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Show Results For
- All HBS Web
(1,669)
- People (2)
- News (326)
- Research (1,069)
- Events (12)
- Multimedia (6)
- Faculty Publications (550)
- Research Summary
Heteroskedasticity Autocorrelation Consistent Covariance Matrix Estimation with Wavelets
I propose a new HAC estimator based on the wavelet representation of the spectral density. Whereas kernel-based HAC estimators [e.g. Newey West (1987) Andrews (1991)] have a fixed bandwidth, a wavelet estimator has bandwidths that vary across wavelet resolution... View Details
- October 2023
- Article
Matching Mechanisms for Refugee Resettlement
By: David Delacrétaz, Scott Duke Kominers and Alexander Teytelboym
Current refugee resettlement processes account for neither the preferences of refugees nor the priorities of hosting communities. We introduce a new framework for matching with multidimensional knapsack constraints that captures the (possibly multidimensional) sizes of... View Details
Keywords: Refugee Resettlement; Matching; Matching Markets; Matching Platform; Matching With Contracts; Algorithms; Refugees; Market Design
Delacrétaz, David, Scott Duke Kominers, and Alexander Teytelboym. "Matching Mechanisms for Refugee Resettlement." American Economic Review 113, no. 10 (October 2023): 2689–2717.
- 2021
- Working Paper
Which Markets (Don't) Drive Pharmaceutical Innovation? Evidence From U.S. Medicaid Expansions
By: Craig Garthwaite, Rebecca Sachs and Ariel Dora Stern
Pharmaceutical innovation policy involves managing a tradeoff between high prices for new products in the short-term and stronger incentives to develop products for the future. Prior research has documented a causal relationship between market size and pharmaceutical... View Details
Keywords: Pharmaceuticals; Medicaid; Innovation and Invention; Policy; Markets; Research and Development; Pharmaceutical Industry
Garthwaite, Craig, Rebecca Sachs, and Ariel Dora Stern. "Which Markets (Don't) Drive Pharmaceutical Innovation? Evidence From U.S. Medicaid Expansions." NBER Working Paper Series, No. 28755, May 2021.
- Spring 2021
- Article
Whose Job Is It Anyway? Co-Ethnic Hiring in New U.S. Ventures
By: Sari Pekkala Kerr and William R. Kerr
We explore co-ethnic hiring among new ventures using U.S. administrative data. Co-ethnic hiring is ubiquitous among immigrant groups, averaging about 22.5% and ranging from <2% to >40%. Co-ethnic hiring grows with the size of the local ethnic workforce, greater... View Details
Keywords: Hiring; Job Creation; E-Verify; Immigration; Selection and Staffing; Ethnicity; Entrepreneurship
Kerr, Sari Pekkala, and William R. Kerr. "Whose Job Is It Anyway? Co-Ethnic Hiring in New U.S. Ventures." Journal of Human Capital 15, no. 1 (Spring 2021): 86–127.
- April 2012
- Article
Share Issuance and Factor Timing
By: Robin Greenwood and Samuel G. Hanson
We show that characteristics of stock issuers can be used to forecast important common factors in stocks' returns such as those associated with book-to-market, size, and industry. Specifically, we use differences between the attributes of stock issuers and repurchasers... View Details
Keywords: Investment Portfolio; Stock Shares; Forecasting and Prediction; Investment Return; Policy; Profit
Greenwood, Robin, and Samuel G. Hanson. "Share Issuance and Factor Timing." Journal of Finance 67, no. 2 (April 2012): 761–798. (Internet Appendix Here.)
- 2008
- Working Paper
Long-Run Stockholder Consumption Risk and Asset Returns
By: Christopher J. Malloy, Tobias J. Moskowitz and Annette Vissing-Jorgensen
We provide new evidence on the success of long-run risks in asset pricing by focusing on the risks borne by stockholders. Exploiting micro-level household consumption data, we show that long-run stockholder consumption risk better captures cross-sectional... View Details
Malloy, Christopher J., Tobias J. Moskowitz, and Annette Vissing-Jorgensen. "Long-Run Stockholder Consumption Risk and Asset Returns." Harvard Business School Working Paper, No. 08-060, January 2008.
