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(217)
- People (1)
- News (66)
- Research (104)
- Multimedia (2)
- Faculty Publications (67)
Show Results For
- All HBS Web
(217)
- People (1)
- News (66)
- Research (104)
- Multimedia (2)
- Faculty Publications (67)
- June 2012
- Article
Short Termism: Don't Blame the Investors
By: Francois Brochet, George Serafeim and Maria Loumioti
The article presents research on executives and corporation investor relations. A study is conducted of the language used by executives in conference calls discussing earnings with investors and financial analysts. A correlation was found between the use of language... View Details
Keywords: Financial Management; Business Earnings; Managerial Roles; Investment; Agency Theory; Communication Strategy; Business and Shareholder Relations
Brochet, Francois, George Serafeim, and Maria Loumioti. "Short Termism: Don't Blame the Investors." Harvard Business Review 90, no. 6 (June 2012).
- Web
The Gift of Global Talent
continues to grow, the three core approaches taken by corporations so far offer a playbook for companies that find themselves outside the action in today’s concentrated innovation geography. How can companies most effectively harness the... View Details
- March 2024 (Revised June 2025)
- Teaching Note
CoPilot(s): Generative AI at Microsoft and GitHub
By: Frank Nagle and Maria P. Roche
This teaching note is the companion to case N9-624-010 CoPilot(s): Generative AI at Microsoft and GitHub, which takes place in late 2021. The case briefly describes the history of both GitHub and Microsoft with a particular focus on open source software (OSS)—software... View Details
- Web
Strategy Awards & Honors - Faculty & Research
Business Professors” by Poets & Quants in 2024. 2023 Bharat N. Anand : Winner of the 2023 Robert F. Greenhill Award for Outstanding Contributions to Harvard Business School. Maria P. Roche : Recipient of the... View Details
- December 2020
- Article
Different Founders, Different Firms: A Comparative Analysis of Academic and Non-academic Startups
By: Maria P. Roche, Annamaria Conti and Frank T. Rothaermel
What role do differences in founders' occupational backgrounds play in new venture performance? Analyzing a novel dataset of 2,998 founders creating 1,723 innovative startups in biomedicine, we find that the likelihood and hazard of achieving a liquidity event are... View Details
Keywords: Founders; Innovation; Occupational Imprinting; Academic Startups; Non-academic Startups; Founder Heterogeneity; Business Startups; Innovation and Invention; Performance; Demographics; Analysis
Roche, Maria P., Annamaria Conti, and Frank T. Rothaermel. "Different Founders, Different Firms: A Comparative Analysis of Academic and Non-academic Startups." Special Issue on Innovative Start-Ups and Policy Initiatives. Research Policy 49, no. 10 (December 2020).
- Web
Winners & Runners-Up | New Venture Competition
Enterprise Track, 2024 New Venture Competition video Play Video duration: 1:32 2024 New Venture Competition Runner-Up, Social Enterprise Track: Trans Health HQ Trans Health HQ is a tool built by the trans community that addresses... View Details
- Web
Nonprofit Strategy & Governance | Social Enterprise | Harvard Business School
land, giraffes cast long shadows on the dry savannas and woodlands of sub-Saharan Africa where they live. But their ... Re: Susan Myers (MBA 1978); Richard Myers (MBA 1984); By: Jen Mcfarland Flint; Illustrations by View Details
- 2011
- Other Unpublished Work
Functional Centralization and the Division of Labor in Management
By: Julie Wulf, Maria Guadalupe and Hongyi Li
This paper shows that the trend towards flatter hierarchies in large US firms since the mid-80's has been accompanied by increased centralization of activities at the top of the organization. In particular, the number of functional managers (e.g., Chief Financial... View Details
- Forthcoming
- Article
You've Got Mail! The Late 19th-Century U.S. Postal Service Expansion, Firm Creation, and Firm Performance
By: Astrid Marinoni and Maria P. Roche
This paper examines the impact of the expansion of the US Postal Service in the late 19th century
on firm creation and performance. Utilizing newly digitized archival data on historic business establishments,
post office locations, and road networks in California,... View Details
Keywords: Institutional Innovation; Knowledge Exchange; US Postal Service; Firm Performance; Infrastructure; Expansion; Government Administration; Communication; Business History; Entrepreneurship; Public Administration Industry; California
Marinoni, Astrid, and Maria P. Roche. "You've Got Mail! The Late 19th-Century U.S. Postal Service Expansion, Firm Creation, and Firm Performance." Management Science (forthcoming). (Pre-published online January 15, 2025.)
