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- 2021
- Working Paper
Multiple Team Membership, Turnover, and On-Time Delivery: Evidence from Construction Services
By: Hise O. Gibson, Bradely R. Staats and Ananth Raman
Firms who want to compete in dynamic markets are finding that they must build more agile operations to ensure success. One way for a firm to increase organizational agility is to allocate employees to multiple project teams, simultaneously—a practice known as multiple...
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- July 2021
- Article
Invisible Inequality Leads to Punishing the Poor and Rewarding the Rich
By: Oliver P. Hauser, Gordon T. Kraft-Todd, David Rand, Martin A. Nowak and Michael I. Norton
Four experiments examine how the lack of awareness of inequality affects behaviour towards the rich and poor. In Experiment 1, participants who became aware that wealthy individuals donated a smaller percentage of their income switched from rewarding the wealthy to...
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Keywords:
Income Transparency;
Income;
Wealth;
Equality and Inequality;
Knowledge;
Behavior;
Outcome or Result;
Society;
Policy
- 2021
- Working Paper
Who Closed the Schools?
By: Joshua D. Coval
This paper examines the differences in characteristics between U.S. public schools that opted for virtual instruction because of COVID-19, and schools that did not. Much of the variation can be explained by measures of the degree to which districts favored teachers...
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- Article
A Feasibility Study Using Time-driven Activity-based Costing as a Management Tool for Provider Cost Estimation: Lessons from the National TB Control Program in Zimbabwe in 2018
By: J. Chirenda, B. Nhlema Simwaka, C. Sandy, K. Bodnar, S. Corbin, P. Desai, T. Mapako, S. Shamu, C. Timire, E. Antonio, A. Makone, A. Birikorang, T. Mapuranga, M. Ngwenya, T. Masunda, M. Dube, E. Wandwalo, L. Morrison and R. S. Kaplan
Background: This study used process maps and time-driven activity-based costing to document TB service delivery processes. The analysis identified the resources required to sustain TB services in Zimbabwe, as well as several opportunities for more effective and...
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- January 2021
- Case
Dwight D. Eisenhower: Changing the World
By: Robert Simons and Shirley Sun
This case describes the rise of Dwight (Ike) Eisenhower from a small town in Kansas to the pinnacle of power on the world stage. During his life, Eisenhower was leader of the Allied Forces in World War II, president of Columbia University, head of NATO, and president...
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- September 2020
- Case
Lojas Americanas: Project DNA and the 'People Machine'
By: Boris Groysberg, Eric Lin and Sarah L. Abbott
Lojas Americanas (“Americanas”) was one of the largest retailers in Brazil. Via its stores, digital platform and Innovation Engine, the company served more than 38 million people. In recent years, Americanas had enjoyed rapid growth; growing from 98 stores in 2001 to...
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- March 2020
- Case
Aereo
By: Thomas R. Eisenmann and Jacey Taft
Aereo aimed to disrupt television program distribution by providing consumers access to local broadcast TV programming using offsite antennas, cloud-based DVRs, and an Internet connection. With Aereo, consumers could “cut the cord” and avoid the high cost of a cable TV...
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- August 2019 (Revised October 2019)
- Case
Paradigm Capital Value Fund
By: Luis M. Viceira and Elena Corsi
Karl Jan Erick Hummel had founded Paradigm Capital Value Fund in 2007 together with Columbia Business School Professor Bruce Greenwald, an expert in value investing and now chairman of the fund. The fund followed the principles of value investing to their target...
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- 2019
- Working Paper
Infrastructure and Finance: Evidence from India's GQ Highway Network
By: Abhiman Das, Ejaz Ghani, Arti Grover, William R. Kerr and Ramana Nanda
We use the construction of India's Golden Quadrangle (GQ) central highway network, together with comprehensive loan data drawn from the Reserve Bank of India, to investigate the interaction between infrastructure development and financial sector depth. We identify a...
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- Summer 2019
- Article
The Political Influence of Voters' Interests on SEC Enforcement
By: Jonas Heese
I examine whether political influence as a response to voters’ interest in employment levels is reflected in the enforcement actions of the Securities and Exchange Commission (SEC). I find that large employers are less likely to experience SEC enforcement actions....
