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2021
Working Paper

Pandemic Schooling Mode and Student Test Scores: Evidence from U.S. States

By: Clare Halloran, Rebecca Jack, James C. Okun and Emily Oster

We estimate the impact of district-level schooling mode (in-person versus hybrid or distance learning) on test scores. We combine Spring 2021 state standardized test score data with comprehensive data on schooling in the 2020-21 school year across 12 states. We find... View Details

Keywords: COVID-19 Pandemic; In-person Schooling; Distance Learning; Outcomes Measurement; Health Pandemics; Education; Performance Evaluation

08 May 2006
Research & Ideas

The Cost of Cutting in Line

learn from your research in terms of creating waiting lists? A: Take waiting at the airport as an example. Charging passengers for the right to jump the queue is problematic. First, the airlines have some... View Details

Keywords: by Sean Silverthorne

September 2021 (Revised March 2024)
Case

Tesla in 2023: 'Electrified' Competition

By: Eric Van den Steen, Ramon Casadesus-Masanell and Karen Elterman

Over its 17 years in existence, Tesla had redefined people’s view of electric cars, and in 2020, the company saw its stock rise by more than 700% to became the most valuable carmaker in the world. In December 2020, Tesla celebrated its fifth consecutive quarter of... View Details

Keywords: Barrier To Entry; Competitive Advantage; Innovation; Tesla; Automotive Industry; Sustainable Competitive Advantage; Values; Vision; Learning By Doing; Economies Of Scale; Electric Vehicle; Scenario Planning; Batteries; Competitive Strategy; Product Positioning; Profit; Competition; Industry Growth; Auto Industry

Research Summary

Understanding the Limitations of Model Explanations

By: Himabindu Lakkaraju

The goal of this research is to understand how adversaries can exploit various algorithms used for explaining complex machine learning models with an intention to mislead end users. For instance, can adversaries trick these algorithms into masking their racial and... View Details

August 2011 (Revised October 2015)
Case

Boardroom Battle Behind Bars: Gome Electrical Appliances Holdings—A Corporate Governance Drama

By: William C. Kirby and Tracy Yuen Manty

Despite widespread news of the incarceration of Gome Electronics' CEO, Huang Guangyu, Bain Capital felt they carefully undertook due diligence before making a significant investment in the company. The venture capital firm was confident that it and the current... View Details

Keywords: China; Legal Aspects Of Business; Corruption; Risk; Corporate Governance; Crime and Corruption; Power and Influence; Risk Management; Business and Shareholder Relations; Venture Capital; Ethics; Governing and Advisory Boards; Governing Rules, Regulations, and Reforms; Values and Beliefs; Private Equity; China

2017
Working Paper

The Importance of Unemployment Insurance as an Automatic Stabilizer

By: Marco Di Maggio and Amir Kermani

We assess the extent to which unemployment insurance (UI) serves as an automatic stabilizer to mitigate the economy's sensitivity to shocks. Using a local labor market design based on heterogeneity in local benefit generosity (defined as the percentage of household... View Details

Keywords: Unemployment Insurance; Automatic Stabilizers; Bartik Shocks; Aggregate Demand; System Shocks; Employment; Balance and Stability; Insurance; Volatility; Insurance Industry

July 2023
Article

Managerial Quality and Productivity Dynamics

By: Achyuta Adhvaryu, Anant Nyshadham and Jorge Tamayo

Do productivity and managerial quality vary within the firm? If so which managerial traits and practices matter most for team productivity? Combining granular garment production data with survey data on managers across 120 production lines in India, we document... View Details

Keywords: Productivity; Non-cognitive Skills; Learning By Doing; Ready-made Garments; Management; Management Practices and Processes; Management Skills; Performance Productivity; Fashion Industry; Manufacturing Industry; India

April 2003 (Revised October 2004)
Case

Novartis: The Challenge of Success (B)

By: Sandra J. Sucher and Stacy McManus

When Dr. Daniel Vasella learned of the early Phase 1 trial results, he immediately decided what course of action Novartis would take. Students will be able to examine and assess the concrete steps, and the rationale behind them, that Novartis took in response to this... View Details

Keywords: Decision Making; Moral Sensibility; Innovation and Invention; Distribution; Product Development; Production; Problems and Challenges; Research and Development; Biotechnology Industry; Pharmaceutical Industry

