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- Faculty Publications (1,169)
Show Results For
- All HBS Web
(3,673)
- People (9)
- News (619)
- Research (2,463)
- Events (62)
- Multimedia (3)
- Faculty Publications (1,169)
- 2008
- Working Paper
I Am Not on the Market, I Am Here with Friends: Using On-Line Social Networks to Find a Job or a Spouse
By: Mikolaj Jan Piskorski
Sociologists have extensively documented that networks influence market exchange through improved matching and vouching. In this paper, I propose that networks can also blunt the signal of market participation, as actors who are on the market surrounded by their... View Details
- Article
Guanxi versus Networking: Distinctive Configurations of Affect- and Cognition-based Trust in the Networks of Chinese and American Managers
By: Roy Y.J. Chua, M.W. Morris and P. Ingram
This research investigates hypotheses about differences between Chinese and American managers in the configuration of trusting relationships within their professional networks. Consistent with hypotheses about Chinese familial collectivism, an egocentric network survey... View Details
Keywords: Cross-Cultural and Cross-Border Issues; Managerial Roles; Relationships; Cognition and Thinking; Emotions; Social and Collaborative Networks; Trust; China; United States
Chua, Roy Y.J., M.W. Morris, and P. Ingram. "Guanxi versus Networking: Distinctive Configurations of Affect- and Cognition-based Trust in the Networks of Chinese and American Managers." Journal of International Business Studies 40, no. 3 (April 2009): 480–508.
- 27 Feb 2023
- Research & Ideas
How One Late Employee Can Hurt Your Business: Data from 25 Million Timecards
authors reach their conclusions by correlating the timesheet records to a host of other data points, including daily store sales, scheduling practices, store traffic, and weather. In conducting their analyses, the researchers created a... View Details
- 2019
- Working Paper
The Effect of Payment Choices on Online Retail: Evidence from the 2016 Indian Demonetization
By: Chaithanya Bandi, Antonio Moreno, Donald Ngwe and Zhiji Xu
The Indian banknote demonetization in 2016 was one of the most significant international events of that year. Overnight, 86% of Indian currency in circulation was declared invalid unless exchanged for new bills. The sudden and unexpected demonetization constituted a... View Details
Keywords: Cash On Delivery; Online Retail; Product Returns; Payment Methods; Digitization; Emerging Markets; Currency; Internet and the Web; Demand and Consumers; Retail Industry; India
Bandi, Chaithanya, Antonio Moreno, Donald Ngwe, and Zhiji Xu. "The Effect of Payment Choices on Online Retail: Evidence from the 2016 Indian Demonetization." Harvard Business School Working Paper, No. 19-123, June 2019.
- September 2013
- Article
Cultures as Learning Laboratories: What Makes Some More Effective than Others?
By: Elaine Mosakowski, Goran Calic and P C Early
With a mandate to globalize, business school educators have increasingly embraced global service learning as an important technique for creating global mind-sets and enhancing cultural understanding in students. While we applaud this movement from the domestic to the... View Details
Keywords: Business Education; Learning; Cognition and Thinking; Cross-Cultural and Cross-Border Issues
Mosakowski, Elaine, Goran Calic, and P C Early. "Cultures as Learning Laboratories: What Makes Some More Effective than Others?" Academy of Management Learning & Education 12, no. 3 (September 2013): 512–526.
- 2021
- Working Paper
The Luck of the Draw: The Causal Effect of Physicians on Birth Outcomes
By: Arlen Guarin, Christian Posso, Estefania Saravia and Jorge Tamayo
Identifying the effect of physicians’ skills on health outcomes is a challenging task due to the nonrandom sorting between physicians and hospitals. We overcome this challenge by exploiting a Colombian government program that randomly assigned 2,126 physicians to 618... View Details
Keywords: Physicians' Health Skills; Health Birth Outcomes; Birthing Outcomes; Experimental Evidence; Health Care and Treatment; Competency and Skills; Outcome or Result; Health Industry; Colombia
Guarin, Arlen, Christian Posso, Estefania Saravia, and Jorge Tamayo. "The Luck of the Draw: The Causal Effect of Physicians on Birth Outcomes." Harvard Business School Working Paper, No. 22-015, February 2021. (R&R American Economic Journal.)
- 2006
- Article
Measuring the Effect of Multimarket Contact on Competition: Evidence from Mergers Following Radio Broadcast Ownership Deregulation
By: Joel Waldfogel and Julie Wulf
This paper examines the effects of multimarket contact on advertising prices in the U.S. radio broadcasting industry. While it is in general difficult to measure the effect of multimarket contact on competition, the 1996 Telecommunications Act substantially relaxed... View Details
Keywords: Marketing Communications; Markets; Geographic Location; Advertising; Ownership; Price; Telecommunications Industry; Media and Broadcasting Industry; United States
Waldfogel, Joel, and Julie Wulf. "Measuring the Effect of Multimarket Contact on Competition: Evidence from Mergers Following Radio Broadcast Ownership Deregulation." Art. 17. Contributions B.E. Journal of Economic Analysis & Policy 5, no. 1 (2006).
