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- All HBS Web (218)
- Faculty Publications (65)
Show Results For
- All HBS Web (218)
- Faculty Publications (65)
- May 2022
- Article
Variance Analysis: New Insights from Health Care Applications
By: Robert S. Kaplan and Susanna Gallani
We use a health care application to illustrate how variance analysis can be used to benchmark costs across similar service delivery sites. Variances for personnel costs, typically the largest cost component in service organizations, are calculated for price, quantity,... View Details
Keywords: Variance Analysis; Benchmarking; Time-Driven Activity-Based Costing; Health Care; Activity Based Costing and Management; Health Care and Treatment; Service Delivery; Service Industry
Kaplan, Robert S., and Susanna Gallani. "Variance Analysis: New Insights from Health Care Applications." Issues in Accounting Education 37, no. 2 (May 2022): 27–36.
- April 2004 (Revised July 2005)
- Case
Offshoring at Global Information Systems, Inc.
This case explores the topic of offshoring high-tech jobs several perspectives. The issues presented include determining the stock price consequences of offshoring, examining the economic consequences of the offshore job to both the transferring and receiving... View Details
Fruhan, William E., Jr. "Offshoring at Global Information Systems, Inc." Harvard Business School Case 204-144, April 2004. (Revised July 2005.)
- July 2009
- Article
How Is Foreign Aid Spent? Evidence from a Natural Experiment
By: Eric D. Werker, Faisal Z. Ahmed and Charles Cohen
We use oil price fluctuations to test the impact of transfers from wealthy OPEC nations to their poorer Muslim allies. The instrument identifies plausibly exogenous variation in foreign aid. We investigate how aid is spent by tracking its short-run effect on aggregate... View Details
Werker, Eric D., Faisal Z. Ahmed, and Charles Cohen. "How Is Foreign Aid Spent? Evidence from a Natural Experiment." American Economic Journal: Macroeconomics 1, no. 2 (July 2009): 225–244. (Reprinted in Geopolitics of Foreign Aid, ed. Helen Milner and Dustin Tingley. Northampton: Edward Elgar, 2013.)
- 2009
- Working Paper
Running Out of Numbers: Scarcity of IP Addresses and What to Do About It
By: Benjamin Edelman
The Internet's current numbering system is nearing exhaustion: Existing protocols allow only a finite set of computer numbers ("IP addresses"), and central authorities will soon deplete their supply. I evaluate a series of possible responses to this shortage: Sharing... View Details
Keywords: Policy; Resource Allocation; Market Transactions; Internet; Technology Networks; Technology Industry; Telecommunications Industry
Edelman, Benjamin. "Running Out of Numbers: Scarcity of IP Addresses and What to Do About It." Harvard Business School Working Paper, No. 09-091, February 2009. (Revised March 2009.)
- May 1992 (Revised January 2000)
- Supplement
ABB: Accountability Times Two (B)
By: Robert L. Simons
Describes internal allocation conflicts in a complex global company structured as a matrix organization. ABB Switzerland has secured and will build an important power station project; however, internal market allocation policies dictate that this work be handled by ABB... View Details
Simons, Robert L. "ABB: Accountability Times Two (B)." Harvard Business School Supplement 192-142, May 1992. (Revised January 2000.)
How Is Foreign Aid Spent?
We use oil price fluctuations to test the impact of transfers from wealthy OPEC nations to their poorer Muslim allies. The instrument identifies plausibly exogenous variation in foreign aid. We investigate how aid is spent by tracking its short-run effect on... View Details
- 2007
- Working Paper
How Is Foreign Aid Spent? Evidence from a Natural Experiment
By: Eric D. Werker, Faisal Z. Ahmed and Charles Cohen
We use oil price fluctuations to construct a new instrument to test the impact of transfers from wealthy OPEC nations to their poorer Muslim allies. The instrument identifies plausibly exogenous variation in foreign aid. We investigate how aid is spent by tracking its... View Details
Werker, Eric D., Faisal Z. Ahmed, and Charles Cohen. "How Is Foreign Aid Spent? Evidence from a Natural Experiment." Harvard Business School Working Paper, No. 07-074, April 2007. (Revised December 2007, July 2008.)
- March 2003 (Revised March 2004)
- Case
P&G Japan: The SK-II Globalization Project
Traces changes in P&G's international strategy and structure, culminating in Organization 2005, a reorganization that places strategic emphasis on product innovation rather than geographic expansion and shifts power from local subsidiary to global business management.... View Details
Keywords: Business Subsidiaries; Trade; Globalization; Global Strategy; Innovation Strategy; Business or Company Management; Beauty and Cosmetics Industry; Consumer Products Industry; Hong Kong; Japan; Taiwan; Europe
Bartlett, Christopher A. "P&G Japan: The SK-II Globalization Project." Harvard Business School Case 303-003, March 2003. (Revised March 2004.)
- 2015
- Working Paper
Service Quality, Inventory and Competition: An Empirical Analysis of Mobile Money Agents in Africa
By: Karthik Balasubramanian and David F. Drake
The use of electronic money transfer through cellular networks ("mobile money") is rapidly increasing in the developing world. The resulting electronic currency ecosystem could improve the lives of the estimated 2 billion people who live on less than $2 a day by... View Details
Keywords: Operations Strategy; Base Of The Pyramid; Mobile Money; Inventory Management; Competition; Currency; Service Operations; Mobile and Wireless Technology
Balasubramanian, Karthik, and David F. Drake. "Service Quality, Inventory and Competition: An Empirical Analysis of Mobile Money Agents in Africa." Harvard Business School Working Paper, No. 15-059, January 2015. (Revised October 2015.)
