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- All HBS Web (209)
- Faculty Publications (85)
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- October 2023
- Case
Foodology: Creating a Virtual Restaurant Group in Latin America
By: Rembrand M. Koning, Jorge Tamayo and Jenyfeer Martínez Buitrago
In April 2020, Daniela Izquierdo (HBS, 2019) and Juan Guillermo Azuero (HBS, 2019), awaited the results of Harvard Business School’s Alumni New Venture Competition. Operating since September 2019, Foodology, a Colombian food-tech startup in the cloud kitchen segment,... View Details
Keywords: Business Startups; Business Model; Entrepreneurship; Food and Beverage Industry; Latin America; South America; Colombia
Koning, Rembrand M., Jorge Tamayo, and Jenyfeer Martínez Buitrago. "Foodology: Creating a Virtual Restaurant Group in Latin America." Harvard Business School Case 724-392, October 2023.
- April 2020 (Revised January 2022)
- Case
Uber: Competing Globally
By: Alexander J. MacKay, Amram Migdal and John Masko
This case describes Uber’s global market entry strategy and responses by regulators and local competitors. It details Uber’s entry into New York City (New York), Bogotá (Colombia), Delhi (India), Shanghai (China), Accra (Ghana), and London (United Kingdom). In each... View Details
Keywords: Business Ventures; Business Growth and Maturation; Business Model; Geography; Geographic Location; Geographic Scope; Globalization; Global Strategy; Multinational Firms and Management; Globalized Markets and Industries; Governance; Governance Controls; Governing Rules, Regulations, and Reforms; Innovation and Invention; Disruptive Innovation; Innovation Strategy; Law; Management; Growth and Development Strategy; Growth Management; Markets; Demand and Consumers; Consumer Behavior; Network Effects; Emerging Markets; Market Design; Market Entry and Exit; Market Participation; Supply and Industry; Industry Structures; Planning; Strategic Planning; Relationships; Business and Community Relations; Business and Government Relations; Business and Stakeholder Relations; Labor and Management Relations; Networks; Strategy; Adaptation; Business Strategy; Competition; Competitive Advantage; Competitive Strategy; Expansion; Information Technology; Mobile and Wireless Technology; Digital Platforms; Transportation; Transportation Networks; Transportation Industry; Technology Industry; Africa; Ghana; Asia; China; Shanghai Shi; Shanghai; India; New Delhi; Europe; United Kingdom; England; London; Latin America; North and Central America; United States; New York (city, NY); New York (state, US); South America; Colombia
MacKay, Alexander J., Amram Migdal, and John Masko. "Uber: Competing Globally." Harvard Business School Case 720-404, April 2020. (Revised January 2022.)
- December 2022
- Case
Mission Produce in 2022
By: Forest Reinhardt, Jose B. Alvarez and Natalie Kindred
Founded by CEO Steve Barnard in 1983, California-based Mission Produce was a leading supplier of Hass avocados with a global sourcing, marketing, and distribution network and $892 million in 2021 sales. Barnard had been influential in the global avocado trade’s... View Details
Keywords: Agriculture and Agribusiness Industry; Food and Beverage Industry; Retail Industry; Consumer Products Industry; United States; California; Peru; Guatemala; Colombia; Mexico; Chile
Reinhardt, Forest, Jose B. Alvarez, and Natalie Kindred. "Mission Produce in 2022." Harvard Business School Case 723-026, December 2022.
- 07 Jul 2010
- First Look
First Look: July 7
had ended decades of virtual civil war and strengthened the business climate, but he faced tough economic challenges. Though he had instituted prominent market reforms and brought inflation down sharply, Colombia seemed stuck in a middle... View Details
Keywords: Martha Lagace
- 26 Apr 2012
- Other Presentation
Regional Competitiveness and the Role of Business
Regional competitiveness and CSV presentation at "Encuentro de Comisiones Regionales de Competitividad," Bogotá View Details
Porter, Michael E. "Regional Competitiveness and the Role of Business." Encuentro de Comisiones Regionales de Competitividad, Bogotá, Colombia, April 26, 2012.