- Article
Petting Away Pre-exam Stress: The Effect of Therapy Dog Sessions on Student Well-being
By: Emma Ward-Griffin, Patrick Klaiber, Hanne Collins, Rhea L. Owens, Stanley Coren and Frances S Chen
Recently, many universities have implemented programmes in which therapy dogs and their handlers visit college campuses. Despite the immense popularity of therapy dog sessions, few randomized studies have empirically tested the efficacy of such programmes. The present... View Details
Ward-Griffin, Emma, Patrick Klaiber, Hanne Collins, Rhea L. Owens, Stanley Coren, and Frances S Chen. "Petting Away Pre-exam Stress: The Effect of Therapy Dog Sessions on Student Well-being." Stress & Health 34, no. 3 (August 2018): 468–473.
- 2016
- Working Paper
Private Networks of Managers and Financial Analysts and Their Externality on a Firm's Information Environment
By: Zengquan Li, T.J. Wong and Gwen Yu
When emerging market firms raise external capital, they face a tradeoff where greater transparency may lead to a lower cost of capital but at the cost of revealing proprietary information in their relational business practices. We find that firms overcome this... View Details
Keywords: Emerging Market; Financial Analysts; Information; Emerging Markets; Forecasting and Prediction; Corporate Governance
Li, Zengquan, T.J. Wong, and Gwen Yu. "Private Networks of Managers and Financial Analysts and Their Externality on a Firm's Information Environment." Harvard Business School Working Paper, No. 16-135, June 2016. (Revised October 2016.)
- Forthcoming
- Article
Black Empowerment and White Mobilization: The Effects of the Voting Rights Act
By: Andrea Bernini, Giovanni Facchini, Marco Tabellini and Cecilia Testa
How did southern whites respond to the 1965 Voting Rights Act (VRA)? Leveraging
newly digitized data on county-level voter registration by race between 1956 and
1980, and exploiting pre-determined variation in exposure to the federal intervention,
we document that... View Details
Bernini, Andrea, Giovanni Facchini, Marco Tabellini, and Cecilia Testa. "Black Empowerment and White Mobilization: The Effects of the Voting Rights Act." Journal of Political Economy (forthcoming). (Also available on Vox EU and VoxDev. Featured on HBS Working Knowledge.)
- September 2011
- Article
Political Instability: Effects on Financial Development, Roots in the Severity of Economic Inequality
By: Mark J. Roe and Jordan I. Siegel
We here bring forward strong evidence that political instability impedes financial development, with its variation a primary determinant of differences in financial development around the world. As such, it needs to be added to the short list of major determinants of... View Details
Keywords: Financial Development; Political Instability; Government and Politics; Finance; Growth and Development; Economics; Equality and Inequality
Roe, Mark J., and Jordan I. Siegel. "Political Instability: Effects on Financial Development, Roots in the Severity of Economic Inequality." Journal of Comparative Economics 39, no. 3 (September 2011): 279–309. (We here bring forward strong evidence that political instability impedes financial development, with its variation a primary determinant of differences in financial development around the world. As such, it needs to be added to the short list of major determinants of financial development. First, structural conditions first postulated by
Engerman and Sokoloff (2002) as generating long-term inequality are shown here empirically to be exogenous determinants of political instability. Second, that exogenously-determined political instability in turn holds back financial development, even when we control for factors prominent in the last decade's cross-country studies of
financial development. The findings indicate that inequality-perpetuating conditions that result in political instability are fundamental roadblocks for international organizations like the World Bank that seek to promote financial development. The evidence here includes country fixed effect regressions and an instrumental model inspired by Engerman and Sokoloff's (2002) work, which to our knowledge has not yet been used in finance and which is consistent with current tests as valid instruments. Four conventional measures of national political instability — Alesina and Perotti's (1996) well-known index of instability, a subsequent index derived from Banks' (2005) work,
and two indices of managerial perceptions of nation-by-nation political instability — persistently predict a wide range of national financial development outcomes for recent decades. Political instability's significance is time consistent in cross-sectional regressions back to the 1960's, the period when the key data becomes available, robust
in both country fixed-effects and instrumental variable regressions, and consistent across multiple measures of instability and of financial development. Overall, the results indicate the existence of an important channel running from structural inequality to political instability, principally in nondemocratic settings, and then to financial
backwardness. The robust significance of that channel extends existing work demonstrating the importance of political economy explanations for financial development and financial backwardness. It should help to better understand which policies will work for financial development, because political instability has causes, cures, and effects quite distinct from those of many of the key institutions most studied in the past decade as explaining financial backwardness.)