IPv4 scarcity and IPv6 transition
Every device connected to the Internet—from PCs to tablets, printers to cash registers—needs an Internet Protocol (IP) address. The current addressing standard, IPv4, uses addresses with 32 binary digits, allowing approximately 4 billion IP addresses. These have... View Details
- 2016
- Working Paper
Controlling Versus Enabling — Online Appendix
By: Andrei Hagiu and Julian Wright
Section 1 of this online appendix contains the proof of the technical Lemma (Lemma 2) used in the Proof of Lemma 1 in the main paper, which states that Ω* (.) is continuous and differentiable at R*. Section 2 provides the linear example with cost differences between... View Details
Hagiu, Andrei, and Julian Wright. "Controlling Versus Enabling — Online Appendix." Harvard Business School Working Paper, No. 16-004, July 2015. (Revised July 2016.)
- March 2020
- Article
Synergistic Value in Vertically Integrated Power-to-Gas Energy Systems
By: Gunther Glenk and Stefan Reichelstein
In vertically integrated energy systems, integration frequently entails operational gains that must be traded off against the requisite cost of capacity investments. In the context of the model analyzed in this study, the operational gains are subject to inherent... View Details
Keywords: Vertical Integration; Volatility; Capital Investment; Capacity Management; Renewable Energy; Green Hydrogen; Decarbonization; Carbon Emissions; Environment; Energy; Environmental Accounting; Environmental Management; Environmental Sustainability; Investment; Decision Making; Operations; Technological Innovation; Green Technology; Energy Industry; Utilities Industry; Consulting Industry; Green Technology Industry; Industrial Products Industry; Manufacturing Industry; Technology Industry; Steel Industry; Shipping Industry; Transportation Industry; Europe; North America; South America; Africa; Asia
Glenk, Gunther, and Stefan Reichelstein. "Synergistic Value in Vertically Integrated Power-to-Gas Energy Systems." Production and Operations Management 29, no. 3 (March 2020): 526–546.
- 2019
- Working Paper
U.S. Antitrust Law and Policy in Historical Perspective
By: Laura Phillips Sawyer
The key pieces of antitrust legislation in the United States—the Sherman Antitrust Act of 1890 and the Clayton Act of 1914—contain broad language that has afforded the courts wide latitude in interpreting and enforcing the law. This article chronicles the judiciary’s... View Details
Keywords: Antitrust; Trusts; Restraint Of Trade; Merger; Cartel; New Deal; Harvard School; Chicago School Of Law And Economics; Post-Chicago; Law; Competition; Policy; Vertical Integration; Horizontal Integration; Acquisition
Phillips Sawyer, Laura. "U.S. Antitrust Law and Policy in Historical Perspective." Harvard Business School Working Paper, No. 19-110, May 2019. (Revised September 2019.)
- 2020
- Working Paper
Costly External Financing and Monetary Policy Transmission: Evidence from a Natural Experiment
By: Emily Williams
I provide new evidence that large and small banks have different external financing costs, which generates cross sectional variation in a deposits market pricing power channel of monetary policy transmission. I do so by exploiting a natural experiment using anti-trust... View Details
Keywords: External Financing; Monetary Policy Transmission; Experiment; Banks and Banking; Financing and Loans; Interest Rates
Williams, Emily. "Costly External Financing and Monetary Policy Transmission: Evidence from a Natural Experiment." Working Paper, April 2020.
- March 2004 (Revised November 2012)
- Teaching Note
P&G Japan: The SK-II Globalization Project (TN)
Traces changes in P&G's international strategy and structure, culminating in Organization 2005, a reorganization that places strategic emphasis on product innovation rather than geographic expansion and shifts power from local subsidiary to global business management.... View Details
- 2011
- Working Paper
Non-Audit Services and Financial Reporting Quality: Evidence from 1978-1980
By: Kevin Koh, Shiva Rajgopal and Suraj Srinivasan
We provide evidence for the long-standing concern on auditor conflicts of interest from providing non-audit services (NAS) to audit clients by using rarely explored NAS fee data from 1978 to 1980. Using this earlier setting, we find cross-sectional evidence of improved... View Details
Keywords: Accounting Audits; Financial Reporting; Stocks; Price; Corporate Disclosure; Governing Rules, Regulations, and Reforms; Service Delivery; Quality; Research
Koh, Kevin, Shiva Rajgopal, and Suraj Srinivasan. "Non-Audit Services and Financial Reporting Quality: Evidence from 1978-1980." Harvard Business School Working Paper, No. 12-002, July 2011.
- Research Summary
Current research
Professor Pomeranz's research is situated at the intersection of development economics and public finance. Her current work focuses in particular on corporate taxation and public procurement, the two key ways in which government finance affects firms and entrepreneurs.... View Details
- 2013
- Article
Non-Audit Services and Financial Reporting Quality: Evidence from 1978–1980
By: Kevin Koh, Shiva Rajgopal and Suraj Srinivasan
We provide evidence for the long-standing concern on auditor conflicts of interest from providing non-audit services (NAS) to audit clients by using rarely explored NAS fee data from 1978 to 1980. Using this earlier setting, we find cross-sectional evidence of improved... View Details
Keywords: Conflict of Interests; Financial Reporting; Accounting Audits; Knowledge Dissemination; Quality; Corporate Disclosure; Motivation and Incentives
Koh, Kevin, Shiva Rajgopal, and Suraj Srinivasan. "Non-Audit Services and Financial Reporting Quality: Evidence from 1978–1980." Review of Accounting Studies 18, no. 1 (March 2013): 1–33.
- 31 Aug 2007
- Working Paper Summaries
Exclusivity and Control
- 16 Mar 2009
- Working Paper Summaries