- 2001
- Casebook
Dos Casos Colombianos de Gerencia Social: La Corporacion de Accion Solidaria Corposol y La Compania de Financiamiento Comercial Finansol
By: James Austin, Enrique Ogliastri and Roberto Gutierrez
Austin, James, Enrique Ogliastri, and Roberto Gutierrez. Dos Casos Colombianos de Gerencia Social: La Corporacion de Accion Solidaria Corposol y La Compania de Financiamiento Comercial Finansol. Vol. 55, Universidad de los Andes, Facultad de Administración Monografías. Universidad de los Andes, Facultad de Administración, 2001, Spanish ed.
- April 2020 (Revised October 2022)
- Case
Medellín Reborn (A)
By: Jorge Tamayo, Ashish Nanda and Margaret Cross
In 2003, mathematics professor Sergio Fajardo was elected mayor of Medellín, Colombia—one of the most violent cities in the world at that time. As mayor, Fajardo faced a host of daunting challenges. Rampant gang violence had raised Medellín’s homicide rate... View Details
Keywords: Strategic Leadership; Peace; Government; Politics; Priorities; Leadership; City; Strategy; Government and Politics; Problems and Challenges; Transformation; Government Administration; Crime and Corruption; Colombia; Medellín
Tamayo, Jorge, Ashish Nanda, and Margaret Cross. "Medellín Reborn (A)." Harvard Business School Case 720-453, April 2020. (Revised October 2022.)
- 18 Feb 2011
- Other Presentation
Prosperity for Colombia: Creating Shared Value
Regional competitiveness and CSV presentation, Bogotá View Details
Porter, Michael E. "Prosperity for Colombia: Creating Shared Value." Institute for Strategy and Competitiveness, Bogotá, Columbia, February 18, 2011.
- February 2003 (Revised March 2006)
- Case
Asociacion Colombiana de Industrias Plasticas (Acoplasticos)
Acoplasticos was established in 1961 as a lobbying group for Colombia's major plastics manufacturing companies. In the early 1980s, the organization shifted its focus toward improving the productivity of the Colombian plastics and rubber cluster, which also included... View Details
Keywords: Cooperation; Information Technology; Alliances; Research and Development; Business and Government Relations; Performance Productivity; Developing Countries and Economies; Manufacturing Industry; Chemical Industry; Colombia
Porter, Michael E., and Willis M. Emmons III. "Asociacion Colombiana de Industrias Plasticas (Acoplasticos)." Harvard Business School Case 703-437, February 2003. (Revised March 2006.)
- 2025
- Working Paper
Prices and Concentration: A U-shape? Theory and Evidence from Renewables
By: Michele Fioretti, Junnan He and Jorge Tamayo
We show that when firms compete via supply functions, transferring high-cost
capacity to the largest, most efficient firm—thereby diversifying its production technologies
while increasing concentration—can lower prices by prompting the leader
to expand output and... View Details
Keywords: Diversified Production Technologies; Concentration Levels; Market Power; Supply Function Equilibrium; Hydropower; Energy Transition; Renewable Energy; Price; Competition; Supply and Industry; Energy Industry; Colombia
Fioretti, Michele, Junnan He, and Jorge Tamayo. "Prices and Concentration: A U-shape? Theory and Evidence from Renewables." Harvard Business School Working Paper, No. 25-049, April 2025.
- 2025
- Working Paper
Luck of the Draw: The Causal Effect of Physicians on Birth Outcomes
By: Christian Posso, Jorge Tamayo, Arlen Guarin and Estefania Saravia
We estimate the effect on birth outcomes of a mother’s being treated by more-skilled versus less-skilled physicians by exploiting a Colombian government program that randomly assigned newly graduated physicians to local health centers (LHCs). We estimate the impact on... 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
Posso, Christian, Jorge Tamayo, Arlen Guarin, and Estefania Saravia. "Luck of the Draw: The Causal Effect of Physicians on Birth Outcomes." Harvard Business School Working Paper, No. 22-015, February 2021. (Revised January 2025. 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.)
