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  • All HBS Web  (3,671)
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  • All HBS Web  (3,671)
    • People  (9)
    • News  (620)
    • Research  (2,461)
    • Events  (62)
    • Multimedia  (3)
  • Faculty Publications  (1,165)
← Page 16 of 3,671 Results →
  • 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
Keywords: Job Search; Knowledge Use and Leverage; Market Participation; Market Transactions; Social and Collaborative Networks; Online Technology
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Piskorski, Mikolaj Jan. "I Am Not on the Market, I Am Here with Friends: Using On-Line Social Networks to Find a Job or a Spouse." Harvard Business School Working Paper, No. 08-088, April 2008.
  • 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
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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.
  • August 2012 (Revised October 2015)
  • Case

LinkedIn Corporation, 2012

By: David Yoffie and Liz Kind
Since its inception in 2003, LinkedIn had become a leading Silicon Valley institution with a brand name that was recognizable throughout the U.S. and in many countries overseas. As of March 2012, LinkedIn was the world's largest professional network on the Internet... View Details
Keywords: Social Networking; Media; Technology; Strategy; Growth Management; Internet and the Web; Corporate Strategy; Social and Collaborative Networks; Brands and Branding; Social Media; Service Industry; Media and Broadcasting Industry; California
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Yoffie, David, and Liz Kind. "LinkedIn Corporation, 2012." Harvard Business School Case 713-420, August 2012. (Revised October 2015.)
  • 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
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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.)
  • April 2022
  • Article

The Past Is Prologue? Venture-Capital Syndicates' Collaborative Experience and Start-Up Exits

By: Dan Wang, Emily Cox Pahnke and Rory M. McDonald
Past research has produced contradictory insights into how prior collaboration between organizations—their relational embeddedness—impacts collective collaborative performance. We theorize that the effect of relational embeddedness on collaborative success is... View Details
Keywords: Inter-organizational Networks; Collaboration; Entrepreneurship; Networks; Organizations; Performance; Venture Capital
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Wang, Dan, Emily Cox Pahnke, and Rory M. McDonald. "The Past Is Prologue? Venture-Capital Syndicates' Collaborative Experience and Start-Up Exits." Academy of Management Journal 65, no. 2 (April 2022): 371–402.
  • 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
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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.)
  • 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
Keywords: Well-being; Happiness
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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.
  • 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
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Gupta, Sunil. "Marketing Reading: Creating Customer Value." Core Curriculum Readings Series. Boston: Harvard Business Publishing 8176, 2014.
  • 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
Keywords: Government Legislation; Race; Behavior; Voting; Prejudice and Bias
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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.)
  • 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
Keywords: AI and Machine Learning; Mathematical Methods; Analytics and Data Science
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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
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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.
  • 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
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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.)
  • 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
Keywords: Management Teams; Strategy; Leadership; Practice; Management Analysis, Tools, and Techniques
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Dillon, James R. "Teams at the Top: Revisiting the Structure and Effects of Strategic Work in Top Management." Paper presented at the Trans-Atlantic Doctoral Conference, London Business School, 2010.
  • 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
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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.
  • 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
  • 30 Sep 2014
  • Working Paper Summaries

The Real Effects of Capital Controls: Financial Constraints, Exporters, and Firm Investment

Keywords: by Laura Alfaro, Anusha Chari & Fabio Kanczuk
  • 28 Oct 2010
  • Working Paper Summaries

The Distinct Effects of Information Technology and Communication Technology on Firm Organization

Keywords: by Nicholas Bloom, Luis Garicano, Raffaella Sadun & John Van Reenen; Technology
  • 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
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Datar, Srikant M., and Caitlin N. Bowler. "LendingClub (C): Gradient Boosting & Payoff Matrix." Harvard Business School Supplement 119-022, August 2018. (Revised September 2018.)
  • 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
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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.
  • 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
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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.)
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