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- All HBS Web (1,405)
- Faculty Publications (460)
- 2016
- Working Paper
Entrepreneurship and Public Health Insurance
By: Gareth Olds
I examine the relationship between public health insurance and firm formation. Developing a variant of regression discontinuity, I find the Child Health Insurance Program lowered the child uninsured rate by 40% and increased self-employment by 15%. Monte Carlo evidence... View Details
Olds, Gareth. "Entrepreneurship and Public Health Insurance." Harvard Business School Working Paper, No. 16-144, June 2016.
- 17 Oct 2016
- HBS Seminar
Nicholas Bloom, Stanford University
- 22 Apr 2020
- Research Event
How Investors Are Sizing Up Climate Change’s Risks—and Opportunities
Until a few years ago, climate change’s potential impact seemed abstract for many investors. Now, as sea levels rise, hurricanes intensify, and droughts threaten food supplies, many investors are confronting its financial realities. But it’s not a simple calculation.... View Details
- 2020
- Working Paper
Social Interactions in Pandemics: Fear, Altruism, and Reciprocity
By: Laura Alfaro, Ester Faia, Nora Lamersdorf and Farzad Saidi
In SIR models, homogeneous or with a network structure, infection rates are assumed to be exogenous. However, individuals adjust their behavior. Using daily data for 89 cities worldwide, we document that mobility falls in response to fear, as approximated by Google... View Details
Keywords: Social Interactions; Pandemics; Mobility; Cities; SIR Networks; Social Preferences; Social Planner; Targeted Policies; Health Pandemics; Interpersonal Communication; Behavior; Policy
Alfaro, Laura, Ester Faia, Nora Lamersdorf, and Farzad Saidi. "Social Interactions in Pandemics: Fear, Altruism, and Reciprocity." NBER Working Paper Series, No. 27134, May 2020.
- 2024
- Working Paper
How Do Global Portfolio Investors Hedge Currency Risk?
By: Robin Greenwood and Alex Cheema-Fox
We use monthly portfolio data from one of the world’s largest custodian banks, with over $40 trillion assets under custody, to study how global portfolio investors hedge foreign exchange risk in their equity and fixed income portfolios over the past 25 years. The data... View Details
Greenwood, Robin, and Alex Cheema-Fox. "How Do Global Portfolio Investors Hedge Currency Risk?" Working Paper, October 2024.
- 2020
- Working Paper
Paying It Backward and Forward: Expanding Access to Convalescent Plasma Therapy Through Market Design
By: Scott Duke Kominers, Parag A. Pathak, Tayfun Sönmez and M. Utku Ünver
COVID-19 convalescent plasma (CCP) therapy is currently a leading treatment for COVID-19. At present, there is a shortage of CCP relative to demand. We develop and analyze a model of centralized CCP allocation that incorporates both donation and distribution. In order... View Details
Keywords: COVID-19; Convalescent Plasma; Vouchers; Health Pandemics; Health Care and Treatment; Resource Allocation; Market Design
Kominers, Scott Duke, Parag A. Pathak, Tayfun Sönmez, and M. Utku Ünver. "Paying It Backward and Forward: Expanding Access to Convalescent Plasma Therapy Through Market Design." Harvard Business School Working Paper, No. 20-116, May 2020. (NBER Working Paper Series, No. 27143, May 2020.)
- 18 Dec 2007
- First Look
First Look: December 18, 2007
Working PapersHappiness, Contentment and Other Emotions for Central Banks Authors:Rafael Di Tella and Robert MacCulloch Abstract We show that data on satisfaction with life from over 600,000 Europeans are negatively correlated with the unemployment View Details
Keywords: Martha Lagace
- September 2008
- Case
Samoa Tala
By: Joshua D. Coval, Bhagwan Chowdhry and Konark Saxena
This case examines currency risks faced by Microfinance Institutions, and evaluates strategies to hedge them in countries with pegged currency regimes and no derivatives markets. An MFI based in Western Samoa borrows in different currencies like the US dollar and the... View Details
Keywords: Cash Flow; Currency Exchange Rate; Microfinance; Risk and Uncertainty; Financial Services Industry; Samoa
Coval, Joshua D., Bhagwan Chowdhry, and Konark Saxena. "Samoa Tala." Harvard Business School Case 209-053, September 2008.
- 09 Mar 2012
- Working Paper Summaries
Causes and Consequences of Firm Disclosures of Anticorruption Efforts
Keywords: by Paul Healy & George Serafeim
- Research Summary
Choice Amnesia: Motivated Forgetting of Difficult Choices
Imagine having to choose between your two favorite flavors of ice cream, chocolate and mint chip. Previous work suggests that whichever option you pick (say, chocolate) will become even more appealing after your decision, and the rejected option (mint chip) will get... View Details
- 2011
- Working Paper
Fractionalization and the Municipal Bond Market
We study the impact of ethnic and religious fractionalization on the U.S. municipal debt market and find that issuers from more ethnically and religiously fractionalized counties pay higher yields on their municipal debt. A two standard deviation increase in religious... View Details
Keywords: Ethnicity Characteristics; Bonds; Financial Markets; Investment Return; Geographic Location; City; Religion; United States
Bergstresser, Daniel, Randolph Cohen, and Siddharth Shenai. "Fractionalization and the Municipal Bond Market." Harvard Business School Working Paper, No. 11-128, June 2011.
