Publications

March 2020
Article

Diagnosing Missing Always at Random in Multivariate Data

By: Iavor I. Bojinov, Natesh S. Pillai and Donald B. Rubin

Models for analyzing multivariate data sets with missing values require strong, often assessable, assumptions. The most common of these is that the mechanism that created the missing data is ignorable—a twofold assumption dependent on the mode of inference. The first... View Details

Keywords: Missing Data; Diagnostic Tools; Sensitivity Analysis; Hypothesis Testing; Missing At Random; Row Exchangeability; Analytics and Data Science; Mathematical Methods

2019
Working Paper

The Impact of the General Data Protection Regulation on Internet Interconnection

By: Ran Zhuo, Bradley Huffaker, KC Claffy and Shane Greenstein

The Internet comprises thousands of independently operated networks, where bilaterally negotiated interconnection agreements determine the flow of data between networks. The European Union’s General Data Protection Regulation (GDPR) imposes strict restrictions on... View Details

Keywords: Personal Data; Privacy Regulation; GDPR; Interconnection Agreements; Internet and the Web; Governing Rules, Regulations, and Reforms; European Union

July 2005
Article

The Consequences of Labor Market Flexibility: Panel Evidence Based on Survey Data

By: Rafael Di Tella and Robert MacCulloch

We introduce a new data set on hiring and firing restrictions for 21 OECD countries for the period 1984 –1990. The data are based on surveys of business people in the countries covered, so the indices we use are subjective in nature. Controlling for country and time... View Details

Keywords: Job Security Provisions; Subjective Data; Unemployment; Employment; Labor; Markets; Data and Data Sets

February 2021 (Revised February 2021)
Background Note

eGrocery and the Role of Data for CPG Firms

By: Ayelet Israeli, Fedor (Ted) Lisitsyn and Mark A. Irwin

This notes provides information about the eGrocery industry and how traditional CPG companies handle this channel and potential data. It is recommended to use together with a series of exercises entitled: "E-Commerce Analytics for CPG Firms (A), (B), and (C)." View Details

Article

Core Earnings: New Data and Evidence

By: Ethan Rouen, Eric C. So and Charles C.Y. Wang

Using a novel dataset, we show that components of firms' GAAP earnings stemming from ancillary business activities or transitory shocks are significant in frequency and magnitude. These components have grown over time and are dispersed across various sections of the... View Details

Keywords: Core Earnings; Transitory Earnings; Non-operating Earnings; Quantitative Disclosures; Equity Valuation; Big Data; Business Earnings; Financial Reporting; Valuation; Analytics and Data Science

Article

Gathering Data for Archival, Field, Survey, and Experimental Accounting Research

By: Robert Bloomfield, Mark W. Nelson and Eugene F. Soltes

In the published proceedings of the ﬁrst Journal of Accounting Research Conference, Vatter (1966) lamented that “Gathering direct and original facts is a tedious and difﬁcult task, and it is not surprising that such work is avoided.” For the 50th JAR Conference,... View Details

Keywords: Archival; Data; Experiment; Empirical Methods; Field Study; Analytics and Data Science; Surveys; Financial Reporting

Fast Answer

Bonds: data

Where do I find data on bonds? Bloomberg Use the GOVT or CORP yellow keys For yield curves, type FMCI, then hit GO Capital IQ Screening Go to Screening > Fixed Income See Fixed Income section on the lower right hand side to screen by a... View Details

February 2003 (Revised October 2003)
Case

Cable Data Systems

By: Paul W. Marshall and Todd H Thedinga

Describes the operating challenges of Cable Data Systems (CDS), a minority-owned cable installation company with a dual mission of maximizing profits and providing employment opportunities to minorities in urban markets. Following the merger of two cable installation... View Details

Keywords: Selection and Staffing; Employment; Forecasting and Prediction; Urban Scope; Cost Management; Infrastructure; Labor Unions; Demand and Consumers; Demographics; Media and Broadcasting Industry; Telecommunications Industry; Boston

November 2017
Teaching Note

Predicting Consumer Tastes with Big Data at Gap

By: Ayelet Israeli and Jill Avery

CEO Art Peck was eliminating his creative directors for The Gap, Old Navy, and Banana Republic brands and promoting a collective creative ecosystem fueled by the input of big data. Rather than relying on artistic vision, Peck wanted the company to use the mining of big... View Details

Web

Employment Data Trends

Employment Data Trends Employment Data Trends Trends Career Data Internship Data Trends by Industry 2020 2021 2022 2023 2024 Consulting 24% 23%... View Details

File

Data Appendix

January 2022
Technical Note

BGIE Macro Data Repository

By: Alberto Cavallo

This technical note describes an up-to-date data repository containing balance of payment, exchange rate, and aggregate macroeconomic data in a standard format used by case studies written by members of the Business, Government & the International Economy (BGIE) group... View Details

Keywords: Macroeconomics

October 2017 (Revised April 2019)
Case

Data Breach at Equifax

By: Suraj Srinivasan, Quinn Pitcher and Jonah S. Goldberg

The case discusses the events leading up to the massive data breach at Equifax, one of the three U.S. credit reporting companies, the organizational and governance issues that contributed to the breach, and the consequences of the breach. The case supplement provides... View Details

Keywords: Safety; Information Management; Cybersecurity; Technology Industry; United States

Teaching Interest

Data Science for Managers

By: Dennis Campbell

Data science has become the new language of business. Many roles across the enterprise in finance, marketing, human resources, operations, innovation, and strategy now rely heavily on data science for important managerial decisions. Given the increasing ubiquity and... View Details

December 2017
Teaching Note

Yemeksepeti: Growing and Expanding the Business Model through Data

By: William R. Kerr and Alexis Brownell

Teaching Note for HBS No. 817-095. View Details

Keywords: Turkey; Internet; Online Ordering; Restaurants; Big Data; Entrepreneurship; Analytics and Data Science; Internet and the Web; Growth and Development Strategy; Food and Beverage Industry; Turkey

Fast Answer

Insider Data from Thomson Reuters Ownership Data

How do I find insider holding data from Thomson Reuters in WRDS? You can search for insider holdings through Thomson Reuters... View Details

June 2006 (Revised September 2006)
Case

Tech Data Corporation

Tech Data is a global supplier of logistics management services and one of the world's largest distributors of information technology equipment. Operational execution is key for the company, which has gross margins in the 5% range. At the end of 2005, the company had... View Details

Keywords: Competition; Information Infrastructure; Operations; Growth and Development Strategy

November 2023 (Revised March 2024)
Technical Note

Customer Data Privacy

By: Eva Ascarza and Ta-Wei Huang

This note provides an overview of the evolving landscape of customer data privacy in 2023. It highlights two pivotal aspects that make privacy a central concern for businesses: building and maintaining customer trust and navigating the intricate regulatory... View Details

Keywords: Customer Relationship Management; Governance Compliance; Governing Rules, Regulations, and Reforms; Risk and Uncertainty; Reputation; Trust; Information Management; Retail Industry; Technology Industry; Financial Services Industry; Telecommunications Industry; Europe; United States