Publications
Publications
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- All HBS Web
(465)
- Faculty Publications (68)
- Article
Are Cost Advantages from a Modern Indian Hospital Transferable to the United States?
By: R. S. Kaplan, F. Erhun, V.G. Narayanan, B. Mistry and K. Brayton, et al
We use time-driven activity-based costing to estimate the cost of personnel and space for an elective coronary artery bypass graft (CABG) surgery at two U.S. hospitals, Intermountain and Baylor Heart, and Narayana Health (NH), in India. All three hospitals use modern... View Details
- May 2020
- Teaching Note
Talismark
By: Richard S. Ruback, Royce Yudkoff and Ahron Rosenfeld
Teaching Note for HBS Case No. 211-097. Talismark negotiated waste hauling contracts for small and medium size companies. Its owners, Charles Muszynski and Marshall Staiman, were able to grow the business by more than 30% per year since it was founded, but believed... View Details
- December 2019
- Article
Costly Concessions: An Empirical Framework for Matching with Imperfectly Transferable Utility
By: Alfred Galichon, Scott Duke Kominers and Simon Weber
We introduce an empirical framework for models of matching with imperfectly transferable utility and unobserved heterogeneity in tastes. Our framework allows us to characterize matching equilibrium in a flexible way that includes as special cases the classic fully- and... View Details
- September 2019 (Revised December 2023)
- Case
Accounting Fraud at Tesco Stores (A)
By: Jonas Heese, Suraj Srinivasan and Julia Kelley
This case describes the accounting fraud at Tesco Stores Limited (TSL), which was discovered by a senior accountant in TSL’s finance department. The accountant was concerned about TSL’s handling of commercial income, which, according to the accountant, overstated... View Details
- 2021
- Working Paper
The Value of Intermediation in the Stock Market
By: Marco Di Maggio, Mark Egan and Francesco Franzoni
We estimate a structural model of broker choice to quantitatively decompose the value that institutional investors attach to broker services. Studying over 300 million institutional equity trades, we find that investors are sensitive to both explicit and implicit... View Details
- Article
Extending the Role of Headquarters Beyond the Firm Boundary: Entrepreneurial Alliance Innovation
By: Jaeho Kim and Andy Wu
Prior research on corporate headquarters (CHQ) characteristics identifies the impact of CHQ location and composition on the innovation outcomes of internal subsidiaries. However, given that external strategic alliances with high-tech entrepreneurial firms represent a... View Details
- June 2019
- Article
Brokers vs. Retail Investors: Conflicting Interests and Dominated Products
By: Mark Egan
I study how brokers distort household investment decisions. Using a novel convertible bond dataset, I find that consumers often purchase dominated bonds—cheap and expensive versions of otherwise identical bonds coexist in the market. The empirical evidence suggests... View Details
- 2018
- Working Paper
Corporate Refinancing, Covenants, and the Agency Cost of Debt
By: Daniel Green
How valuable are restrictive debt covenants in reducing the agency costs of debt? I exploit the revealed preference decision to refinance fixed-coupon bonds, which weighs observable interest rate savings against the unobservable costs of a change in restrictive... View Details
Keywords: Covenants; Refinancing; Corporate Bonds; Agency Costs; Debt Policy; Borrowing and Debt; Bonds; Interest Rates
- 2018
- Working Paper
OTC Intermediaries
By: Andrea L. Eisfeldt, Bernard Herskovic, Sriram Rajan and Emil Siriwardane
Over-the-counter (OTC) markets for financial assets are dominated by a relatively small number of core intermediaries and a large number of peripheral customers. In this paper, we develop a model of trade in a core-periphery network and estimate its key structural... View Details
- February 2018
- Article
Structural GARCH: The Volatility-Leverage Connection
By: Robert F. Engle and Emil N. Siriwardane
During the financial crisis, financial firm leverage and volatility both rose dramatically. Consequently, institutions are being asked to reduce leverage in order to reduce risk, though the effectiveness depends upon the role of capital structure in volatility. To... View Details
