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Show Results For
- All HBS Web
(3,668)
- People (9)
- News (620)
- Research (2,450)
- Events (56)
- Multimedia (3)
- Faculty Publications (1,159)
- 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 2020
- Article
How Multimedia Shape Crowdfunding Outcomes: The Overshadowing Effect of Images and Videos on Text in Campaign Information
By: J Yang, Y Li, Goran Calic and Anton Shevchenko
This study aims to explore the moderating effect of the number of images and videos on the relationship between text length in crowdfunding campaign descriptions and crowdfunding outcomes. We use data from 13,622 technology campaigns on the Kickstarter website to test... View Details
Keywords: Crowdfunding; Media; Cognition and Thinking; Performance Effectiveness; Entrepreneurial Finance
Yang, J., Y Li, Goran Calic, and Anton Shevchenko. "How Multimedia Shape Crowdfunding Outcomes: The Overshadowing Effect of Images and Videos on Text in Campaign Information." Journal of Business Research 117 (September 2020): 6–18.
- 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.
- 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.)
- 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.)
- 2014
- Other Teaching and Training Material
Marketing Reading: Creating Customer Value
By: Sunil Gupta
This Reading explores how firms can create value for their customers. The goal of any business is to delight customers by understanding its customers' needs and to provide products and services to meet those needs. As a result, it is critical to understand what... View Details
Keywords: Consumer Behavior; Consumer Marketing; Customer Experience; Network Effects; Service Profit Chain; Total Customer Value
Gupta, Sunil. "Marketing Reading: Creating Customer Value." Core Curriculum Readings Series. Boston: Harvard Business Publishing 8176, 2014.
- 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.
- 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.
- 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.)
- 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
- 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.
- 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
- 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.)
- October 2007
- Article
The Effectiveness of Pre-Release Advertising for Motion Pictures: An Empirical Investigation Using a Simulated Market
By: Anita Elberse and Bharat N. Anand
One of the most visible and publicized trends in the movie industry is the escalation in movie advertising expenditures over time. Yet, the returns to movie advertising are poorly understood. The main reason is that disentangling the causal effect of advertising on... View Details
Keywords: Advertising; Stocks; Investment Return; Price; Revenue; Quality; Mathematical Methods; Motion Pictures and Video Industry
Elberse, Anita, and Bharat N. Anand. "The Effectiveness of Pre-Release Advertising for Motion Pictures: An Empirical Investigation Using a Simulated Market." Information Economics and Policy 19, nos. 3-4 (October 2007): 319–343. (Special Issue on Economics of the Media.)
- 28 Oct 2010
- Working Paper Summaries
The Distinct Effects of Information Technology and Communication Technology on Firm Organization
- June 2022
- Article
The Welfare Effects of Peer Entry in the Accommodation Market: The Case of Airbnb and the Accommodation Industry
By: Chiara Farronato and Andrey Fradkin
We study the effects of enabling peer supply through Airbnb in the accommodation industry. We present a model of competition between flexible and dedicated sellers—peer hosts and hotels—who provide differentiated products. We estimate this model using data from major... View Details
Keywords: Peer To Peer; Airbnb; Digital Platforms; Market Entry and Exit; Competition; Accommodations Industry
Farronato, Chiara, and Andrey Fradkin. "The Welfare Effects of Peer Entry in the Accommodation Market: The Case of Airbnb and the Accommodation Industry." American Economic Review 112, no. 6 (June 2022): 1782–1817.
- 2010
- Article
The Effect of Financial Development on the Investment Cash Flow Relationship: Cross-Country Evidence from Europe
We investigate financing constraints in a large cross-country data set covering most of the European economy. Firm-level investment sensitivity to cash flow is used to identify financing constraints. We find that the sensitivities are significantly positive, on... View Details
Keywords: Growth and Development; Development Economics; Investment; Cash Flow; Cross-Cultural and Cross-Border Issues; Relationships; Economy; Financial Markets; Business Subsidiaries; Capital Markets; Assets; Financing and Loans; Europe
Becker, Bo, and Jagadeesh Sivadasan. "The Effect of Financial Development on the Investment Cash Flow Relationship: Cross-Country Evidence from Europe." Art. 43. B.E. Journal of Economic Analysis & Policy 10, no. 1 (2010).
- 2010
- Working Paper
Will I Stay or Will I Go?: Cooperative and Competitive Effects of Workgroup Sex and Race Composition on Turnover
By: Kathleen L. McGinn and Katherine L Milkman
We develop an integrated theory of the social identity mechanisms linking workgroup sex and race composition across levels with individual turnover. Building on social identity research, we theorize that social cohesion (Tyler, 1999; Hogg and Terry, 2000) and social... View Details
Keywords: Competition; Ethnicity; Race; Groups and Teams; Identity; Resignation and Termination; Gender; Cooperation
McGinn, Kathleen L., and Katherine L Milkman. "Will I Stay or Will I Go? Cooperative and Competitive Effects of Workgroup Sex and Race Composition on Turnover." Harvard Business School Working Paper, No. 10-066, February 2010.