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      • August 2023
      • Article

      Formal Employment and Organized Crime: Regression Discontinuity Evidence from Colombia

      By: Gaurav Khanna, Carlos Medina, Anant Nyshadham, Jorge Tamayo and Nicolas Torres
      Safety net programs, common in settings with high informality like Latin America, often use a means test to establish eligibility. We ask: in settings in which organised crime provides lucrative opportunities in the informal market, will discouraging formal employment... View Details
      Keywords: Gangs; Informality; Crime and Corruption; Job Search; Recruitment; Colombia
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      Khanna, Gaurav, Carlos Medina, Anant Nyshadham, Jorge Tamayo, and Nicolas Torres. "Formal Employment and Organized Crime: Regression Discontinuity Evidence from Colombia." Economic Journal 133 (August 2023): 2427–2448.
      • 2023
      • Working Paper

      How People Use Statistics

      By: Pedro Bordalo, John J. Conlon, Nicola Gennaioli, Spencer Yongwook Kwon and Andrei Shleifer
      We document two new facts about the distributions of answers in famous statistical problems: they are i) multi-modal and ii) unstable with respect to irrelevant changes in the problem. We offer a model in which, when solving a problem, people represent each hypothesis... View Details
      Keywords: Decision Choices and Conditions; Microeconomics; Mathematical Methods; Behavioral Finance
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      Bordalo, Pedro, John J. Conlon, Nicola Gennaioli, Spencer Yongwook Kwon, and Andrei Shleifer. "How People Use Statistics." NBER Working Paper Series, No. 31631, August 2023.
      • August 2023
      • Article

      Status and Mortality: Is There a Whitehall Effect in the United States?

      By: Tom Nicholas
      The influential Whitehall studies found that top-ranking civil servants in Britain experienced lower mortality than civil servants below them in the organizational hierarchy due to differential exposure to workplace stress. I test for a Whitehall effect in the United... View Details
      Keywords: Mortality; Status; Working Conditions; Rank and Position; Welfare; Well-being; Health
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      Nicholas, Tom. "Status and Mortality: Is There a Whitehall Effect in the United States?" Economic History Review 76, no. 3 (August 2023): 1191–1230.
      • 2023
      • Conference Presentation

      Defending White Hegemonic Masculinity: A Test of the Projective Identification Hypothesis

      By: R. Ely, Sanaz Mobasseri and C. Chu
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      Ely, R., Sanaz Mobasseri, and C. Chu. "Defending White Hegemonic Masculinity: A Test of the Projective Identification Hypothesis." Paper presented at the European Group for Organizational Studies (EGOS) Conference, Cagliari, Italy, 2023.
      • July 2023
      • Article

      Design and Analysis of Switchback Experiments

      By: Iavor I Bojinov, David Simchi-Levi and Jinglong Zhao
      In switchback experiments, a firm sequentially exposes an experimental unit to a random treatment, measures its response, and repeats the procedure for several periods to determine which treatment leads to the best outcome. Although practitioners have widely adopted... View Details
      Keywords: Switchback Experiments; Design; Analysis; Mathematical Methods
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      Bojinov, Iavor I., David Simchi-Levi, and Jinglong Zhao. "Design and Analysis of Switchback Experiments." Management Science 69, no. 7 (July 2023): 3759–3777.
      • 2023
      • Working Paper

      Keep Your Enemies Closer: Strategic Platform Adjustments during U.S. and French Elections

      By: Rafael Di Tella, Randy Kotti, Caroline Le Pennec and Vincent Pons
      A key tenet of representative democracy is that politicians' discourse and policies should follow voters' preferences. In the median voter theorem, this outcome emerges as candidates strategically adjust their platform to get closer to their opponent. Despite its... View Details
      Keywords: Political Ideology; Political Elections; United States; France
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      Di Tella, Rafael, Randy Kotti, Caroline Le Pennec, and Vincent Pons. "Keep Your Enemies Closer: Strategic Platform Adjustments during U.S. and French Elections." NBER Working Paper Series, No. 31503, July 2023.
      • 2023
      • Working Paper

      The Complexity of Economic Decisions

      By: Xavier Gabaix and Thomas Graeber
      We propose a theory of the complexity of economic decisions. Leveraging a macroeconomic framework of production functions, we conceptualize the mind as a cognitive economy, where a task’s complexity is determined by its composition of cognitive operations. Complexity... View Details
      Keywords: Decisions; Complexity; Perception; Consumer Behavior; Production
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      Gabaix, Xavier, and Thomas Graeber. "The Complexity of Economic Decisions." Harvard Business School Working Paper, No. 24-049, February 2024.
      • 2023
      • Working Paper

      The Market for Sharing Interest Rate Risk: Quantities and Asset Prices

      By: Ishita Sen, Umang Khetan, Jane Li and Ioana Neamtu
      We study the extent of interest rate risk sharing across the financial system using granular positions and transactions data in interest rate swaps. We show that pension and insurance (PF&I) sector emerges as a natural counterparty to banks and corporations: overall,... View Details
      Keywords: Interest Rates; Investment Funds; Banks and Banking; Insurance; Investment Banking; Risk and Uncertainty
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      Sen, Ishita, Umang Khetan, Jane Li, and Ioana Neamtu. "The Market for Sharing Interest Rate Risk: Quantities and Asset Prices." Harvard Business School Working Paper, No. 24-052, February 2024.
      • June 2023 (Revised July 2024)
      • Case

      Biogen and the Aduhelm Melee

      By: Amitabh Chandra and Lauren Gunasti
      Alzheimer's Disease is a devastating condition affecting millions of Americans. At this time, there is no cure. In 2021, Biogen's Aduhelm (aducanumab) received FDA approval under the accelerated approval pathway after a controversial approval process.