- Article
The Harmonization of Lending Standards within Banks through Mandated Loan-Level Transparency
By: Jung Koo Kang, Maria Loumioti and Regina Wittenberg-Moerman
We explore whether the introduction of transparent reporting rules increases credit standard harmonization within a bank. We exploit the new loan-level reporting rules imposed on banks that borrow from the European Central Bank using repurchase agreements... View Details
Keywords: Transparency; External And Internal Reporting; Credit Term Harmonization; Regulatory Scrutiny; Banks and Banking; Credit; Financial Reporting; Governing Rules, Regulations, and Reforms; Learning
Kang, Jung Koo, Maria Loumioti, and Regina Wittenberg-Moerman. "The Harmonization of Lending Standards within Banks through Mandated Loan-Level Transparency." Journal of Accounting & Economics 72, no. 1 (August 2021): 101386.
- June 2020
- Article
How Scheduling Can Bias Quality Assessment: Evidence from Food Safety Inspections
By: Maria Ibanez and Michael W. Toffel
Accuracy and consistency are critical for inspections to be an effective, fair, and useful tool for assessing risks, quality, and suppliers—and for making decisions based on those assessments. We examine how inspector schedules could introduce bias that erodes... View Details
Keywords: Assessment; Bias; Inspection; Scheduling; Econometric Analysis; Empirical Research; Regulation; Health; Food; Safety; Quality; Performance Consistency; Governing Rules, Regulations, and Reforms
Ibanez, Maria, and Michael W. Toffel. "How Scheduling Can Bias Quality Assessment: Evidence from Food Safety Inspections." Management Science 66, no. 6 (June 2020): 2396–2416. (Revised February 2019. Featured in Harvard Business Review, Forbes, Food Safety Magazine, Food Safety News, and KelloggInsight. (2020 MSOM Responsible Research Finalist.))
- July–August 2021
- Article
Lowering the Bar? External Conditions, Opportunity Costs, and High-Tech Startup Outcomes
By: Annamaria Conti and Maria P. Roche
We assess the heterogeneous impact of economic downturns on individuals’ decisions to bring high-technology ideas to the market in the form of new ventures. We thereby examine how worsening labor market conditions influence individuals’ opportunity costs of starting... View Details
Keywords: Necessity Entrepreneurship; Economic Conditions; Recessions; High-tech Startups; Opportunity Costs; Entrepreneurship; Economic Slowdown and Stagnation; Business Startups; Information Technology; Performance; Labor
Conti, Annamaria, and Maria P. Roche. "Lowering the Bar? External Conditions, Opportunity Costs, and High-Tech Startup Outcomes." Organization Science 32, no. 4 (July–August 2021): 965–986.
- April 2014
- Article
Who Lives in the C-Suite? Organizational Structure and the Division of Labor in Top Management
By: Maria Guadalupe, Hongyi Li and Julie Wulf
Top management structures in large U.S. firms have changed significantly since the mid-1980s. While the size of the executive team—the group of managers reporting directly to the CEO—doubled during this period, this growth was driven primarily by an increase in... View Details
Keywords: Communication; Functions; Centralization; M-form; Hierarchy; Top Management Team; C-Suite; Activities; Organizational Change and Adaptation; Diversification; Managerial Roles; Organizational Design; Information Technology; Organizational Structure; Management Teams; United States
Guadalupe, Maria, Hongyi Li, and Julie Wulf. "Who Lives in the C-Suite? Organizational Structure and the Division of Labor in Top Management." Management Science 60, no. 4 (April 2014): 824–844.
- December 2020
- Article
Taking Innovation to the Streets: Micro-geography, Physical Structure and Innovation
By: Maria P. Roche
In this paper, we analyze how the physical layout of cities affects innovation by influencing the organization of knowledge exchange. We exploit a novel data set covering all Census Block Groups in the contiguous United States with information on innovation outcomes,... View Details
Keywords: Microgeography; Innovation; Street Infrastructure; Knowledge Exchange; Interactions; Geography; City; Innovation and Invention; Knowledge Sharing
Roche, Maria P. "Taking Innovation to the Streets: Micro-geography, Physical Structure and Innovation." Review of Economics and Statistics 102, no. 5 (December 2020): 912–928.
