by David F. Drake - Publications - Faculty & Research - Harvard Business School

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November 2021
Article

Determining Variable Costs in the Acute Urolithiasis Cycle of Care Through Time-driven Activity-based Costing

By: Tyler R. McClintock, David F. Friedlander, Aiden Y. Feng, Mahek A. Shah, Daniel J. Pallin, Steven L. Chang, Angela M. Bader, Thomas W. Feeley, Robert S. Kaplan and George E. Haleblian

Objective. To characterize full cycle of care costs for managing an acute ureteral stone using time-driven activity-based costing.
Methods. We defined all phases of care for patients presenting with an acute ureteral stone and built an... View Details

Keywords: Time-Driven Activity-Based Costing; Health Care and Treatment; Cost; Activity Based Costing and Management

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Article

Is ‘Not Guilty’ the Same as ‘Innocent’? Evidence from SEC Financial Fraud Investigations

By: Eugene F. Soltes and David H. Solomon

When the Securities and Exchange Commission (SEC) investigates firms for financial fraud, investors learn about the investigation only if managers disclose it, or regulators sanction the firm. We investigate the effects of such disclosures using confidential records on... View Details

Keywords: Financial Fraud; Corporate Disclosure; Performance; Outcome or Result

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Article

A Megastudy of Text-Based Nudges Encouraging Patients to Get Vaccinated at an Upcoming Doctor's Appointment

By: Katherine L. Milkman, Mitesh S. Patel, Linnea Gandhi, Heather N. Graci, Dena M. Gromet, Hung Ho, Joseph S. Kay, Timothy W. Lee, Modupe Akinola, John Beshears, Jonathan E. Bogard, Alison Buttenheim, Christopher F. Chabris, Gretchen B. Chapman, James J. Choi, Hengchen Dai, Craig R. Fox, Amir Goren, Matthew D. Hilchey, Jillian Hmurovic, Leslie K. John, Dean Karlan, Melanie Kim, David Laibson, Cait Lamberton, Brigitte C. Madrian, Michelle N. Meyer, Maria Modanu, Jimin Nam, Todd Rogers, Renante Rondina, Silvia Saccardo, Maheen Shermohammed, Dilip Soman, Jehan Sparks, Caleb Warren, Megan Weber, Ron Berman, Chalanda N. Evans, Christopher K. Snider, Eli Tsukayama, Christophe Van den Bulte, Kevin G. Volpp and Angela L. Duckworth

Many Americans fail to get life-saving vaccines each year, and the availability of a vaccine for COVID-19 makes the challenge of encouraging vaccination more urgent than ever. We present a large field experiment (N = 47,306) testing 19 nudges delivered to patients via... View Details

Keywords: Vaccination; COVID-19; Nudge; Influenza; Field Experiment; Health; Communication Strategy; Behavior

2021
Working Paper

How Much Should We Trust Staggered Difference-In-Differences Estimates?

By: Andrew C. Baker, David F. Larcker and Charles C.Y. Wang

Difference-in-differences analysis with staggered treatment timing is frequently used to assess the impact of policy changes on corporate outcomes in academic research. However, recent advances in econometric theory show that such designs are likely to be biased in the... View Details

Keywords: Difference In Differences; Staggered Difference-in-differences Designs; Generalized Difference-in-differences; Dynamic Treatment Effects; Mathematical Methods

March 2018
Teaching Note

Project Titan at Northrop Grumman

By: C. Fritz Foley, Lauren G. Pickle, David Lane and F. Katelynn Boland

Teaching Note for HBS No. 215-001. In March of 2011, Northrop Grumman divested shipbuilding assets through the spin-off of Huntington Ingalls Industries. This case reviews many of the key questions faced by Northrop's CEO, CFO, and top management team during this... View Details

Keywords: Corporate Reorganization; Spin Off; Asset Sales; Managing Portfolios Of Businesses; Managing Change; Diversification; Change Management; Restructuring; Corporate Strategy; Financial Strategy; Manufacturing Industry

April 2017 (Revised May 2022)
Case

King Digital Entertainment

By: Jeffrey F. Rayport, Davide Sola, Federica Gabrieli and Elena Corsi

Riccardo Zacconi was the co-founder and CEO of King Digital Entertainment, the video game company that had quickly established itself as the world’s leading maker of casual games for mobile devices after the sensational success of its game “Candy Crush Saga.” Zacconi... View Details

Keywords: Entrepreneurship; Information Technology; Growth and Development Strategy; Organizational Structure; Acquisition; Decision Choices and Conditions; Video Game Industry; Europe; Sweden

January 2017
Article

Being Surprised by the Unsurprising: Earnings Seasonality and Stock Returns

By: Tom Y. Chang, Samuel M. Hartzmark, David H. Solomon and Eugene F. Soltes

We present evidence consistent with markets failing to properly price information in seasonal earnings patterns. Firms with historically larger earnings in one quarter of the year (“positive seasonality quarters”) have higher returns when those earnings are usually... View Details

