Filter Results:
(1,062)
Show Results For
- All HBS Web (1,062)
- Faculty Publications (535)
Show Results For
- All HBS Web (1,062)
- Faculty Publications (535)
- 28 Aug 2012
- Working Paper Summaries
Channels of Influence
- 05 Jul 2006
- Working Paper Summaries
A Survey-Based Procedure for Measuring Uncertainty or Heterogeneous Preferences in Markets
- May 2022
- Article
Coins for Bombs: The Predictive Ability of On-Chain Transfers for Terrorist Attacks
By: Dan Amiram, Evgeny Lyandres and Daniel Rabetti
This study examines whether we can learn from the behavior of blockchain-based transfers to predict the financing of terrorist attacks. We exploit blockchain transaction transparency to map millions of transfers for hundreds of large on-chain service providers. The... View Details
Keywords: Blockchain; Bitcoin; Accounting; AI and Machine Learning; National Security; Governing Rules, Regulations, and Reforms
Amiram, Dan, Evgeny Lyandres, and Daniel Rabetti. "Coins for Bombs: The Predictive Ability of On-Chain Transfers for Terrorist Attacks." Journal of Accounting Research 60, no. 2 (May 2022): 427–466.
- September 2024
- Article
Investing in the Next Generation: The Long-Run Impacts of a Liquidity Shock
By: Patrick Agte, Arielle Bernhardt, Erica M. Field, Rohini Pande and Natalia Rigol
How do poor entrepreneurs trade off investments in business enterprises versus children's human capital, and how do these choices influence intergenerational socio-economic mobility? To examine this, we exploit experimental variation in household income resulting from... View Details
Agte, Patrick, Arielle Bernhardt, Erica M. Field, Rohini Pande, and Natalia Rigol. "Investing in the Next Generation: The Long-Run Impacts of a Liquidity Shock." American Economic Review 114, no. 9 (September 2024): 2792–2824.
- Summer 2023
- Article
(Un)principled Agents: Monitoring Loyalty after the End of the Royal African Company Monopoly
By: Anne Ruderman and Marlous van Waijenburg
The revocation of the Royal African Company's monopoly in 1698 inaugurated a transformation of the transatlantic slave trade. While the RAC’s exit from the slave trade has received scholarly attention, little is known about the company’s response to the loss of its... View Details
Keywords: Slavery; Organizational Change and Adaptation; Business History; Monopoly; History; Business and Government Relations
Ruderman, Anne, and Marlous van Waijenburg. "(Un)principled Agents: Monitoring Loyalty after the End of the Royal African Company Monopoly." Special Issue on Business, Capitalism, and Slavery edited by Marlous van Waijenburg and Anne Ruderman. Business History Review 97, no. 2 (Summer 2023): 247–281.
Innovation on Wings: Nonstop Flights and Firm Innovation in the Global Context
We study whether, when, and how better connectivity through nonstop flights leads to positive innovation outcomes for firms in the global context. Using unique data of all flights emanating from 5,015 airports around the globe from 2005 to 2015 and exploiting a... View Details
- September 2022
- Article
Experimentation and Start-up Performance: Evidence from A/B Testing
By: Rembrand Koning, Sharique Hasan and Aaron Chatterji
Recent scholarship has argued that experimentation should be the organizing principle for entrepreneurial strategy. Experimentation leads to organizational learning, which drives improvements in firm performance. We investigate this proposition by exploiting the... View Details
Keywords: Experimentation; A/B Testing; Data-driven Decision-making; Organizational Learning; Entrepreneurship; Strategy; Business Startups; Learning; Performance; Decision Making
Koning, Rembrand, Sharique Hasan, and Aaron Chatterji. "Experimentation and Start-up Performance: Evidence from A/B Testing." Management Science 68, no. 9 (September 2022): 6434–6453.
- 2009
- Other Unpublished Work
Clusters, Cluster Policy, and Swedish Competitiveness in the Global Economy
By: Christian H.M. Ketels
Proximity enables firms to take advantage of knowledge spill-overs and exploit supplier demand linkages with other entities engaged in related activities. Cluster strength thus seems to be one of the important determinants of prosperity differences across geographies.... View Details
Ketels, Christian H.M. "Clusters, Cluster Policy, and Swedish Competitiveness in the Global Economy."
- 2009
- Report
Clusters, Cluster Policy, and Swedish Competitiveness
By: Christian H.M. Ketels
Proximity enables firms to take advantage of knowledge spill-overs and exploit supplierdemand linkages with other entities engaged in related activities. Cluster strength thus seems to be one of the important determinants of prosperity differences across geographies.... View Details
Keywords: Policy; Knowledge Use and Leverage; Industry Clusters; Business and Government Relations; Competitive Strategy; Competitive Advantage; Sweden
Ketels, Christian H.M. "Clusters, Cluster Policy, and Swedish Competitiveness." Expert Report to Sweden's Globalisation Council, Globalisation Council (Sweden), Stockholm, Sweden, 2009.
- 2008
- Working Paper
Cost of External Finance and Selection into Entrepreneurship
By: Ramana Nanda
This paper examines the extent to which the positive relationship between personal wealth and entry into entrepreneurship is due to financing constraints. I exploit a tax reform and use unique micro-data from Denmark to study how exogenous changes in the cost of... View Details
Keywords: Business Startups; Entrepreneurship; Cost; Financing and Loans; Personal Finance; Human Capital; Wealth; Denmark
Nanda, Ramana. "Cost of External Finance and Selection into Entrepreneurship." Harvard Business School Working Paper, No. 08-047, January 2008.
