry; Colombia
Guarin, Arlen, Christian Posso, Estefania Saravia, and Jorge Tamayo. "The Luck of the Draw: The Causal Effect of Physicians on Birth Outcomes." Harvard Business School Working Paper, No. 22-015, February 2021. (R&R American Economic Journal.)
- 25 Apr 2012
- Other Presentation
Regional Competitiveness and the Role of Business
Regional competitiveness and CSV presentation at Expogestión, Baranquilla View Details
Porter, Michael E. "Regional Competitiveness and the Role of Business." Expogestión, Barranquilla, Colombia, April 25, 2012.
- September 2009 (Revised August 2013)
- Case
Colombia: Organizing for Competitiveness
By: Jorge Ramirez-Vallejo and Michael E. Porter
The case is designed to explore the process of building competitiveness, particularly in an unstable environment, with a focus on organizing for competitiveness. View Details
Ramirez-Vallejo, Jorge, and Michael E. Porter. "Colombia: Organizing for Competitiveness." Harvard Business School Case 710-417, September 2009. (Revised August 2013.)
- Video
Jorge Cárdenas Gutiérrez
Jorge Cárdenas Gutiérrez, former General Manager of the FNC, outlines the factors which led to the end of the International Coffee Agreement in 1989. View Details
- 21 Jan 2021
- Video
José Alejandro Cortés
José Alejandro Cortés, President of the Colombia-based diversified business group Grupo Bolìvar, discusses how the economic crisis that hit Latin America in the 1990s impacted his business. He discusses how he handled it by selling the bank in Venezuela to provide... View Details
- 09 Jul 2020
- Video
Sylvia Escovar
Sylvia Escovar, the President of the Colombia-based oil and gas distribution company Terpel, discusses the challenges she faced as a female executive, and how gender diversity is a huge asset for companies. View Details
- 31 Oct 2019
- Video
María Emilia Correa
María Emilia Correa, co-founder of Sistema B, a Latin American organization promoting B Corporations and sustainability, discusses the importance of gender diversity on corporate boards and... View Details
- 30 Oct 2019
- Video
María Emilia Correa
María Emilia Correa, co-founder of Sistema B, a Latin American organization promoting B Corporations and sustainability, discusses the impact of attending the Earth Summit in Rio de Janeiro in 1992 on her... View Details
- Video
Gonzalo Restrepo
Gonzalo Restrepo, former President of the Colombia-based Almacenes Éxito, the largest South American retail company, describes his search for an international partner, which eventually led... View Details
- 19 Nov 2019
- Video
Lilian Simbaqueba
Lilian Simbaqueba, founder of the Colombia-based microfinance company LiSim, explains how her early international efforts, first in Mexico and then in many other locations, were motivated by economic crisis at... View Details
- 01 Nov 2019
- Video
José Alejandro Cortés
José Alejandro Cortés, President of the Colombia-based diversified business group Grupo Bolìvar, discusses the responsibilities of corporations beyond serving shareholders, especially serving the poor and the... View Details
- 01 Mar 2025
- News
Audit: War & Peace
QUESTION: “How did you ensure the talks didn’t fail because of internal strife?” —Alexandra Baranowski (MBA 2025) “I had to handle that with a lot of cold blood and not engage the opposition in every argument. I had to maintain the course, explain why we were doing... View Details
- Profile
Tuce Zengin Van den Eynde
the broad connections of international field work. In her internship, Tuce will work with a Colombian non-profit that connects MBA students with small or start-up companies looking for expert advice. “I was in India in January and am going to Bogota, View Details
- 2025
- Working Paper
New Product Diffusion Within Retailers: The Effect of Managerial Quality on Rollout
By: Tomomichi Amano and Jorge Tamayo
Retailers are key intermediaries through which consumers encounter innovation in the form of new products. How are these products rolled out within retailers? We observe significant variation in the availability of new products across stores in a large retail chain in... View Details
Keywords: Managerial Quality; Firm Performance; Diffusion Of Innovation; New Product Rollout; Retailing; Distribution Channels; Product Launch; Management Skills; Retail Industry; Colombia
Amano, Tomomichi, and Jorge Tamayo. "New Product Diffusion Within Retailers: The Effect of Managerial Quality on Rollout." Harvard Business School Working Paper, No. 25-041, February 2025.
- 14 Sep 2007
- Other Presentation
Colombian Competitiveness: Moving to the Next Level
This presentation draws on ideas from Professor Porter’s books and articles, in particular, “Building the Microeconomic Foundations of Prosperity,” in The Global Competitiveness Report 2005-06 (World Economic Forum, 2005); “Clusters and the New Competitive Agenda for... View Details
Porter, Michael E. "Colombian Competitiveness: Moving to the Next Level." Expogestion, Bogotá, Colombia, September 14, 2007.
- 2021
- Working Paper
Saving for a Dry Day: Coal, Dams, and the Energy Transition
By: Michele Fioretti and Jorge Tamayo
Renewable generation creates a tradeoff between current and future energy production as generators produce energy by releasing previously stored resources. Studying the Colombian market, we find that diversified firms strategically substitute fossil fuels for... View Details
Keywords: Energy Generation; Renewable Energy; Production; Green Technology Industry; Energy Industry; Colombia
Fioretti, Michele, and Jorge Tamayo. "Saving for a Dry Day: Coal, Dams, and the Energy Transition." Harvard Business School Working Paper, No. 22-016, August 2021.