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2019
Working Paper

Machine Learning Approaches to Facial and Text Analysis: Discovering CEO Oral Communication Styles

By: Prithwiraj Choudhury, Dan Wang, Natalie A. Carlson and Tarun Khanna

We demonstrate how a novel synthesis of three methods—(1) unsupervised topic modeling of text data to generate new measures of textual variance, (2) sentiment analysis of text data, and (3) supervised ML coding of facial images with a cutting-edge convolutional neural... View Details

Keywords: Spoken Communication; Business History; Analytics and Data Science; Finance; Performance

January 2018 (Revised April 2021)
Case

Capital Allocation at HCA

By: W. Carl Kester and Emily R. McComb

In early 2017, HCA Holdings, an investor-owned hospital management company, faced a strategically important capital allocation decision. After the exit of its private equity sponsors in 2016, HCA had to determine how best to allocate its substantial annual free cash... View Details

Keywords: Capital Allocation; Cash Distribution Policy; Dividends; Share Repurchases; Growth Strategy And Execution; Growth Investing; Capital Expenditures; Debt Management; Debt Reduction; Debt Policy; Hospital Management; Investor-owned Hospital Chains; Capital Budgeting; Capital Structure; Cash Flow; Corporate Finance; Decision Choices and Conditions; Health Industry; United States

January 2018 (Revised February 2018)
Technical Note

The Scope of Business at the Base of the Pyramid: Poverty in the U.S. and Other OECD Countries

By: V. Kasturi Rangan and Tricia Gregg

Using data from U.S. Census and OECD, this note defines poverty as those populations who fall below 50% of that country’s median per capita income. It then provides a brief statistical tour of six key challenges facing such populations: Income and Jobs, Healthcare,... View Details

Keywords: Poverty; Social Issues; Problems and Challenges; Global Range

January 2018
Case

Viacom: Democratization of Data Science

By: Shane Greenstein and Christine Snively

In two short years, Viacom’s Data Science & Advanced Analytics team built a web platform called Science Central that allowed employees from Viacom’s 20+ cable networks to access television audience insights through three data science apps. In the past, employees would... View Details

Keywords: Data Science; Big Data; Digital Platforms; Analytics and Data Science; Expansion; Strategic Planning

January 2018 (Revised January 2021)
Background Note

Customer Lifetime Social Value (CLSV)

By: Elie Ofek, Barak Libai and Eitan Muller

One of the hallmarks of the digital revolution is the rise of the socially connected consumer. Concomitantly, the ability of companies to affect and measure the social interactions among customers has grown tremendously. Consequently, in assessing the full value of... View Details

Keywords: Customer Lifetime Value; Customer Management; Social Contagion; Word Of Mouth; Customer Engagement; Customer Value and Value Chain; Measurement and Metrics; Customer Relationship Management

January 2018
Case

OldTown Berhad

By: Benjamin C. Esty and Greg Saldutte

In December 2017, Jacobs Douwe Egberts (JDE, a Dutch coffee company) made an offer to acquire OldTown Berhad (OTB), a Malaysian coffee company. Three large shareholders, representing more than half of the outstanding shares, have agreed to tender their shares, and... View Details

January 2018
Supplement

OldTown Berhad

By: Benjamin C. Esty and Greg Saldutte

In December 2017, Jacobs Douwe Egberts (JDE, a Dutch coffee company) made an offer to acquire OldTown Berhad (OTB), a Malaysian coffee company. Three large shareholders, representing more than half of the outstanding shares, have agreed to tender their shares and... View Details

January 2018 (Revised January 2019)
Case

ZappRx

By: Jeffrey J. Bussgang and Olivia Hull

In October 2015, ZappRx founder Zoe Barry is deciding between two business models for her health technology start-up. Her product, a software application that aims to expedite the prescription fulfillment process for patients with rare diseases, has attracted interest... View Details

Keywords: Speciality Drugs; Hub Services; Pivot; Speciality Prescriptions; Health Care and Treatment; Customization and Personalization; Internet and the Web; Business Model; Decision Choices and Conditions; Pharmaceutical Industry; Massachusetts

2019
Working Paper

Do Banks Have an Edge?