      This... View Details
      Keywords: Health Testing and Trials; Governing Rules, Regulations, and Reforms; Valuation; Product Development; Pharmaceutical Industry
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      Chandra, Amitabh, and Lauren Gunasti. "Biogen and the Aduhelm Melee." Harvard Business School Case 623-046, June 2023. (Revised July 2024.)
      • June 2023
      • Supplement

      Roche: ESG and Access to Healthcare

      By: George Serafeim
      In May 2022, Roche Group, one of the largest healthcare companies in the world, hosted its first ESG investor event focused exclusively on its efforts to impact access to healthcare. While Roche had recently set an ambitious goal to double the number of patients that... View Details
      Keywords: ESG (Environmental, Social, Governance) Performance; Sustainable Finance; Growth Strategy And Execution; Sustainability Targets; Impact Evaluation; Healthcare Access; Healthcare Innovation; Healthcare Systems; Healthcare Operations; Finance; Strategy; Health Testing and Trials; Health Care and Treatment; Growth Management; Measurement and Metrics; Innovation Strategy; Corporate Social Responsibility and Impact; Health Industry; Pharmaceutical Industry; Switzerland; North America; Europe; Asia; Latin America; Africa
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      Serafeim, George. "Roche: ESG and Access to Healthcare." Harvard Business School Multimedia/Video Supplement 123-713, June 2023.
      • June 2023
      • Simulation

      Artea Dashboard and Targeting Policy Evaluation

      By: Ayelet Israeli and Eva Ascarza
      Companies deploy A/B experiments to gain valuable insights about their customers in order to answer strategic business problems. In marketing, A/B tests are often used to evaluate marketing interventions intended to generate incremental outcomes for the firm. The Artea... View Details
      Keywords: Algorithm Bias; Algorithmic Data; Race And Ethnicity; Experimentation; Promotion; Marketing And Society; Big Data; Privacy; Data-driven Management; Data Analysis; Data Analytics; E-Commerce Strategy; Discrimination; Targeted Advertising; Targeted Policies; Pricing Algorithms; A/B Testing; Ethical Decision Making; Customer Base Analysis; Customer Heterogeneity; Coupons; Marketing; Race; Gender; Diversity; Customer Relationship Management; Marketing Communications; Advertising; Decision Making; Ethics; E-commerce; Analytics and Data Science; Retail Industry; Apparel and Accessories Industry; United States
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      Israeli, Ayelet, and Eva Ascarza. "Artea Dashboard and Targeting Policy Evaluation." Harvard Business School Simulation 523-707, June 2023.
      • 2023
      • Working Paper

      Design-Based Confidence Sequences: A General Approach to Risk Mitigation in Online Experimentation

      By: Dae Woong Ham, Michael Lindon, Martin Tingley and Iavor Bojinov
      Randomized experiments have become the standard method for companies to evaluate the performance of new products or services. In addition to augmenting managers’ decision-making, experimentation mitigates risk by limiting the proportion of customers exposed to... View Details
      Keywords: Performance Evaluation; Research and Development; Analytics and Data Science; Consumer Behavior
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      Ham, Dae Woong, Michael Lindon, Martin Tingley, and Iavor Bojinov. "Design-Based Confidence Sequences: A General Approach to Risk Mitigation in Online Experimentation." Harvard Business School Working Paper, No. 23-070, May 2023.
      • June 2023
      • Article

      National Customer Orientation: An Empirical Test across 112 Countries

      By: Ofer Mintz, Imran S. Currim and Rohit Deshpandé
      Customer orientation is a central tenet of marketing. However, less is known about how customer orientation varies across countries and time. Mintz, Currim, and Deshpandé (Eur. J. Mark., 56: 1014–1041, 2022) propose a country-level construct, national customer... View Details
      Keywords: Global Range; Customer Focus and Relationships
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      Mintz, Ofer, Imran S. Currim, and Rohit Deshpandé. "National Customer Orientation: An Empirical Test across 112 Countries." Marketing Letters 34, no. 2 (June 2023): 189–204.
      • May 2023 (Revised June 2023)
      • Supplement