Keywords: Leverage; Credit Risk; Crisis Management; Equity; Volatility; Credit; Risk Management; Financial Crisis
- Article
Scenario Generation for Long Run Interest Rate Risk Assessment
By: Robert F. Engle, Guillaume Roussellet and Emil N. Siriwardane
We propose a statistical model of the term structure of U.S. treasury yields tailored for long-term probability-based scenario generation and forecasts. Our model is easy to estimate and is able to simultaneously reproduce the positivity, persistence, and factor... View Details
- 2020
- Working Paper
The Real Exchange Rate, Innovation and Productivity
By: Laura Alfaro, Alejandro Cuñat, Harald Fadinger and Yanping Liu
We evaluate manufacturing firms' responses to changes in the real exchange rate (RER) using detailed firm-level data for a large set of countries for the period 2001–2010. We uncover the following stylized facts about regional variation of manufacturing firms'... View Details
- Article
A Field Experiment on Search Costs and the Formation of Scientific Collaborations
By: Kevin Boudreau, Tom Brady, Ina Ganguli, Patrick Gaule, Eva C. Guinan, Anthony Hollenberg and Karim R. Lakhani
We present the results of a field experiment conducted at Harvard Medical School to understand the extent to which search costs affect matching among scientific collaborators. We generated exogenous variation in search costs for pairs of potential collaborators by... View Details
- 2017
- Article
Inflation Bets or Deflation Hedges? The Changing Risks of Nominal Bonds
By: John Y. Campbell, Adi Sunderam and Luis M. Viceira
The covariance between U.S. Treasury bond returns and stock returns has moved considerably over time. While it was slightly positive on average in the period 1953–2009, it was unusually high in the early 1980s and negative in the 2000s, particularly in the downturns of... View Details
- Article
Deposit Competition and Financial Fragility: Evidence from the U.S. Banking Sector
By: Mark Egan, Ali Hortaçsu and Gregor Matvos
We develop a structural empirical model of the US banking sector. Insured depositors and run-prone uninsured depositors choose between differentiated banks. Banks compete for deposits and endogenously default. The estimated demand for uninsured deposits declines with... View Details
- 2017
- Working Paper
Management as a Technology?
By: Nicholas Bloom, Raffaella Sadun and John Van Reenen
Are some management practices akin to a technology that can explain firm and national productivity, or do they simply reflect contingent management styles? We collect data on core management practices from over 11,000 firms in 34 countries. We find large cross-country... View Details
- Winter 2016
- Article
Analytics for an Online Retailer: Demand Forecasting and Price Optimization
By: Kris J. Ferreira, Bin Hong Alex Lee and David Simchi-Levi
We present our work with an online retailer, Rue La La, as an example of how a retailer can use its wealth of data to optimize pricing decisions on a daily basis. Rue La La is in the online fashion sample sales industry, where they offer extremely limited-time... View Details
- February 2015 (Revised April 2015)
- Case
The Board of Directors at Market Basket
By: Jay W. Lorsch and Emily McTague
The firing of Market Basket CEO Arthur T. Demoulas by his cousin, Arthur S. Demoulas, and directors affiliated with him set off employee protests throughout the grocery store chain. Industry specialists estimated that Market Basket was losing close to ten million... View Details
- 2015
- Chapter
Optimal Process Control of Symbolic Transfer Functions
By: Christopher Griffin and Elisabeth Paulson
Transfer function modeling is a standard technique in classical Linear Time Invariant and Statistical Process Control. The work of Box and Jenkins was seminal in developing methods for identifying parameters associated with classical (r, s, k) transfer functions.... View Details
- Article
Financial Incentives for Exercise Adherence in Adults: Systematic Review and Meta-analysis
By: Marc S. Mitchell, Jack M. Goodman, David A. Alter, Leslie K. John, Paul I. Oh, Maureen T. Pakosh and Guy E. Faulkner
Context
Less than 5% of U.S. adults accumulate the required dose of exercise to maintain health. Behavioral economics has stimulated renewed interest in economic-based, population-level health interventions to address this issue. Despite widespread implementation of... View Details