- March 2008 (Revised April 2009)
- Case
Eliot Spitzer: Pushing Wall Street to Reform
By: Rawi Abdelal, Rafael Di Tella and Jonathan Schlefer
New York State Attorney General Eliot Spitzer faced a decision about how to stop wrongdoing committed by major Wall Street firms during the Internet boom. The equities analysts of Merrill Lynch and other Wall Street firms were charged with objectively advising retail... View Details
Keywords: Crime and Corruption; Decisions; Financial Institutions; Stocks; Governing Rules, Regulations, and Reforms; Laws and Statutes; Lawsuits and Litigation; Conflict of Interests; Internet; Financial Services Industry; United States
Abdelal, Rawi, Rafael Di Tella, and Jonathan Schlefer. "Eliot Spitzer: Pushing Wall Street to Reform." Harvard Business School Case 708-019, March 2008. (Revised April 2009.)
- 11 Dec 2018
- First Look
New Research and Ideas, December 11, 2018
Betfair was an underfunded second mover in the betting exchange space, it was able to attract punters at a much faster rate than the better-funded first mover, Flutter. Moreover, while Betfair and... View Details
Keywords: Dina Gerdeman
- 2023
- Working Paper
Insufficiently Justified Disparate Impact: A New Criterion for Subgroup Fairness
By: Neil Menghani, Edward McFowland III and Daniel B. Neill
In this paper, we develop a new criterion, "insufficiently justified disparate impact" (IJDI), for assessing whether recommendations (binarized predictions) made by an algorithmic decision support tool are fair. Our novel, utility-based IJDI criterion evaluates false... View Details
Menghani, Neil, Edward McFowland III, and Daniel B. Neill. "Insufficiently Justified Disparate Impact: A New Criterion for Subgroup Fairness." Working Paper, June 2023.
- March 2006
- Module Note
Valuing Cross-Border Investments
By: Mihir A. Desai and Kathleen Luchs
Describes a core module in the International Finance course at Harvard Business School. The module explores how valuation differs in an international context and introduces students to the major issues in cross-border valuations: how to value investments in currencies... View Details
Keywords: International Accounting; Currency Exchange Rate; Investment; Framework; Cross-Cultural and Cross-Border Issues; Body of Literature; Risk Management; Projects; Valuation
Desai, Mihir A., and Kathleen Luchs. "Valuing Cross-Border Investments." Harvard Business School Module Note 206-125, March 2006.
- November 2010 (Revised December 2011)
- Supplement
Oriflame S.A. (C)
By: David F. Hawkins and Karol Misztal
Notes from Oriflame's 2009 annual report relevant to the assessment of the monetary impact of Oriflame's FX risk management actions. View Details
Keywords: Financial Reporting; Financial Statements; International Accounting; Currency Exchange Rate; Annual Reports; Management Analysis, Tools, and Techniques; Risk Management; Standards; Beauty and Cosmetics Industry
Hawkins, David F., and Karol Misztal. "Oriflame S.A. (C)." Harvard Business School Supplement 111-052, November 2010. (Revised December 2011.)
- March 2023 (Revised April 2024)
- Case
Allianz Türkiye: Adapting to Climate Change
By: John D. Macomber and Fares Khrais
Allianz Turkey is a property casualty insurance company operating in a region experiencing increasing losses from natural catastrophe events related to climate change, for example hail, wildfire, and flooding. There are also substantial other natural catastrophe... View Details
Keywords: Insurance And Reinsurance; Natural Disasters; Turkey; Insurance; Climate Change; Analytics and Data Science; Insurance Industry; Financial Services Industry; Turkey
Macomber, John D., and Fares Khrais. "Allianz Türkiye: Adapting to Climate Change." Harvard Business School Case 223-074, March 2023. (Revised April 2024.)
- 06 Dec 2011
- Working Paper Summaries
What Impedes Oil and Gas Companies’ Transparency?
- 09 Sep 2008
- First Look
First Look: September 9, 2008
Working PapersHow Firms Respond to Being Rated Authors:Aaron K. Chatterji, Michael W. Toffel Abstract While many independent rating systems are designed primarily to help buyers overcome information... View Details
Keywords: Sean Silverthorne
- Article
The End of Chimerica
For the better part of the past decade, the world economy has been marked by an economic order that combined Chinese export-led development with U.S. over-consumption. The financial crisis of 2007-09 likely marks the beginning of the end of the Chimerican relationship.... View Details
Ferguson, Niall, and Moritz Schularick. "The End of Chimerica." International Finance 14, no. 1 (Spring 2011): 1–26.