      Novartis (C): Reimagining Medicine

      By: Ramon Casadesus-Masanell, Claudio Feser, Karolin Frankenberger and David Redaschi
      This case unfolds around the first-ever approved personalized cancer treatment, how Novartis wrapped it into a new business model design, and how Novartis scaled it. Novartis — one of the largest pharmaceutical companies in the world — is, among other ventures,... View Details
      Keywords: Health Testing and Trials; Health Care and Treatment; Business Model; Problems and Challenges; Pharmaceutical Industry; Switzerland
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      Casadesus-Masanell, Ramon, Claudio Feser, Karolin Frankenberger, and David Redaschi. "Novartis (C): Reimagining Medicine." Harvard Business School Supplement 723-445, May 2023. (Revised June 2023.)
      • May 2023
      • Article

      Equilibrium Effects of Pay Transparency

      By: Zoë B. Cullen and Bobak Pakzad-Hurson
      The public discourse around pay transparency has focused on the direct effect: how workers seek to rectify newly-disclosed pay inequities through renegotiations. The question of how wage-setting and hiring practices of the firm respond in equilibrium has received... View Details
      Keywords: Pay Transparency; Online Labor Market; Privacy; Wage Gap; Corporate Disclosure; Wages; Negotiation
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      Cullen, Zoë B., and Bobak Pakzad-Hurson. "Equilibrium Effects of Pay Transparency." Econometrica 91, no. 3 (May 2023): 765–802. (Lead Article.)
      • April 2023
      • Article

      A Field Experiment on Subgoal Framing to Boost Volunteering: The Trade-off Between Goal Granularity and Flexibility

      By: Aneesh Rai, Marissa A. Sharif, Edward H. Chang, Katherine L. Milkman and Angela L. Duckworth
      Research suggests that breaking overarching goals into more granular subgoals is beneficial for goal progress. However, making goals more granular often involves reducing the flexibility provided to complete them, and recent work shows that flexibility can also be... View Details
      Keywords: Goals and Objectives; Outcome or Result; Performance Improvement
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      Rai, Aneesh, Marissa A. Sharif, Edward H. Chang, Katherine L. Milkman, and Angela L. Duckworth. "A Field Experiment on Subgoal Framing to Boost Volunteering: The Trade-off Between Goal Granularity and Flexibility." Journal of Applied Psychology 108, no. 4 (April 2023): 621–634.
      • April 2023
      • Article

      Racial Inequality in Work Environments

      By: Letian Zhang
      This article explores racial stratification in work environments. Inequality scholars have long identified racial disparities in wage and occupational attainment, but workers’ careers and well-being are also shaped by elements of their work environment, including firm... View Details
      Keywords: Discrimination; Race; Equality and Inequality; Working Conditions; Personal Development and Career; Organizational Culture
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      Zhang, Letian. "Racial Inequality in Work Environments." American Sociological Review 88, no. 2 (April 2023): 252–283.
      • April 2023
      • Article

      The Subjective Expected Utility Approach and a Framework for Defining Project Risk in Terms of Novelty and Feasibility—A Response to Franzoni and Stephan (2023), ‘Uncertainty and Risk-Taking in Science’

      By: Jacqueline N. Lane
      In their Discussion Paper, Franzoni and Stephan (F&S, 2023) discuss the shortcomings of existing peer review models in shaping the funding of risky science. Their discussion offers a conceptual framework for incorporating risk into peer review models of research... View Details
      Keywords: Risk and Uncertainty; Research; Resource Allocation; Perception
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      Lane, Jacqueline N. "The Subjective Expected Utility Approach and a Framework for Defining Project Risk in Terms of Novelty and Feasibility—A Response to Franzoni and Stephan (2023), ‘Uncertainty and Risk-Taking in Science’." Art. 104707. Research Policy 52, no. 3 (April 2023).
      • March 2023
      • Case

      Moderna

      By: Marco Iansiti, Karim R. Lakhani, Hannah Mayer, Kerry Herman, Allison J. Wigen and Dave Habeeb
      This multimedia case follows the story of Moderna and its entry into vaccine development in the wake of the COVID-19 pandemic. In summer 2020, Stephane Bancel, CEO of biotech firm Moderna, faces several challenges as his company races to develop a vaccine for COVID-19.... View Details
      Keywords: Health Pandemics; Research and Development; Digital Transformation; Health Testing and Trials; Biotechnology Industry; Pharmaceutical Industry
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      Iansiti, Marco, Karim R. Lakhani, Hannah Mayer, Kerry Herman, Allison J. Wigen, and Dave Habeeb. "Moderna." Harvard Business School Multimedia/Video Case 623-703, March 2023. (Click here to access this case.)
      • March 2023
      • Case

      MrBeast: Building a YouTube Empire

      By: Anita Elberse and Oliver Band
      Wednesday November 16, 2022 was a historic day in the ascent of Jimmy Donaldson, better known as MrBeast, to the top echelon of YouTube creators. That day he became the YouTuber with the most subscribers ever—a total of 112 million. The meteoric rise of the 24-year-old... View Details
      Keywords: Philanthropy and Charitable Giving; Power and Influence; Internet and the Web; Entrepreneurship; Growth and Development Strategy; Motion Pictures and Video Industry; Entertainment and Recreation Industry
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      Elberse, Anita, and Oliver Band. "MrBeast: Building a YouTube Empire." Harvard Business School Case 523-103, March 2023.
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