Keywords: Business Earnings; Investment

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March 2015
Case

Unilever: Combatting Global Food Waste

By: David F. Drake, Janice H. Hammond and Matthew G. Preble

The global consumer goods company Unilever was on pace to hit a number of aggressive targets by 2020 as part of the Unilever Sustainable Living Project, including a goal to halve the waste associated with the disposal of its products. Unilever's chief supply chain... View Details

September 2014 (Revised June 2016)
Case

Whole Foods: The Path to 1,000 Stores

By: David F. Drake, Ryan W. Buell, Melissa Barton, Taylor Jones, Katrina Keverian and Jeffrey Stock

The case examines the operations strategy of Whole Foods, one of the largest natural grocery chains in the United States. In late 2013, Whole Foods was expanding rapidly, with a publicly-stated goal of growing from 351 to 1,000 domestic stores by 2022. It was also... View Details

Keywords: Human Capital; Food; Expansion; Market Entry and Exit; Operations; Strategy; Retail Industry; Food and Beverage Industry; United States

July 2014
Article

Winners in the Spotlight: Media Coverage of Fund Holdings as a Driver of Flows

By: David H. Solomon, Eugene F. Soltes and Denis Sosyura

We show that media coverage of mutual fund holdings affects how investors allocate money across funds. Controlling for fund performance, fund holdings with high past returns attract extra flows only if these stocks were recently featured in major newspapers. In... View Details

Keywords: Prejudice and Bias; Media; Investment Funds; Financial Services Industry

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5 Feb 2013
Conference Presentation

Financing Entrepreneurial Growth

By: Tom Alberg, Andrew A. Bogan, Harold Bradley, Robert D. Cooter, Monika Gruter Cheney, Oliver R. Goodenough, William R. Hambrecht, Frank Hatheway, Thomas F. Hellmann, Marianne Hudson, Jared Konczal, Josh Lerner, Robert E. Litan, Diane Mulcahy, Ramana Nanda, Frank Partnoy, Joe Ratterman, Nava Ravikant, Jay R. Ritter, Alicia Robb, David T. Robinson, Allison Schrager, Barry Silbert, E. R. Sirri, Daniel Stangler and Sharon Vosmek

Despite recent innovations in entrepreneurial finance, particularly at the early stage of business creation, many new and young companies continue to face hurdles to acquire capital.

The Kauffman Foundation addressed current challenges and opportunities in... View Details

Keywords: Finance; Entrepreneurial Finance; Venture Capital; Entrepreneurship; United States

November 2010 (Revised January 2011)
Case

Computerized Provider Order Entry at Emory Healthcare

By: Richard G. Hamermesh, F. Warren McFarlan, Mark Keil, Andrew Katz, Michael Morgan and David LaBorde

The Computerized Provider Order Entry at Emory Healthcare case presents one hospital system's efforts to implement computerized provider order entry (CPOE) across all of its hospitals and the challenges they faced in doing so. Issues such as standardization of care,... View Details

Keywords: Health Care and Treatment; Information Management; Management Systems; Standards; Service Delivery; Business Processes; Organizational Change and Adaptation; Projects; Information Technology; Applications and Software; Health Industry

October 2004 (Revised January 2006)
Tutorial

Introduction to Responsibility Accounting Systems

By: David F. Hawkins, V.G. Narayanan, Jacob Cohen and Michele Jurgens

Responsibility accounting systems generate financial and related nonfinancial information about the actual and planned activities of a company's responsibility centers--organizational units headed by managers responsible for a unit's performance. The principal... View Details

Keywords: Business or Company Management; Cost Accounting; Governance Controls; Financial Reporting; Performance Evaluation; Budgets and Budgeting; Planning

March 2000
Supplement

Charles Schwab Corporation, The: A Presentation by David Pottruck Co-CEO

By: F. Warren McFarlan and Melissa Dailey

David Pottruck, Co-CEO of Charles Schwab Corp., discusses the company's information technology and competitive strategy with an Executive Education (Program for Management Development) class at Harvard Business School, October 22, 1999. View Details

Keywords: Competitive Strategy; Information Technology; Financial Services Industry

Book Review

Review of Consuming Power: A Social History of American Energies, by David E. Nye

By: Nancy F. Koehn

Keywords: Society; History; United States

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June 1996 (Revised November 1996)
Background Note

Economic Gains from Trade: Comparative Advantage

By: Robert E. Kennedy and Nancy F. Koehn

How nations trade and whether they benefit from it are two of the oldest and most important questions in political economy. In the 170 years since David Ricardo formally developed the theory of comparative advantage, it has become one of the principles most widely... View Details

Keywords: Business Model; Microeconomics; Trade; Cost Management; Business and Government Relations

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