- April 2000 (Revised June 2000)
- Case
Teach for America
On the eve of Teach For America's tenth reunion, Wendy Kopp, the 32-year-old founder and leader of the national teacher corps, is considering how to increase the impact of the organization. To date, the organization has placed 5,000 teachers in under-resourced public... View Details
Keywords: Organizational Change and Adaptation; Social Entrepreneurship; Teaching; Leadership Style; Education Industry; United States
Sawhill, John C., and Sarah S. Khetani. "Teach for America." Harvard Business School Case 300-084, April 2000. (Revised June 2000.)
- 06 Mar 2019
- HBS Seminar
Adam Isen, U.S. Department of the Treasury
Saving More in Groups: Field Experimental Evidence from Chile
We test the effectiveness of self-help peer groups as a commitment device for precautionary savings, through two randomized field experiments among 2,687 microentrepreneurs in Chile. The first experiment finds that self-help peer groups are a powerful tool to... View Details
- Research Summary
The Talent at the Table: Business Expertise and Share Ownership in Fortune 500 Boardrooms
This paper examines the relationship between corporate value and "vestige" directors, defined as directors who own sizeable shareholdings but lack salient business experience relative to their peers on Fortune 500 boards. These people come to serve on... View Details
- 2021
- Working Paper
Digital Labor Market Inequality and the Decline of IT Exceptionalism
By: Ruiqing Cao and Shane Greenstein
Several decades of expansion in digital communications, web commerce, and online distribution have altered regional IT labor market returns in the United States. IT occupations experienced similar wage growth as STEM occupations involving IT-related work activities,... View Details
Cao, Ruiqing, and Shane Greenstein. "Digital Labor Market Inequality and the Decline of IT Exceptionalism." Harvard Business School Working Paper, No. 21-019, August 2020. (Revised January 2021. NBER Working Paper Series, No. 21-015, August 2020)
- Article
National Image as a Competitive Disadvantage: The Case of the New Zealand Organic Food Industry
By: Geoffrey Jones and Simon Mowatt
This article examines why organic agriculture and food consumption developed more strongly in some countries than others between the 1970s and the 2000s. The focus is the limited growth of the New Zealand organic sector, which contrasts with countries such as Denmark,... View Details
Keywords: Industrial Organization; Chinitz; Agglomeration; Clusters; Cities; Mines; Political Economy; FDI; Agribusiness Industry; Agriculture; Agribusiness; Entrepreneurship; Business History; Agriculture and Agribusiness Industry; Food and Beverage Industry; Retail Industry; New Zealand; Denmark
Jones, Geoffrey, and Simon Mowatt. "National Image as a Competitive Disadvantage: The Case of the New Zealand Organic Food Industry." Business History 58, no. 8 (2016): 1262–1288.
- Article
Regulation and UK Retailing Productivity: Evidence from Microdata
By: Jonathan Haskel and Raffaella Sadun
We explore the effects of planning regulation on the UK retail sector between 1997 and 2003 using micro-data from the UK census. We document a shift to smaller shops following a 1996 regulatory change that increased the costs of opening large stores. Our analysis... View Details
Keywords: Governing Rules, Regulations, and Reforms; Performance Productivity; Growth and Development; Economic Slowdown and Stagnation; Management Analysis, Tools, and Techniques; Change; Cost; Retail Industry; United Kingdom
Haskel, Jonathan, and Raffaella Sadun. "Regulation and UK Retailing Productivity: Evidence from Microdata." Economica 79, no. 315 (July 2012): 425–448.
- October 2011
- Article
Government Advertising and Media Coverage of Corruption Scandals
By: Rafael Di Tella and Ignacio Franceschelli
We construct measures of the extent to which the four main newspapers in Argentina report government corruption in their front page during the period 1998-2007 and correlate them with government advertising. The correlation is negative. The size is considerable: a one... View Details
Di Tella, Rafael, and Ignacio Franceschelli. "Government Advertising and Media Coverage of Corruption Scandals." American Economic Journal: Applied Economics 3, no. 4 (October 2011): 119–151.