- 2023
- Working Paper
Learning to Use: Stack Overflow and Technology Adoption
By: Daniel Jay Brown and Maria P. Roche
In this paper, we examine the potential impact of Q&A websites on the adoption of technologies.
Using data from Stack Overflow – one of the most popular Q&A websites worldwide
– and implementing an instrumental-variable approach, we find that users whose questions... View Details
Brown, Daniel Jay, and Maria P. Roche. "Learning to Use: Stack Overflow and Technology Adoption." Harvard Business School Working Paper, No. 24-001, July 2023.
- February 2013
- Article
Commercial Property Rent Dynamics in U.S. Metropolitan Areas: An Examination of Office, Industrial, Flex and Retail Space
By: Maria Ibanez and Anthony Pennington-Cross
This paper is concerned with the market rental rate for space offered by commercial property and how that rental rate evolves over time. Rental rates reflect the value of the services provided by the property and can have a significant impact on the ability of its... View Details
Keywords: Commercial Real Estate; Rent Dynamics; Office Property; Flex Property; Retail Property; Industrial Property; Property; Real Estate Industry; United States
Ibanez, Maria, and Anthony Pennington-Cross. "Commercial Property Rent Dynamics in U.S. Metropolitan Areas: An Examination of Office, Industrial, Flex and Retail Space." Journal of Real Estate Finance and Economics 46, no. 2 (February 2013): 232–259.
- January 2018 (Revised January 2021)
- Case
Colombia's 4G Road Program: The Pacífico 3 Bond Offer
By: John Macomber, Maria Fernanda Miguel and Mariana Cal
Colombia conceived its 4G (Fourth Generation) Road Program to try to attract $17 billion from the private sector for investment in toll roads. The nation had also created the National Infrastructure Agency of Colombia (ANI) to oversee multiple investments, and the... View Details
Keywords: Private Public Partnerships; Infrastructure; Projects; Finance; Emerging Markets; Colombia
Macomber, John, Maria Fernanda Miguel, and Mariana Cal. "Colombia's 4G Road Program: The Pacífico 3 Bond Offer." Harvard Business School Case 218-062, January 2018. (Revised January 2021.)
- 01 Jun 2012
- News
Faculty Research Online
Crowded at the Top: The Rise of the Functional Manager It’s not lonely at the top anymore. Today’s CEO has an average of 10 direct reports, according to new research by Associate Professor Julie Wulf, Maria... View Details
- September 2018
- Article
Discretionary Task Ordering: Queue Management in Radiological Services
By: Maria Ibanez, Jonathan R. Clark, Robert S. Huckman and Bradley R. Staats
Work-scheduling research typically prescribes task sequences implemented by managers. Yet employees often have discretion to deviate from their prescribed sequence. Using data from 2.4 million radiological diagnoses, we find that doctors prioritize similar tasks... View Details
Keywords: Discretion; Scheduling; Queue; Healthcare; Learning; Experience; Decentralization; Operations; Service Operations; Service Delivery; Performance; Performance Effectiveness; Performance Efficiency; Performance Improvement; Performance Productivity; Decisions; Time Management; Cost vs Benefits; Health Industry
Ibanez, Maria, Jonathan R. Clark, Robert S. Huckman, and Bradley R. Staats. "Discretionary Task Ordering: Queue Management in Radiological Services." Management Science 64, no. 9 (September 2018): 4389–4407. (Working paper available here. Winner of the 2017 Best Paper Competition of the POMS College of Healthcare Operations Management. Featured in Forbes, Quartz, and Inc.)
- February 2024 (Revised March 2025)
- Case
Moving Science: The Rowland Institute at Harvard
By: Maria P. Roche
Set in 2022, this case describes the considerations involved in organizing the physical relocation of the Rowland Institute at Harvard (RIH), a research institute established in 1980 by Edwin H. Land, the founder of the Polaroid Corporation, for the advancement of... View Details
Keywords: Optics; Engineering; Higher Education; Strategy; Science; Buildings and Facilities; Research and Development; Real Estate Industry; Biotechnology Industry
Roche, Maria P. "Moving Science: The Rowland Institute at Harvard." Harvard Business School Case 724-441, February 2024. (Revised March 2025.)