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- February 2020
- Case
Seso Global: Building a Blockchain-enabled Property Marketplace in Nigeria
By: Boris Vallee and Yang (Dolly) Yu
The mutual aspiration of addressing the housing shortage and improving real estate market efficiency led Daniel and Phillip to co-found Seso Global in 2017. Seso Global developed a unique integrated platform to streamline and rationalize the process of acquiring and... View Details
- 2020
- Article
Mutual Funds: Skill and Performance
By: Jonathan B. Berk, Jules van Binsbergen and Max Miller
The authors summarize the recent literature on mutual fund manager skill and performance. They discuss the latest contributions in the field and reinterpret them through the lens of the rational expectations framework (efficient market hypothesis). They further discuss... View Details
- January 2020
- Case
Ureed.com: The Marketplace for Language
By: Ashley V. Whillans, Esel Çekin and Alpana Thapar
Jordanian entrepreneur, Nour Al Hassan, founded Tarjama in 2008, tapping into an underserved and high demand need: Arabic translation service. Its lean model comprised of hiring full-time employees, mainly women, who worked from home. It steadily grew over the... View Details
- 2020
- Chapter
El problema de la productividad [The Productivity Problem]
By: Laura Alfaro and Fabio Kanczuk
The weak performance of the Latin American region in terms of the growth of its GDP is largely due to its low productivity growth. In fact, the region's main problem has been its lack of efficiency in combining capital and labor to produce. In this chapter, we... View Details
Keywords: GDP Growth; Productivity Growth; Efficiency; Labor; Capital; Growth and Development; Latin America
- January 2020
- Article
The Impact of Mass Shootings on Gun Policy
By: Michael Luca, Deepak Malhotra and Christopher Poliquin
There have been dozens of high-profile mass shootings in recent decades. This paper presents three main findings about the impact of mass shootings on gun policy. First, mass shootings evoke large policy responses. A single mass shooting leads to a 15% increase in the... View Details
- November 9, 2019
- Article
Effect of Revealing Authors' Conflicts of Interests in Peer Review: Randomized Controlled Trial
By: Leslie K. John, George Loewenstein, Andrew Marder and Michael Callaham
Objective: To assess the impact of disclosing authors’ conflict of interest declarations to peer reviewers at a medical journal.
Design: Randomised controlled trial.
Setting: The study was conducted within the manuscript review process at the... View Details
Design: Randomised controlled trial.
Setting: The study was conducted within the manuscript review process at the... View Details
- October 14, 2019
- Article
A Guide to the Big Ideas and Debates in Corporate Governance
By: Lynn S. Paine and Suraj Srinivasan
How corporations govern themselves has become a matter of broad public interest in recent decades. Amid this many commentators and experts still disagree on such basic matters as the purpose of the corporation, the role of corporate boards of directors, the rights of... View Details
- 2019
- Working Paper
Persuasive Propaganda During the 2015 Argentine Ballotage
By: Rafael Di Tella, Sebastian Galiani and Ernesto Schargrodsky
We study a propaganda campaign sponsored by the government against the main political challenger in the days preceding the 2015 Argentine runoff presidential election. Subjects in the treatment group watched an “ad” initially aired during soccer transmissions that was... View Details
- August 2019 (Revised November 2022)
- 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... View Details
- Article
Effect of Different Financial Incentive Structures on Promoting Physical Activity Among Adults: A Randomized Clinical Trial
By: Chethan Bachireddy, Andrew Joung, Leslie K. John, Francesca Gino, Bradford Tuckfield, Luca Foschini and Katherine L. Milkman
Importance: Few adults engage in recommended levels of physical activity. Financial incentives can promote physical activity, but little is known about how their structure influences their effectiveness; for example, whether incentives are more effective if they are... View Details
- June 2019 (Revised May 2022)
- Case
Roger Federer's TEAM8: Launching the Laver Cup
By: Anita Elberse
Roger Federer, widely regarded as the best tennis player in the history of the sport, walked onto the court to thunderous applause during in the second edition of the Laver Cup in September 2018. Named after tennis legend Rod Laver, the Cup pitted many of the greatest... View Details
- Article
Use of Crowd Innovation to Develop an Artificial Intelligence-Based Solution for Radiation Therapy Targeting
By: Raymond H. Mak, Michael G. Endres, Jin Hyun Paik, Rinat A. Sergeev, Hugo Aerts, Christopher L. Williams, Karim R. Lakhani and Eva C. Guinan
Importance: Radiation therapy (RT) is a critical cancer treatment, but the existing radiation oncologist work force does not meet growing global demand. One key physician task in RT planning involves tumor segmentation for targeting, which requires substantial... View Details
- March 2019 (Revised May 2019)
- Case
Growth Investing at Totem Point
By: Suraj Srinivasan, Charles C.Y. Wang and Jonah Goldberg
The case describes the investment of hedge fund, Totem Point Management in Analog Semiconductors (ADI) as a way to discuss forecasting and valuation in growth companies. In June 2016, hedge fund Totem Point invested in ADI at around $55 a share. In general, Totem Point... View Details
- 2023
- Working Paper
When Does Gamified Training Improve Performance? The Roles of Office and Leader Engagement
By: Ryan W. Buell, Wei Cai and Tatiana Sandino
Gamified training is a novel management control system in which companies use gamification
techniques to engage and motivate employees to learn. This study empirically examines the
performance consequences of gamified training using data from a natural field... View Details
- 2019
- Chapter
International Business and Emerging Markets in Historical Perspective
By: Geoffrey Jones
This chapter examines international business in emerging markets over the long run. It shows how the strategies of Western multinationals evolved over time. In the first era of globalization in the 19th century, Western firms sought access to resources, and they faced... View Details
- March–April 2019
- Article
The Future of Leadership Development
By: Das Narayandas and Mihnea Moldoveanu
The need for leadership development has never been more urgent. Companies of all sorts realize that to survive in today’s volatile, uncertain, complex, and ambiguous environment, they need different leadership skills and organizational capabilities from those that... View Details
- 2020
- Working Paper
Overcoming the Cold Start Problem of CRM Using a Probabilistic Machine Learning Approach
By: Eva Ascarza
The success of Customer Relationship Management (CRM) programs ultimately depends on the firm's ability to understand consumers' preferences and precisely capture how these preferences may differ across customers. Only by understanding customer heterogeneity, firms can... View Details
- 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).... View Details
- January 2019 (Revised July 2022)
- Case
Jain Irrigation Systems Limited: Continuing a Legacy
By: Forest Reinhardt, Gunnar Trumbull and Mahima Rao-Kachroo
Founded in 1963 by Bhavarlal Jain (Bhau), who believed in “providing solutions for every problem,” Jain Irrigation in 2018 had a global footprint and $1.1 billion in revenue. Bhau had insisted that his business add value to farmers' lives and promote sustainable... View Details
- January 2019 (Revised June 2019)
- Technical Note
U.S. Commercial Health Insurance Industry
By: Susanna Gallani, Mary Witkowski and Harry B. Wolberg
This note describes the role of commercial payers in the U.S. healthcare industry. We begin with a review of the historical evolution of commercial payers and their role in the market, from the beginning to the Affordable Care Act and beyond. Every wave of reforms in... View Details