- Article
Competition for Scarce Resources
By: Peter Eso, Volker Nocke and Lucy White
We model a downstream industry where firms compete to buy capacity in an upstream market that allocates capacity efficiently. Although downstream firms have symmetric production technologies, we show that industry structure is symmetric only if capacity is sufficiently... View Details
Keywords: Competitive Strategy; Natural Environment; Technology; Production; Business Cycles; Forecasting and Prediction; Cost; Demand and Consumers; Industry Structures; Performance Capacity
Eso, Peter, Volker Nocke, and Lucy White. "Competition for Scarce Resources." RAND Journal of Economics 41, no. 3 (Fall 2010): 524–548.
- December 2009
- Article
Long-Run Stockholder Consumption Risk and Asset Returns
By: Christopher J. Malloy, Tobias J. Moskowitz and Annette Vissing-Jorgensen
We provide new evidence on the success of long-run risks in asset pricing by focusing on the risks borne by stockholders. Exploiting micro-level household consumption data, we show that long-run stockholder consumption risk better captures cross-sectional variation in... View Details
Malloy, Christopher J., Tobias J. Moskowitz, and Annette Vissing-Jorgensen. "Long-Run Stockholder Consumption Risk and Asset Returns." Journal of Finance 64, no. 6 (December 2009): 2427–2480. (Finalist for the 2010 Smith Breeden Prize for the best paper in the Journal of Finance.)
- April 2002
- Article
Limited Arbitrage in Mergers and Acquisitions
By: Malcolm Baker and Serkan Savasoglu
A diversified portfolio of risk arbitrage positions produces an abnormal return of 0.6-0.9% per month over the period from 1981 to 1996. We trace these profits to practical limits on risk arbitrage. In our model of risk arbitrage, arbitrageurs' risk-bearing capacity... View Details
Keywords: Arbitrage; Market Efficiency; Mergers and Acquisitions; Profit; Risk and Uncertainty; Corporate Strategy; Capital; Banking Industry
Baker, Malcolm, and Serkan Savasoglu. "Limited Arbitrage in Mergers and Acquisitions." Journal of Financial Economics 64, no. 1 (April 2002): 91–116.
- 2023
- Working Paper
The Equity Market Implications of the Retail Investment Boom
By: Philippe van der Beck and Coralie Jaunin
This paper quantifies the impact of Robinhood traders on the US equity market. Within a structural model, we estimate retail and institutional demand curves and derive aggregate pricing implications via market clearing. The inelastic nature of institutional demand... View Details
van der Beck, Philippe, and Coralie Jaunin. "The Equity Market Implications of the Retail Investment Boom." Swiss Finance Institute Research Paper Series, No. 21-12, November 2023.
- July 2024
- Article
JUE Insight: Infrastructure and Finance: Evidence from India's GQ Highway Network
By: Abhiman Das, Ejaz Ghani, Arti Grover, William Kerr and Ramana Nanda
We use data from Reserve Bank of India to study the impact of India's Golden Quadrilateral (GQ) highway project on finance-dependent activity. Loan volumes increase by 20-30% in districts along GQ and are stronger in industries more dependent upon external finance.... View Details
Keywords: Highways; Finance; Development; Infrastructure; Banks and Banking; Transportation Networks; Financing and Loans; Growth and Development; India
Das, Abhiman, Ejaz Ghani, Arti Grover, William Kerr, and Ramana Nanda. "JUE Insight: Infrastructure and Finance: Evidence from India's GQ Highway Network." Art. 103593. Journal of Urban Economics 142 (July 2024).
- July 1999
- Article
Analysts' Forecast Accuracy: Do Ability and Portfolio Complexity Matter
By: Michael B. Clement
Prior studies have identified systematic and time persistent differences in analysts’ earnings forecast accuracy, but have not explained why the differences exist. Using the I/B/E/S Detail History database, this study finds that forecast accuracy is positively... View Details
Clement, Michael B. "Analysts' Forecast Accuracy: Do Ability and Portfolio Complexity Matter." Journal of Accounting & Economics 27, no. 3 (July 1999): 285–303.