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- All HBS Web (359)
- Faculty Publications (63)
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- All HBS Web (359)
- Faculty Publications (63)
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- February 2007
- Article
Strategic Bidder Behavior in Sponsored Search Auctions
By: Benjamin Edelman and Michael Ostrovsky
We examine sponsored search auctions run by Overture (now part of Yahoo!) and Google and present evidence of strategic bidder behavior in these auctions. Between June 15, 2002, and June 14, 2003, we estimate that Overture's revenue from sponsored search might have been... View Details
Keywords: Auctions; Strategy; Behavior; Revenue; Performance Efficiency; Bids and Bidding; Search Technology
Edelman, Benjamin, and Michael Ostrovsky. "Strategic Bidder Behavior in Sponsored Search Auctions." Decision Support Systems 43, no. 1 (February 2007): 192–198. (Winner of Emerald Citations of Excellence.)
- 2014
- Working Paper
Dodging the Taxman: Firm Misreporting and Limits to Tax Enforcement
By: Paul Carrillo, Dina Pomeranz and Monica Singhal
Reducing tax evasion is a key priority for many governments, particularly in developing countries. A growing literature has argued that the ability to verify taxpayer self-reports against reports from third parties is critical for modern tax enforcement and the growth... View Details
Carrillo, Paul, Dina Pomeranz, and Monica Singhal. "Dodging the Taxman: Firm Misreporting and Limits to Tax Enforcement." Harvard Business School Working Paper, No. 15-026, October 2014. (R&R at AEJ Applied. Note: Previously circulated as "Tax Me if You Can: Firm Misreporting Behavior and Evasion Substitution.")
- Research Summary
Selection, Reallocation, and Spillover: Identifying the Sources of Gains from Multinational Production (with Maggie Chen)
By: Laura Alfaro
Quantifying the gains from multinational production has been a vital topic of economic research. Positive productivity gains are often attributed to knowledge spillover from multinational to domestic firms. An alternative, less stressed explanation is firm selection... View Details
- April 2020 (Revised October 2021)
- Case
SpaceX, Economies of Scale, and a Revolution in Space Access
By: Matthew C. Weinzierl, Kylie Lucas and Mehak Sarang
From the time he transformed the world of online banking, Elon Musk established himself as a bold innovator. After selling X.com to PayPal in 2002, he founded a series of revolutionary start-ups, starting with Space Exploration Technologies (SpaceX). Hoping to "make... View Details
Keywords: Space Tech; Space Access; Vision; Economies Of Scale; Technological Innovation; Emerging Markets; Commercialization; Finance; Aerospace Industry
Weinzierl, Matthew C., Kylie Lucas, and Mehak Sarang. "SpaceX, Economies of Scale, and a Revolution in Space Access." Harvard Business School Case 720-027, April 2020. (Revised October 2021.)
- Article
Tax Aversion in Labor Supply
By: Judd B. Kessler and Michael I. Norton
In a real-effort laboratory experiment, labor supply decreases more with the introduction of a tax than with a financially equivalent drop in wages. This “tax aversion” is large in magnitude: when we decompose the productivity decrease that arises from taxation, we... View Details
Keywords: Taxes; Labor Supply; Productivity; Experiments; Wages; Human Capital; Performance Productivity; Taxation
Kessler, Judd B., and Michael I. Norton. "Tax Aversion in Labor Supply." Special Issue on Taxation, Social Norms and Compliance. Journal of Economic Behavior & Organization 124 (April 2016): 15–28.
- Winter 2016
- Article
Analytics for an Online Retailer: Demand Forecasting and Price Optimization
By: Kris J. Ferreira, Bin Hong Alex Lee and David Simchi-Levi
We present our work with an online retailer, Rue La La, as an example of how a retailer can use its wealth of data to optimize pricing decisions on a daily basis. Rue La La is in the online fashion sample sales industry, where they offer extremely limited-time... View Details
Ferreira, Kris J., Bin Hong Alex Lee, and David Simchi-Levi. "Analytics for an Online Retailer: Demand Forecasting and Price Optimization." Manufacturing & Service Operations Management 18, no. 1 (Winter 2016): 69–88.
- December 2006 (Revised October 2016)
- Case
eClinicalWorks: The Paths to Growth
By: Robert F. Higgins and Mark Rennella
In January 2006, eClinicalWorks (eCW) had an acquisition opportunity that could fundamentally change the way they had done business since the inception of the company in 1999. eClinicalWorks was a privately run business in the healthcare information technology field... View Details
Keywords: Young Companies; Strategic Revelation; Strategy And Execution; Strategy Development; Strategy And Leadership; Financing Strategy; Financing Risk; Financing; Expansion; Business Growth and Maturation; Organizational Culture; Financing and Loans; Customer Focus and Relationships; Acquisition; Growth and Development Strategy; Information Technology Industry; Health Industry; Massachusetts
Higgins, Robert F., and Mark Rennella. "eClinicalWorks: The Paths to Growth." Harvard Business School Case 807-025, December 2006. (Revised October 2016.)
