Publications

2018
Working Paper

Measuring Gentrification: Using Yelp Data to Quantify Neighborhood Change

By: Edward L. Glaeser, Hyunjin Kim and Michael Luca

We demonstrate that data from digital platforms such as Yelp have the potential to improve our understanding of gentrification, both by providing data in close to real time (i.e., nowcasting and forecasting) and by providing additional context about how the local... View Details

Keywords: Geographic Location; Local Range; Transition; Analytics and Data Science; Measurement and Metrics; Forecasting and Prediction

Article

Ensembles of Overfit and Overconfident Forecasts

By: Y. Grushka-Cockayne, V.R.R. Jose and K. C. Lichtendahl

Firms today average forecasts collected from multiple experts and models. Because of cognitive biases, strategic incentives, or the structure of machine-learning algorithms, these forecasts are often overfit to sample data and are overconfident. Little is known about... View Details

Keywords: Decision Analysis; Data Science; Forecasting and Prediction; Data and Data Sets

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19 Dec 2023
Research & Ideas

$15 Billion in Five Years: What Data Tells Us About MacKenzie Scott’s Philanthropy

analysis was tax filings made with the US Internal Revenue Service, which is the most comprehensive and reliable source of nonprofit financial information. Our financial data reflects the year prior to the... View Details

Keywords: by Matthew Lee, Brian Trelstad, and Ethan Tran

May 2009 (Revised October 2009)
Case

Verne Global: Building a Green Data Center in Iceland

Verne Global, a pioneering startup created to build the first large-scale data center in Iceland, faces critical challenges regarding its green strategy. Verne Co-Founder Isaac Kato is tasked with evaluating how the company can most successfully market and sell the... View Details

Keywords: Buildings and Facilities; Business Startups; Marketing Strategy; Product Marketing; Sales; Environmental Sustainability; Pollutants; Green Technology Industry; Service Industry; Iceland

Educators

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2023
Working Paper

Distributionally Robust Causal Inference with Observational Data

By: Dimitris Bertsimas, Kosuke Imai and Michael Lingzhi Li

We consider the estimation of average treatment effects in observational studies and propose a new framework of robust causal inference with unobserved confounders. Our approach is based on distributionally robust optimization and proceeds in two steps. We first... View Details

Keywords: AI and Machine Learning; Mathematical Methods

September 1996
Case

Automatic Data Processing: The EFS Decision (Abridged)

By: Robert L. Simons

The managing director of one of ADP's divisions must recommend whether to divest, harvest, or grow the division. Recent performance has been excellent and the near-term outlook for profitability is very promising. Despite some strategic concerns, the strong financial... View Details

Keywords: Business Divisions; Success; Performance Expectations; Strategic Planning; Strategy

March 2010
Article

Sudden Stops: Determinants and Output Effects in the First Era of Globalization, 1880–1913

By: Michael D. Bordo, Alberto Cavallo and Christopher Meissner

We study the determinants and output effects of sudden stops in capital inflows during an era of intensified globalization from 1880 to 1913. Higher levels of exposure to foreign currency debt and large current account deficits associated with reliance on foreign... View Details

Keywords: Sudden Stops; Capital Flows; Economics; Macroeconomics; Economic Growth; Financial Crisis; Globalization; History

2023
Working Paper

Black-box Training Data Identification in GANs via Detector Networks

By: Lukman Olagoke, Salil Vadhan and Seth Neel

Since their inception Generative Adversarial Networks (GANs) have been popular generative models across images, audio, video, and tabular data. In this paper we study whether given access to a trained GAN, as well as fresh samples from the underlying distribution, if... View Details

Keywords: Cybersecurity; Copyright; AI and Machine Learning; Analytics and Data Science

01 Jan 1977
Conference Presentation

Short Term Natural Gas Consumption Forecasts: Optimal Use of National Weather Service Data

By: James K. Sebenius and Richard Lehman

Keywords: Forecasting and Prediction; Research; Business and Government Relations; Energy Industry

September 1987
Article

Short-term and Long-term Expectations of the Yen/Dollar Exchange Rate: Evidence from Survey Data

By: J. Frankel and K. A. Froot

Keywords: Currencies; Exchange Rates; Asset Pricing; International Macroeconomics; Monetary Policy; Currency Controls; Fixed Exchange Rates; Floating Exchange Rates; Currency Bands; Currency Zones; Currency Areas; Rational Expectations; Japan; United States

12 Apr 2022
Research & Ideas

Swiping Right: How Data Helped This Online Dating Site Make More Matches

Their research suggests that transparency on dating sites—as simple as allowing users to see the identity and photos of those who “swiped right” to show their interest—improves engagement for both men and women. Since Match.com launched... View Details

Keywords: by Kara Baskin

May 2020
Article

Inventory Auditing and Replenishment Using Point-of-Sales Data

By: Achal Bassamboo, Antonio Moreno and Ioannis Stamatopoulos

Spoilage, expiration, damage due to employee/customer handling, employee theft, and customer shoplifting usually are not reflected in inventory records. As a result, records often report phantom inventory, i.e., units of good not available for sale. We derive an... View Details

Keywords: Shelf Availability; Inventory Record Inaccuracy; Optimal Replenishment; Retail Analytics; Performance Effectiveness; Analysis; Mathematical Methods

February 2013 (Revised February 2013)
Case

King Abdullah Economic City in 2009: Population Drivers and Cash Flow

By: John D. Macomber

CEO of high profile new economic city in Saudi Arabia must decide how to allocate limited investment funds across projects under duress. Issues include understanding core economic drivers, planning infrastructure investment and return, attracting multinationals, energy... View Details

Keywords: Urban Development; Infrastructure; Real Estate Industry; Saudi Arabia