By: Juliane Begenau and Erik Stafford

Overall, no! We show that the level and time series variation in cash flows for most bank activities are well matched by capital market portfolios with similar interest rate and credit risk to what banks report to hold. Ignoring operating expenses, bank loans earn high... View Details

Keywords: Banks; Market Efficiency; Bank Capital; Bank Debt; CAPM; Banking; Bank Deposits; Bank Funding Advantage; Leverage; Maturity Transformation; Replicating Portfolio; Efficiency; Banks and Banking; Capital Markets; Performance Evaluation; Performance Efficiency; Banking Industry; United States

January–February 2018
Article

Ads That Don't Overstep: How to Make Sure You Don't Take Personalization Too Far

By: Leslie John, Tami Kim and Kate Barasz

Data gathered on the web has vastly enhanced the capabilities of marketers. With people regularly sharing personal details online and internet cookies tracking every click, companies can now gain unprecedented insight into individual consumers and target them with... View Details

Keywords: Digital Marketing; Customization and Personalization; Information; Customers; Attitudes

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January 2018
Article

Big Data and Big Cities: The Promises and Limitations of Improved Measures of Urban Life

By: Edward L. Glaeser, Scott Duke Kominers, Michael Luca and Nikhil Naik

New, "big" data sources allow measurement of city characteristics and outcome variables at higher frequencies and finer geographic scales than ever before. However, big data will not solve large urban social science questions on its own. Big data has the most value for... View Details

Keywords: Analytics and Data Science; Urban Scope; City

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2023
Working Paper

Efficient Discovery of Heterogeneous Quantile Treatment Effects in Randomized Experiments via Anomalous Pattern Detection

By: Edward McFowland III, Sriram Somanchi and Daniel B. Neill

In the recent literature on estimating heterogeneous treatment effects, each proposed method makes its own set of restrictive assumptions about the intervention’s effects and which subpopulations to explicitly estimate. Moreover, the majority of the literature provides... View Details

Keywords: Causal Inference; Program Evaluation; Algorithms; Distributional Average Treatment Effect; Treatment Effect Subset Scan; Heterogeneous Treatment Effects

Article

Mitigating Bias in Adaptive Data Gathering via Differential Privacy

By: Seth Neel and Aaron Leon Roth

Data that is gathered adaptively—via bandit algorithms, for example—exhibits bias. This is true both when gathering simple numeric valued data—the empirical means kept track of by stochastic bandit algorithms are biased downwards—and when gathering more complicated... View Details

Keywords: Bandit Algorithms; Bias; Analytics and Data Science; Mathematical Methods; Theory

2018
Chapter

Transportation Cost and the Geography of Foreign Investment

By: Laura Alfaro and Maggie Chen

Falling transportation costs and rapid technological progress in recent decades have precipitated an explosion of cross-border flows in goods, services, investments, and ideas led by multinational firms. Extensive research has sought to understand the geographic... View Details

Keywords: Foreign Direct Investment; Cost; Transportation; Geographic Scope; Geographic Location

January 2018
Article

Who Gets Hired? The Importance of Competition Among Applicants

By: Edward P. Lazear, Kathryn L. Shaw and Christopher Stanton

Despite seeming to be an important requirement for hiring, the concept of a slot is absent from virtually all of economics. Macroeconomic studies of vacancies and search come closest, but the implications of slot-based hiring for individual worker outcomes has not been... View Details

Keywords: Hiring; Selection and Staffing; Employment; Competency and Skills

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December 2017 (Revised June 2021)
Case

Tesla's Bid for SolarCity (A)

By: Charles C.Y. Wang and Raaj Zutshi

In October 2016, Tesla asked its shareholders to ratify their $2.4 billion bid for SolarCity. Tesla had announced a series of large projects in the preceding months including the unveiling of the Model 3, the new Solar Roof, and pushing forward the opening of the... View Details

Keywords: Mergers and Acquisitions; Business and Shareholder Relations; Project Finance

December 2017 (Revised January 2018)
Teaching Note

Bega Cheese: Bidding to Bring Vegemite Back Home

By: Benjamin C. Esty, Lauren G. Pickle and Greg Saldutte

In January 2017, the leadership team of Bega Cheese—the Australian dairy company—was considering a bid for Mondelēz International’s Australia and New Zealand (ANZ) grocery business which included several leading consumer brands such as Vegemite, the iconic Australian... View Details

December 2017 (Revised January 2022)
Supplement

Bega Cheese: Bidding to Bring Vegemite Back Home

By: Benjamin C. Esty and Lauren G. Pickle

In January 2017, the leadership team of Bega Cheese—the Australian dairy company—was considering a bid for Mondelēz International’s Australia and New Zealand (ANZ) grocery business which included several leading consumer brands including Vegemite, the iconic Australian... View Details

December 2017
Supplement

Bega Cheese: Bidding to Bring Vegemite Back Home

By: Benjamin C. Esty and Lauren G. Pickle

In January 2017, the leadership team of Bega Cheese—the Australian dairy company—was considering a bid for Mondelēz International’s Australia and New Zealand (ANZ) grocery business which included several leading consumer brands (Vegemite—the iconic Australian spread,... View Details

December 2017 (Revised February 2021)
Case

Bega Cheese: Bidding to Bring Vegemite Back Home

By: Benjamin C. Esty and Lauren G. Pickle

In January 2017, the leadership team of Bega Cheese—the Australian dairy company—was considering a bid for Mondelēz International’s Australia and New Zealand (ANZ) grocery business, which included several leading consumer brands such as Vegemite, the iconic Australian... View Details

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