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- January 2019 (Revised July 2019)
- Case
Chinese Infrastructure Investments in Sri Lanka: A Pearl or a Teardrop on the Belt and Road?
By: Meg Rithmire and Yihao Li
In 2015, a surprise presidential election result seemed to imperil Chinese investments in Sri Lanka, which were associated with China’s Belt and Road Initiative to build global infrastructure. In the previous decade, China had undertaken two major projects in the...
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- 2019
- Article
Fair Algorithms for Learning in Allocation Problems
By: Hadi Elzayn, Shahin Jabbari, Christopher Jung, Michael J Kearns, Seth Neel, Aaron Leon Roth and Zachary Schutzman
Settings such as lending and policing can be modeled by a centralized agent allocating a scarce resource (e.g. loans or police officers) amongst several groups, in order to maximize some objective (e.g. loans given that are repaid, or criminals that are apprehended)....
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- June 2018 (Revised July 2018)
- Teaching Note
Mark43
By: Thomas Eisenmann, Mitchell Weiss and Matt Higgins
Teaching Note for HBS No. 817-016. The founders of Mark43, an early-stage startup that provides software for law enforcement agencies, must decide whether to bid on a request for proposals (RFP) from the Los Angeles Police Department (LAPD). On the one hand, LAPD would...
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- Article
Orienteering for Electioneering
By: Jonah Kallenbach, Robert Kleinberg and Scott Duke Kominers
In this paper, we introduce a combinatorial optimization problem that models the investment decision a political candidate faces when treating his or her opponents’ campaign plans as given. Our formulation accounts for both the time cost of traveling between districts...
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- January 2018 (Revised March 2018)
- Teaching Note
The Future of Patent Examination at the USPTO
By: Prithwiraj Choudhury and Sarah Mehta
This teaching note pairs with the case entitled: “The Future of Patent Examination at the USPTO” (case no. 617-027).
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- Article
"Troll" Check? A Proposal for Administrative Review of Patent Litigation
By: Lauren Cohen, John Golden, Umit Gurun and Scott Duke Kominers
The patent system is commonly justified as a way to promote social welfare and, more specifically, technological progress. For years, however, there has been concern that patent litigation is undermining, rather than furthering, these goals. Particularly in the United...
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- 2017
- Article
Computer Vision Uncovers Predictors of Physical Urban Change
By: Nikhil Naik, Scott Duke Kominers, Ramesh Raskar, Edward L. Glaeser and César A. Hidalgo
Which neighborhoods experience physical improvements? In this paper, we introduce a computer vision method to measure changes in the physical appearances of neighborhoods from time-series street-level imagery. We connect changes in the physical appearance of five U.S....
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- April 2017
- Case
The Future of Patent Examination at the USPTO
By: Prithwiraj Choudhury, Tarun Khanna and Sarah Mehta
The U.S. Patent and Trademark Office (USPTO) is the federal government agency responsible for evaluating and granting patents and trademarks. In 2015, the USPTO employed approximately 8,000 patent examiners who granted nearly 300,000 patents to inventors. As of April...
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Keywords:
Machine Learning;
Telework;
Collaborating With Unions;
Human Resources;
Recruitment;
Retention;
Intellectual Property;
Copyright;
Patents;
Trademarks;
Knowledge Sharing;
Technology Adoption;
Organizational Change and Adaptation;
Performance Productivity;
Performance Improvement;
District of Columbia
- Article
Highways and Spatial Location within Cities: Evidence from India
By: Ejaz Ghani, Arti Grover Goswami and William R. Kerr
We investigate the impact of the Golden Quadrilateral (GQ) highway project on the spatial organization and efficiency of manufacturing activity. The GQ project upgraded the quality and width of 3,633 miles of road in India. We use a difference-in-difference estimation...
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- 2017
- Working Paper
Minimizing Justified Envy in School Choice: The Design of New Orleans' OneApp
By: Atila Abdulkadiroglu, Yeon-Koo Che, Parag A. Pathak, Alvin E. Roth and Oliver Tercieux
In 2012, New Orleans Recovery School District (RSD) became the first U.S. district to unify charter and traditional public school admissions in a single-offer assignment mechanism known as OneApp. The RSD also became the first district to use a mechanism based on Top...
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