04 May 2017
Cold Call Podcast

Leading a Team to the Top of Mount Everest

Keywords: Re: Amy C. Edmondson

May 2017
Article

Psychologically Informed Implementations of Sugary-Drink Portion Limits

By: Leslie John, Grant Donnelly and Christina Roberto

In 2012, the New York City Board of Health prohibited restaurants from selling sugary drinks in containers larger than 16 ounces. Although a state court ruled that the Board of Health did not have the authority to implement such a policy, it remains a legally viable... View Details

Keywords: Nutrition; Governing Rules, Regulations, and Reforms; Public Administration Industry; Food and Beverage Industry; New York (city, NY)

11 Sep 2007
Working Paper Summaries

Bond Risk, Bond Return Volatility, and the Term Structure of Interest Rates

Keywords: by Luis M. Viceira

August 2018
Article

The Effect of Graphic Warnings on Sugary-Drink Purchasing

By: Grant Donnelly, Laura Y. Zatz, Daniel Svirsky and Leslie John

Governments have proposed text warning labels to decrease consumption of sugary drinks – a contributor to chronic diseases like diabetes. However, they may be less effective than more evocative, graphic warning labels. We field-tested the effectiveness of graphic... View Details

Keywords: Policy Making; Preferences; Food; Health; Policy; Information; Labels; Consumer Behavior; Decision Making; Performance Effectiveness

Research Summary

Discontinuous Trading: A Poisson Model of Liquidity Pools (May 2005)

Abstract: Liquidity can be defined as the ability to trade instantaneously at fundamental value. When opportunities to trade at fundamental value are the exception, not the rule, investors may in practice trade only during these short-lived liquidity pools. To capture... View Details

May 2019 (Revised June 2021)
Case

State of Charge: The Massachusetts Energy Storage Initiative

By: John R. Wells and Benjamin Weinstock

In early 2017, Judith Judson (Harvard Business School MBA, 2000), Commissioner of the Massachusetts Department of Energy Resources (DOER), was reflecting on the results of the initiative she had led to identify the contribution advanced electricity storage could make... View Details

Keywords: Energy Storage; Energy Generation; Programs; Policy; Strategy; Energy Industry; Utilities Industry; Massachusetts

2021
Working Paper

Invisible Primes: Fintech Lending with Alternative Data

By: Marco Di Maggio, Dimuthu Ratnadiwakara and Don Carmichael

We exploit anonymized administrative data provided by a major fintech platform to investigate whether using alternative data to assess borrowers’ creditworthiness results in broader credit access. Comparing actual outcomes of the fintech platform’s model to... View Details

Keywords: Fintech Lending; Alternative Data; Machine Learning; Algorithm Bias; Finance; Information Technology; Financing and Loans; Analytics and Data Science; Credit

05 Jul 2023
Cold Call Podcast

How Unilever Is Preparing for the Future of Work

Keywords: Re: William R. Kerr; Retail; Consumer Products

June 2009 (Revised May 2013)
Case

Australia: The Riches and Challenges of Commodities

By: Laura Alfaro and Renee Kim

Australia's Prime Minister Kevin Rudd faced a daunting task that he never imagined he would have to face when he was elected two years ago. Australia at that time was poised to enter its 17th year of uninterrupted growth. Commodity exports were booming, largely driven... View Details

Keywords: Financial Crisis; Trade; Foreign Direct Investment; Policy; Crisis Management; China; Australia

2002
Other Unpublished Work

Clusters of Innovation Initiative: Research Triangle

By: Michael E. Porter

This regional report examines the composition and performance of the Research Triangle regional economy, how industry clusters developed and innovation arose, how clusters affected the region's economic future, and how the region can establish a strategy and action... View Details

Keywords: Clusters; Economics; Industry Clusters; Economy; Growth and Development; North Carolina

June 2020
Case

Agile Consumer Product Innovation with Alibaba's Tmall Innovation Center

By: William R. Kerr, Daniel O'Connor and James Palano

Consumer products companies were beset by changes on all sides during the 2010s. Customers were increasingly turning to ecommerce platforms rather than shopping in-store. Meanwhile, nimble, digitally-savvy competitors were gaining market share by capitalizing on the... View Details

Keywords: Future Of Work; Retail; Ecommerce; Alibaba; Consumer Products; Innovation; Innovation and Invention; Product Development; Consumer Behavior; E-commerce; Consumer Products Industry; Retail Industry; China