- October, 2022
- Article
The Economic Dynamics of Competing Power Generation Sources
By: Gunther Glenk and Stefan Reichelstein
Competing power generation sources have experienced considerable shifts in both their revenue potential and their costs in recent years. Here we introduce the concept of Levelized Profit Margins (LPM) to capture the changing unit economics of both intermittent and... View Details
Keywords: Renewable Energy; Intermittant; Cost Accounting; Profitability Analysis; Learning-by-doing; Cannibalization Effect; Energy; Environmental Management; Investment; Operations; Technological Innovation; Energy Industry; Utilities Industry; Industrial Products Industry; Manufacturing Industry; Europe; North America; South America; Africa; Asia
Glenk, Gunther, and Stefan Reichelstein. "The Economic Dynamics of Competing Power Generation Sources." Art. 112758. Renewable and Sustainable Energy Reviews 168 (October, 2022).
- July 2007 (Revised February 2010)
- Case
Saffronart.com: Bidding for Success
By: Mukti Khaire and R. Daniel Wadhwani
Saffronart, a five-year-old online art auction company, leads the market for modern Indian art and now faces competitors in the market it created. Established in 2000 by the wife-and-husband team of Minal and Dinesh Vazirani, Saffronart.com is an innovative online... View Details
Keywords: Arts; Business Startups; Entrepreneurship; Auctions; Industry Growth; Competition; Online Technology; Fine Arts Industry; India
Khaire, Mukti, and R. Daniel Wadhwani. "Saffronart.com: Bidding for Success." Harvard Business School Case 808-027, July 2007. (Revised February 2010.)
- February 2009
- Article
GHG Trading Framework for the U.S. Biofuels Sector
By: Subbu Kumarappan and Satish V. Joshi
Substitution of petroleum fuels with biofuels such as ethanol and biodiesel has been shown to reduce greenhouse gas (GHG) emissions. These GHG reductions can be traded in the emerging carbon markets, and methodologies for quantifying and trading are still being... View Details
Keywords: Climate Change; Environmental Sustainability; Energy Sources; Energy Industry; United States
Kumarappan, Subbu, and Satish V. Joshi. "GHG Trading Framework for the U.S. Biofuels Sector." Transition to a Bioeconomy: Environmental and Rural Development Impacts (February 2009), 78–95.
- 2025
- Working Paper
Exports in Disguise? Trade Rerouting During the U.S.-China Trade War
By: Ebehi Iyoha, Edmund Malesky, Jaya Wen and Sung-Ju Wu
This paper introduces a new measure of tariff evasion through rerouting and applies it to the
2018 U.S.–China trade war, focusing on Vietnam as a transit country. We use transaction-level trade data and define rerouting as the flow of a granular eight-digit Harmonized... View Details
Iyoha, Ebehi, Edmund Malesky, Jaya Wen, and Sung-Ju Wu. "Exports in Disguise? Trade Rerouting During the U.S.-China Trade War." Harvard Business School Working Paper, No. 24-072, May 2024. (Revised March 2025.)
- September 2012 (Revised July 2014)
- Case
Blackstone's Investment in Intelenet
By: Josh Lerner, Sandeep Bapat and Rachna Tahilyani
Three years had passed since Blackstone's investment in Intelenet Global Services, their third largest investment in India. Great progress had been made, but now a new challenge loomed. Globank, a large global bank, was Intelenet's largest customer. Intelenet's... View Details
Lerner, Josh, Sandeep Bapat, and Rachna Tahilyani. "Blackstone's Investment in Intelenet." Harvard Business School Case 213-036, September 2012. (Revised July 2014.)
- January 2014 (Revised June 2015)
- Case
Amgen Inc.: Pursuing Innovation and Imitation? (A)
By: Ian W. Mackenzie
Set in 2009, the (A) case explores whether Amgen, a leading innovator of biotech-based drugs, should enter the emerging business of biosimilars (BS), which are essentially 'me-too' products. There appear to be sound reasons to explore this related diversification:... View Details
Mackenzie, Ian W. "Amgen Inc.: Pursuing Innovation and Imitation? (A)." Harvard Business School Case 714-424, January 2014. (Revised June 2015.)