- 2023
- Working Paper
Spatial Mobility, Economic Opportunity, and Crime
By: Gaurav Khanna, Carlos Medina, Anant Nyshadham, Daniel Ramos-Menchelli, Jorge Tamayo and Audrey Tiew
Neighborhoods are strong determinants of both economic opportunity and criminal activity. Does improving connectedness between segregated and unequal parts of a city predominantly import opportunity or export crime? We use a spatial general equilibrium framework to... View Details
Keywords: Urban Transit Infrastructure; Crime; Spatial Equilibrium; Urban Development; Transportation Networks; Crime and Corruption; Transportation Industry; Medellín; Colombia; South America
Khanna, Gaurav, Carlos Medina, Anant Nyshadham, Daniel Ramos-Menchelli, Jorge Tamayo, and Audrey Tiew. "Spatial Mobility, Economic Opportunity, and Crime." Harvard Business School Working Paper, No. 24-016, September 2023. (R&R American Economic Review.)
- Article
Do Citizens’ Preferences Matter? Shaping Legislator Attitudes Towards Peace Agreements
By: Miguel García-Sánchez, Aila M. Matanock and Natalia Garbiras-Díaz
To what extent are legislators, responsible for the implementation of many peace agreements, responsive to citizens’ preferences? Examining the 2016 Colombian peace agreement, we embed an experiment in the 2019 wave of a survey of all the members of Congress. We inform... View Details
Keywords: Legislation; Legislators; Peace Process; Agreements; Govenment; Voters' Interests; Governance; Government and Politics; Voting; Policy; Governing Rules, Regulations, and Reforms; Latin America; Colombia
García-Sánchez, Miguel, Aila M. Matanock, and Natalia Garbiras-Díaz. "Do Citizens’ Preferences Matter? Shaping Legislator Attitudes Towards Peace Agreements." Journal of Conflict Resolution 67, no. 5 (May 2023): 893–922.
- 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? Despite standardized processes, we observe significant variation in the availability of new products across... 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. (Revised July 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.
- September 2024
- Article
Political Elite Cues and Attitude Formation in Post-Conflict Contexts
By: Natalia Garbiras-Díaz, Miguel Garcia-Sanchez and Aila M. Matanock
Civil conflicts typically end with negotiated settlements, but many settlements fail, often during the implementation stage when average citizens have increasing influence. Citizens sometimes evaluate peace agreements by voting on referendums or the negotiating... View Details
Keywords: Civil Unrest; Peace Process; Political Leadership; Peace; Politics; Policy Change; Policy; Government and Politics; Government Administration; Governance; Political Elections; Civil Society or Community; Negotiation; Negotiation Participants; Public Relations Industry; Colombia; Latin America; South America
Garbiras-Díaz, Natalia, Miguel Garcia-Sanchez, and Aila M. Matanock. "Political Elite Cues and Attitude Formation in Post-Conflict Contexts." Journal of Peace Research 61, no. 5 (September 2024): 874–890.
- 2024
- Working Paper
Rapport in Organizations: Evidence from Fast Food
By: Achyuta Adhvaryu, Parker Howell, Anant Nyshadham and Jorge Tamayo
Common identity often provides a foundation for workplace rapport. Using personnel and productivity data from a large fast food chain in Colombia, we study whether mismatched gender identity across managers and workers affects the team’s ability to deal with demand... View Details
Keywords: Productivity; Workplace Relationships; Rapport; Managers; People Management; Labor Allocation; Staffing; Scheduling; Quick-serve Restaurants; Management; Relationships; Gender; Labor and Management Relations; Organizational Change and Adaptation; Employees; Food and Beverage Industry; Colombia
Adhvaryu, Achyuta, Parker Howell, Anant Nyshadham, and Jorge Tamayo. "Rapport in Organizations: Evidence from Fast Food." Harvard Business School Working Paper, No. 24-032, November 2023. (Revised August 2024.)