Coins for Bombs: The Predictive Ability of On-Chain Transfers for Terrorist Attacks
This study examines whether we can learn from the behavior of blockchain-based transfers to predict the financing of terrorist attacks. We exploit blockchain transaction transparency to map millions of transfers for hundreds of large on-chain service providers.... View Details
- TeachingInterests
Executive Education - Owner/President Management Program
Delivered in three units that span 24 months over three calendar years, the Owner/President Management (OPM) program is a transformative learning experience that boosts leadership skills and the value of participants’ enterprises. Sinozich teaches the Finance... View Details
- 2022
- Working Paper
Why Do Index Funds Have Market Power? Quantifying Frictions in the Index Fund Market
By: Zach Y. Brown, Mark Egan, Jihye Jeon, Chuqing Jin and Alex A. Wu
Index funds are one of the most common ways investors access financial markets and are perceived to be a transparent and low-cost alternative to active investment management. Despite these purported virtues of index fund investing and the introduction of new products... View Details
Keywords: Mutual Funds; Passive Investing; Asset Management; Financial Markets; Investment Funds; Financial Management; Financial Services Industry; United States
Brown, Zach Y., Mark Egan, Jihye Jeon, Chuqing Jin, and Alex A. Wu. "Why Do Index Funds Have Market Power? Quantifying Frictions in the Index Fund Market." Harvard Business School Working Paper, No. 24-019, October 2023. (NBER Working Paper Series, No. 31778, October 2023.)
- October 2023
- Article
Innovation on Wings: When Do Nonstop Flights Matter for Global Innovation?
By: Dany Bahar, Prithwiraj Choudhury, Do Yoon Kim and Wesley Koo
We study whether, when, and how better connectivity through nonstop flights leads to positive innovation outcomes for firms in the global context. Using unique data of all flights emanating from 5,015 airports around the globe from 2005 to 2015 and exploiting a... View Details
Keywords: Nonstop Flights; Collaborative Innovation and Invention; Patents; Research and Development; Air Transportation Industry
Bahar, Dany, Prithwiraj Choudhury, Do Yoon Kim, and Wesley Koo. "Innovation on Wings: When Do Nonstop Flights Matter for Global Innovation?" Management Science 69, no. 10 (October 2023): 6202–6223.
- 2025
- Working Paper
Public Displays of Alignment: Firm Speech in Autocratic Regimes
By: Joris Mueller, Jaya Y. Wen and Cheryl Wu
Political speech by firms is increasingly common around the world. This paper
examines the government as an important, yet understudied, audience for
such speech, focusing on how Chinese firms rhetorically align with the state.
We introduce novel, general, and... View Details
Keywords: Business and Government Relations; Economic Systems; Power and Influence; Government Administration; Policy; China
Mueller, Joris, Jaya Y. Wen, and Cheryl Wu. "Public Displays of Alignment: Firm Speech in Autocratic Regimes." Harvard Business School Working Paper, No. 25-064, June 2025.
- August 2010
- Article
Sell-Side School Ties
By: Lauren H. Cohen, Christopher J. Malloy and Andrea Frazzini
We study the impact of social networks on agents' ability to gather superior information about firms. Exploiting novel data on the educational backgrounds of sell-side equity analysts and senior officers of firms, we test the hypothesis that analysts' school ties to... View Details
Keywords: Investment Return; Investment Portfolio; Corporate Disclosure; Governing Rules, Regulations, and Reforms; Knowledge Acquisition; Social and Collaborative Networks
Cohen, Lauren H., Christopher J. Malloy, and Andrea Frazzini. "Sell-Side School Ties." Journal of Finance 65, no. 4 (August 2010): 1409–1437. (Winner of Smith Breeden Prize for the Best Paper Published in the Journal of Finance in Asset Pricing (Distinguished Paper) 2010.)
- February 1997 (Revised April 1998)
- Case
first direct (A)
Describes the operations and strategy of the world's largest, fastest growing branchless bank. Using a person-to-person interface over conventional phone lines, First Direct provides standard banking and related financial products to nearly 700,000 customers throughout... View Details
Keywords: Service Delivery; Customer Satisfaction; Banks and Banking; Innovation and Invention; Banking Industry; United Kingdom
Rayport, Jeffrey F., and Dickson Louie. "first direct (A)." Harvard Business School Case 897-079, February 1997. (Revised April 1998.)
- 21 Nov 2023
- Op-Ed
The Beauty Industry: Products for a Healthy Glow or a Compact for Harm?
In my recently published book Deeply Responsible Business, I write about business leaders since the 19th century who have acted responsibly, often by putting the welfare of their communities above the idea of maximizing profits. I make a sharp distinction between... View Details
- 2024
- Working Paper
Social Movements and Public Opinion in the United States
By: Amory Gethin and Vincent Pons
Recent social movements stand out by their spontaneous nature and lack of stable leadership, raising doubts on their ability to generate political change. This article provides systematic evidence on the effects of protests on public opinion and political attitudes.... View Details
Gethin, Amory, and Vincent Pons. "Social Movements and Public Opinion in the United States." NBER Working Paper Series, No. 32342, April 2024.
- 2020
- Working Paper
Digital Experimentation and Startup Performance: Evidence from A/B Testing
By: Rembrand Koning, Sharique Hasan and Aaron Chatterji
Recent work argues that experimentation is the appropriate framework for entrepreneurial strategy. We investigate this proposition by exploiting the time-varying adoption of A/B testing technology, which has drastically reduced the cost of experimentally testing... View Details
Keywords: Experimentation; A/B Testing; Data-driven Decision-making; Entrepreneurship; Strategy; Business Startups; Information Technology; Performance
Koning, Rembrand, Sharique Hasan, and Aaron Chatterji. "Digital Experimentation and Startup Performance: Evidence from A/B Testing." Harvard Business School Working Paper, No. 20-018, August 2019. (Revised September 2020. SSRN Working Paper Series, No. 3440291, August 2019)