Publications

December 2018 (Revised June 2021)
Supplement

Bulb 2017: Launch

By: John R. Wells and Benjamin Weinstock

On August 21, 2015, Amit Gudka and Hayden Wood, co-founders of Bulb Ltd. (Bulb) launched a new business to supply energy to the United Kingdom’s 27 million residential homes with a promise of 100% renewable electricity at affordable prices. By the end of March 2017,... View Details

March 2011 (Revised February 2014)
Case

Cree, Inc.: Which Bright Future?

By: David J. Collis, Mary Furey and Matthew Shaffer

After its founding in the late 1980s, Cree Inc. quickly grew into a major player in the emerging LED market. By 2007, technological improvements in LEDs had made them suitable for TV, computer, and mobile "backlighting"; and concerns over global warning led to calls to... View Details

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

Read Now

22 Feb 2022
News

New Urban Order

greatest risk from the disastrous effects of sea-level rise. Yet cities also have the ability to act without waiting for state and federal action, adds Raphael Carty (MBA 1983), former CEO of Callida Energy, a software startup focused on reducing commercial-building... View Details

Keywords: Kathleen Fu, Deborah Blagg, Julia Hanna, and Maureen Harmon; illustrations by; energy; environment; sustainability; entrepreneurship; Transit and Ground Passenger Transportation; Transportation; Water, Sewage and Supply Systems; Utilities; Construction of Buildings; Construction; Waste Management and Remediation Services; Corporate Services

February 2016 (Revised October 2017)
Case

Nuclear Energy: An Answer to Climate Change?

By: Michael W. Toffel, Glen W. S. Dowell and James Weber

Environmental activist groups have traditionally opposed nuclear energy. However, the growing environmental problems associated with global climate change require major changes to reduce the carbon intensity of electricity generation. Should environmental groups... View Details

Keywords: Nuclear Energy; Nuclear Power; Climate Change; Safety; Activism; Nonprofit; Environment; Environmental Protection; Social Movements; Energy; Energy Generation; Environmental Sustainability; Non-Governmental Organizations; Non-Renewable Energy; Energy Industry; United States

November 2019 (Revised April 2021)
Technical Note

Rechargeable Batteries, 2017: Gigafactory Wars in the Offing?

By: John R. Wells and Benjamin Weinstock

In 2017, the global market for rechargeable lithium-ion (Li-ion) batteries was 126 gigawatt-hours (GWh) valued at $37 billion, growing by $10 billion in two years. Once confined largely to consumer electronics and appliances, the rapid increase in demand was spurred by... View Details

Research Summary

Overview

Dr. Crawford conducts research on innovation in the energy industry, with a special focus on emerging business models. She is developing several cases for the EC course, "21st Century Energy," that specifically examine innovations at the interface of IT and Energy — ... View Details

18 Jul 2023
Research & Ideas

Will Global Demand for Oil Peak This Decade?

Is the globe’s thirst for oil finally topping out? A major international energy watcher says yes, predicting last month that demand for global oil for transport will peak around 2026, plateau for all uses by 2028, and possibly hit a zenith by the end of the decade.... View Details

Keywords: by Alvin Powell, Harvard Gazette; Energy; Industrial Products; Auto; Green Technology

2025
Working Paper

How to Choose Among Technologies with Learning Curves: Making Better Investment Decisions

By: Christian Kaps and Arielle Anderer

Learning curves, the fact that technologies improve as a function of cumulative experience or investment, are desirable-think inexpensive solar panels or higher performing semiconductors. But, for firms that need to pick one technology among several candidates, such as... View Details

Keywords: Learning Curve; Technology; Innovation; Batteries; Energy Storage; Sequential Decision Making; TELCO; Exploration; Exploitation; Problems and Challenges; Cost vs Benefits; Technology Adoption; Battery Industry

SSRN

February 2023
Article

Climate Solutions Investments

By: Alex Cheema-Fox, George Serafeim and Hui (Stacie) Wang

An increasing number of companies are providing products and services that help reduce carbon emissions in the economy. We develop a methodology to identify those companies and create a sample of publicly listed climate solutions companies allowing us to study their... View Details

Keywords: Decarbonization; Climate Finance; Climate Impact; Climate Risk; Environment; Sustainability; Carbon Emissions; Electric Vehicles; Energy; Renewables; Climate Change; Corporate Social Responsibility and Impact; Environmental Sustainability; Emerging Markets; Investment Portfolio

SSRN

September 2018
Case

Verisk: Trailblazing in the Big Data Jungle

By: Andrew Wasynczuk, Francesca Gino and Karim Sameh

This case revolves around Verisk Analytics' initiatives to drive innovation throughout the firm's many business verticals. Verisk, originally named ISO, started life as an insurance rating agency in the early 1970s, acting as an intermediary between insurance companies... View Details

09 Mar 2022
Research & Ideas

War in Ukraine: Soaring Gas Prices and the Return of Stagflation?

extensive research of Russia, Ukraine, the politics of oil and gas, and sanctions. He has written case studies about the Russian government after the fall of the Soviet Union, energy politics in Europe, and modern-day Ukraine. This... View Details

Keywords: by Avery Forman; Energy

09 Jan 2024
Research & Ideas

Could Clean Hydrogen Become Affordable at Scale by 2030?

Hydrogen is poised to move from the sidelines of global clean energy as the industry learns to produce it more efficiently and at lower cost, according to newly published research led by Gunther Glenk, a climate fellow with Harvard Business School's Institute for the... View Details

Keywords: by Desmond Dodd; Energy; Green Technology

June 2015 (Revised August 2018)
Case

American Electric Power: Facing the Challenges of Distributed Generation

By: Richard H.K. Vietor and Hilary White

American Electric Power, like most utilities in the USA, is currently exposed to distributed generation and the problem of net-metering. Solar installations in particular have been heavily subsidized, by the state and by regulation, which does not allow grid operators... View Details