Publications

April 2014
Case

Merrimack Pharmaceuticals, Inc. (A)

By: Amy C. Edmondson, Bethany S. Gerstein and Melissa Valentine

In 2006, Merrimack Pharmaceuticals was a fast-growing biotechnology company. Its leadership team was divided over whether to keep R&D organized in functional departments or transition to interdisciplinary teams. As a small company, Merrimack's R&D organization had... View Details

Keywords: Teamwork; Interdisciplinary Collaboration; R＆D; Biotechnology; Complexity; Innovation Management; Organizational Design; Groups and Teams; Collaborative Innovation and Invention; Research and Development; Biotechnology Industry; Pharmaceutical Industry

2018
Interviews

Adia Harvey Wingfield illuminates the complexities of the 21st century color line at the 2018 Gender & Work Symposium

September 2015 (Revised July 2016)
Case

Turkish Airlines: Widen Your World

By: Juan Alcácer and Esel Çekin

This case tracks Turkish Airlines' transition from regional player to global powerhouse. With an order for 212 aircraft in the first half of 2013, the airline had moved to double its size and become one of the industry's top-ten players. Growing its fleet would allow... View Details

Keywords: Strategy; Operational Complexity; Capacity Constraints; Profitable Growth; Subsidiary Management; Externalities; Emerging Market; Globalized Firms and Management; Competition; Air Transportation; Alliances; Corporate Strategy; Emerging Markets; Growth and Development Strategy; Air Transportation Industry; Turkey

Article

Testing Substitutability

By: John William Hatfield, Nicole Immorlica and Scott Duke Kominers

We provide an algorithm for testing the substitutability of a length-N preference relation over a set of contracts X in time O(|X|3⋅N3). Access to the preference relation is essential for this result: We show that a substitutability-testing algorithm with access only... View Details

Keywords: Substitutability; Matching; Communication Complexity; Preference Elicitation; Marketplace Matching; Communication; Mathematical Methods; Economics

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October 2019
Article

Partial Deregulation and Competition: Effects on Risky Mortgage Origination

By: Marco Di Maggio, Amir Kermani and Sanket Korgaonkar

We exploit the OCC's preemption of national banks from state laws against predatory lending as a quasi-experiment to study the effect of deregulation and its interaction with competition on the supply of complex mortgages. Following the preemption ruling, national... View Details

Keywords: Great Recession; Subprime; Complex Mortgages; Credit Supply; Household Debt; Preemption Rule; Competition; Mortgages; Government Legislation; Credit; Financial Crisis

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2012
Working Paper

Modularity and Organizations

By: Carliss Y. Baldwin

Modularity describes the degree to which a complex system can be broken apart into subunits (modules) that can be recombined in various ways. Modularity is important for organizations and the economy because the boundaries of organizational units and corporations are... View Details

Keywords: Complex Systems; Information Hiding; Loosely-coupled Systems; Mirroring; Mirroring Hypothesis; Modules; Modularity; Near-decomposable Systems; Product Architecture; Option Value; Organizational Design; Complexity

2015
Working Paper

Moving to the Adjacent Possible: Discovering Paths for Export Diversification in Rwanda

By: Ricardo Hausmann and Jasmina Chauvin

How can Rwanda, which currently has one of the lowest levels of income and exports per capita in the world, grow and diversify its economy in presence of significant constraints? We analyze Rwanda's historical growth and trade performance and find that Rwanda's high... View Details

Keywords: Export Diversification; Industrialization; Economic Complexity; International Trade; Rwanda; Diversification; Trade; Transportation; Developing Countries and Economies; Rwanda

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December 7, 2022
Article

Why Decentralized Crypto Platforms Are Weathering the Crash

By: Shai Bernstein and Scott Duke Kominers

In the past year, crypto markets dropped from $2.9 trillion in value to around $800 billion. In the wake of the collapse, crypto lenders and exchanges have been accused of fraud and other wrongdoing. What went wrong? One factor is competition. In theory, competition... View Details

Keywords: Crypto Economy; Cryptocurrency; Financial Complexity; Financial Crisis; Decentralization; Decentralized Markets; Decentralized Autonomous Organizations; Finance; Market Design; Financial Services Industry

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September 2016 (Revised July 2018)
Case

United Airlines: More Out-and-Back Flying?

By: Ryan W. Buell, Willy Shih and Mike Toffel

This case looks at United Airlines when it is facing a decision on whether to shift its aircraft routing to more "out-and-back" routing in order to try to improve its on-time performance. As one of the world's largest airlines, United had a very large fleet and... View Details

November 2016
Supplement

Irregular Operations

By: Ryan W. Buell, Willy C. Shih and Michael W. Toffel

This video shows a dispatcher responding to an irregular operations situation caused by weather at an East Coast airport. View Details

Keywords: Service; Service Excellence; Service Quality; Operating Systems; Operational Complexity; Operational Disruptions; Operational Efficiency; Operational Focus; Air Transportation; Service Operations; Service Delivery; Air Transportation Industry

September 2016 (Revised August 2018)
Supplement

United Airlines: More Out-and-Back Flying?: Case Supplement #1

By: Ryan W. Buell, Willy C. Shih and Michael W. Toffel

This spreadsheet supplement accompanies 617-010 United Airlines: More Out-and-Back Flying? and is intended to provide students with an opportunity to apply analysis concepts with real operational data. View Details

Keywords: Service; Service Excellence; Service Management; Operating Systems; Operational Complexity; Operational Disruptions; Operational Efficiency; Operational Focus; Air Transportation; Operations; Service Operations; Service Delivery; Air Transportation Industry; United States

July 2013
Case

Novozymes: Establishing the Cellulosic Ethanol Value Chain

By: Willy Shih and Sen Chai

As the world's largest producer of industrial enzymes, Novozymes had invested heavily for many years to bio-engineer enzymes that could break down cellulose into fermentable sugar. In 2010, the company had launched what it thought would become a breakthrough product... View Details

November 2016
Supplement

United Airlines Operations

By: Ryan W. Buell, Willy C. Shih and Michael W. Toffel

This video is a collection of clips that highlight aspects of United Airlines' operations View Details

Keywords: Service; Service Delivery; Service Management; Service Operations; Service Quality; Operating Systems; Operational Complexity; Operational Disruptions; Operational Effectiveness; Operational Efficiency; Air Transportation; Operations; Air Transportation Industry

2016
Working Paper

The Mirroring Hypothesis: Theory, Evidence and Exceptions

By: Lyra J. Colfer and Carliss Y. Baldwin

The mirroring hypothesis predicts that organizational ties within a project, firm, or group of firms (e.g., communication, collocation, employment) will correspond to the technical patterns of dependency in the work being performed. A thorough understanding of the... View Details

Keywords: Modularity; Innovation; Product And Process Development; Organization Design; Design Structure; Organizational Ties; Mirroring Hypothesis; Industry Architecture; Product Architecture; Complex Technical Systems; Information Technology; Organizational Design; Organizational Structure; Relationships; Innovation and Invention; Product Development