- 2025
- Article
Statistical Inference for Heterogeneous Treatment Effects Discovered by Generic Machine Learning in Randomized Experiments
By: Kosuke Imai and Michael Lingzhi Li
Researchers are increasingly turning to machine learning (ML) algorithms to investigate causal heterogeneity in randomized experiments. Despite their promise, ML algorithms may fail to accurately ascertain heterogeneous treatment effects under practical settings with... View Details
Imai, Kosuke, and Michael Lingzhi Li. "Statistical Inference for Heterogeneous Treatment Effects Discovered by Generic Machine Learning in Randomized Experiments." Journal of Business & Economic Statistics 43, no. 1 (2025): 256–268.
- August 2018 (Revised September 2018)
- Supplement
LendingClub (C): Gradient Boosting & Payoff Matrix
By: Srikant M. Datar and Caitlin N. Bowler
This case builds directly on the LendingClub (A) and (B) cases. In this case students follow Emily Figel as she builds an even more sophisticated model using the gradient boosted tree method to predict, with some probability, whether a borrower would repay or default... View Details
Keywords: Data Analytics; Data Science; Investment; Financing and Loans; Analytics and Data Science; Analysis; Forecasting and Prediction
Datar, Srikant M., and Caitlin N. Bowler. "LendingClub (C): Gradient Boosting & Payoff Matrix." Harvard Business School Supplement 119-022, August 2018. (Revised September 2018.)
- 2020
- Working Paper
Inventing the Endless Frontier: The Effects of the World War II Research Effort on Post-War Innovation
By: Daniel P. Gross and Bhaven N. Sampat
During World War II, the U.S. government launched an unprecedented effort to mobilize science for war: a newly-established Office of Scientific Research and Development (OSRD) entered thousands of R&D contracts with industrial and academic contractors, spending one to... View Details
Keywords: World War II; Vannevar Bush; OSRD; Mission-oriented R＆D; Direction Of Innovation; Geography Of Innovation; Technology Clusters; U.S. Innovation System; Innovation and Invention; Research and Development; Problems and Challenges; War; History; Government Administration; United States
Gross, Daniel P., and Bhaven N. Sampat. "Inventing the Endless Frontier: The Effects of the World War II Research Effort on Post-War Innovation." Harvard Business School Working Paper, No. 20-126, June 2020.
- Web
The MOC Affiliate Network Impact - Institute For Strategy And Competitiveness
HBS ISC Resources Resources Video Courses Data Events & Presentations Frameworks News Publications Courses The MOC Affiliate Networ... MOC Affiliate Network Impact Affiliates, Faculty, ALUMNI & Courses 124... View Details
- 2010 - 2010
- Conference Presentation
Teams at the Top: Revisiting the Structure and Effects of Strategic Work in Top Management
By: James R. Dillon
This paper examines the usage and effects of small work groups by top management in the course of guiding an organization's strategy process. Reviewing evidence from research literatures on strategy process, strategic leadership, and small groups, I propose that a... View Details
- 2020
- Working Paper
The Effects of Hierarchy on Learning and Performance in Business Experimentation
By: Sourobh Ghosh, Stefan Thomke and Hazjier Pourkhalkhali
Do senior managers help or hurt business experiments? Despite the widespread adoption of business experiments to guide strategic decision-making, we lack a scholarly understanding of what role senior managers play in firm experimentation. Using proprietary data of live... View Details
Keywords: Experimentation; Innovation; Search; New Product Development; Innovation and Invention; Organizational Design; Learning; Performance
Ghosh, Sourobh, Stefan Thomke, and Hazjier Pourkhalkhali. "The Effects of Hierarchy on Learning and Performance in Business Experimentation." Harvard Business School Working Paper, No. 20-081, February 2020.
- 30 Sep 2014
- Working Paper Summaries
The Real Effects of Capital Controls: Financial Constraints, Exporters, and Firm Investment
- August 2018 (Revised September 2018)
- Supplement
Predicting Purchasing Behavior at PriceMart (B)
By: Srikant M. Datar and Caitlin N. Bowler
Supplements the (A) case. In this case, Wehunt and Morse are concerned about the logistic regression model overfitting to the training data, so they explore two methods for reducing the sensitivity of the model to the data by regularizing the coefficients of the... View Details
Keywords: Data Science; Analytics and Data Science; Analysis; Customers; Household; Forecasting and Prediction
Datar, Srikant M., and Caitlin N. Bowler. "Predicting Purchasing Behavior at PriceMart (B)." Harvard Business School Supplement 119-026, August 2018. (Revised September 2018.)
- 28 Oct 2010
- Working Paper Summaries