- February 2014
- Article
Responses to Entry in Multi-Sided Markets: The Impact of Craigslist on Local Newspapers
By: Robert Seamans and Feng Zhu
How do firms respond to entry in multi-sided markets? We address this question by studying the impact of Craigslist, a website providing classified-advertising services, on local U.S. newspapers. We exploit temporal and geographical variation in Craigslist's entry to... View Details
Keywords: Digital Platforms; Market Entry and Exit; Internet and the Web; Newspapers; Advertising; Advertising Industry; Journalism and News Industry
Seamans, Robert, and Feng Zhu. "Responses to Entry in Multi-Sided Markets: The Impact of Craigslist on Local Newspapers." Management Science 60, no. 2 (February 2014): 476–493.
- 2025
- Working Paper
Tax Planning, Illiquidity, and Credit Risks: Evidence from DeFi Lending
By: Lisa De Simone, Peiyi Jin and Daniel Rabetti
This study establishes a plausible causal link between tax-planning-induced illiquidity and credit risks in lending markets. Exploiting an exogenous tax shock imposed by the Internal Revenue Service (IRS) on cryptocurrency gains, along with millions of transactions in... View Details
Keywords: Cryptocurrency; Taxation; Financial Liquidity; Credit; Financing and Loans; Financial Markets
De Simone, Lisa, Peiyi Jin, and Daniel Rabetti. "Tax Planning, Illiquidity, and Credit Risks: Evidence from DeFi Lending." Working Paper, February 2025.
- January 2023 (Revised August 2023)
- Case
Veeva Systems and the Transformation to a Public Benefit Corporation
By: Ranjay Gulati and Allison M. Ciechanover
Peter Gassner, the co-founder and CEO of Veeva Systems, steered the company through rapid scaling from its launch in 2007 to 2022. Year after year, the company had exceeded expectations, with its market capitalization reaching $50 billion at its peak. By 2022, the... View Details
Keywords: Transformation; Corporate Governance; Corporate Social Responsibility and Impact; Mission and Purpose; Organizational Culture; Information Technology Industry; Technology Industry; United States; California
Gulati, Ranjay, and Allison M. Ciechanover. "Veeva Systems and the Transformation to a Public Benefit Corporation." Harvard Business School Case 423-045, January 2023. (Revised August 2023.)
- February 2017
- Article
How Much Is a Win Worth? An Application to Intercollegiate Athletics
By: Doug J. Chung
Intercollegiate athletics in the United States have become a multibillion-dollar industry over the past several decades. In this study, we investigate the short- and long-term direct monetary effects of operating a winning athletics program for an academic institution... View Details
Keywords: Dynamic Panel Data; Heterogeneity; Instrumental Variables; Intercollegiate Athletics; Educational Finance; Entertainment Marketing; Higher Education; Marketing; Sports; Revenue; Education Industry; United States
Chung, Doug J. "How Much Is a Win Worth? An Application to Intercollegiate Athletics." Management Science 63, no. 2 (February 2017): 548–565.
- 2020
- Working Paper
Aggregate and Firm-Level Stock Returns During Pandemics, in Real Time
By: Laura Alfaro, Anusha Chari, Andrew Greenland and Peter K. Schott
We show that unexpected changes in the trajectory of COVID-19 infections predict U.S. stock returns, in real time. Parameter estimates indicate that an unanticipated doubling (halving) of projected infections forecasts next-day decreases (increases) in aggregate U.S.... View Details
Keywords: COVID-19; Stock Returns; Health Pandemics; Stocks; Investment Return; Forecasting and Prediction
Alfaro, Laura, Anusha Chari, Andrew Greenland, and Peter K. Schott. "Aggregate and Firm-Level Stock Returns During Pandemics, in Real Time." NBER Working Paper Series, No. 26950, April 2020. (Revised May 2020.)
- 28 Oct 2014
- First Look
First Look: October 28
increase reported revenues, matching the third-party estimate when provided. Firms also increase reported costs by 96 cents for every dollar of revenue adjustment, resulting in minor increases in total tax... View Details
Keywords: Carmen Nobel
- June 2024 (Revised September 2024)
- Case
Major League Baseball: Changing the Rules of America's Pastime
By: Stephen A. Greyser, Mac Levin and Brent Schwarz
This case describes the efforts of Major League Baseball (MLB) to make meaningful changes in the rules affecting the ways the game is played. These changes are intended to speed the pace of the game and make it more appealing to younger fans. The principal changes... View Details
Keywords: Change Management; Age; Games, Gaming, and Gambling; Leading Change; Organizational Change and Adaptation; Demand and Consumers; Sports Industry
Greyser, Stephen A., Mac Levin, and Brent Schwarz. "Major League Baseball: Changing the Rules of America's Pastime." Harvard Business School Case 924-307, June 2024. (Revised September 2024.)