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  • All HBS Web  (3,673)
    • People  (9)
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    • Multimedia  (3)
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  • August 2022
  • Background Note

Retail Media Networks

By: Eva Ascarza, Ayelet Israeli and Celine Chammas
In 2022, retail media was one of the fastest growing segments in digital advertising. A retail media network (RMN) allows a retailer to use its assets for advertising. Retailers set up an advertising business by allowing marketers to buy advertising space across their... View Details
Keywords: Advertisers; Advertising Media; Media And Broadcasting Industry; Retail; Retail Analytics; Retail Promotion; Retailing; Ecommerce; E-Commerce Strategy; E-commerce; Marketing Communication; Targeting; Targeted Advertising; Targeted Marketing; Advertising; Marketing; Marketing Communications; Marketing Strategy; Brands and Branding; Media; Marketing Channels; Retail Industry; Consumer Products Industry; Advertising Industry; United States
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Ascarza, Eva, Ayelet Israeli, and Celine Chammas. "Retail Media Networks." Harvard Business School Background Note 523-029, August 2022.

    Networks as Covers: Evidence from an On-line Social Network

    This paper proposes that networks can act as covers which allow actors to participate in markets while maintaining a plausible excuse that they are not. Such covers are most valuable to actors in long-term relationships, as those who are already... View Details
    • 2009
    • Article

    Compelled to Help: Effects of Direct and Indirect Exchange on Perceived Obligation in Professional Networks

    By: Roy Y.J. Chua, Billian Sullivan and Michael W. Morris
    This research examines felt obligation to help others in employees' and managers' professional networks using a social exchange perspective. We hypothesize that obligation toward others would follow the norms of both direct and indirect reciprocity. Direct reciprocity... View Details
    Keywords: Perspective; Conflict of Interests; Research; Surveys; Networks; Forecasting and Prediction; Social Issues
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    Chua, Roy Y.J., Billian Sullivan, and Michael W. Morris. "Compelled to Help: Effects of Direct and Indirect Exchange on Perceived Obligation in Professional Networks." Academy of Management Annual Meeting Proceedings (2009).
    • 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
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    Bloomfield, Robert, Mark W. Nelson, and Eugene F. Soltes. "Gathering Data for Archival, Field, Survey, and Experimental Accounting Research." Journal of Accounting Research 54, no. 2 (May 2016): 341–395.
    • 2013
    • Working Paper

    Networks as Covers: Evidence from an On-Line Social Network

    By: Mikolaj Jan Piskorski
    This paper proposes that networks give actors a cover by giving them the excuse of sociability to engage in normatively prohibited market behaviors. I apply this hypothesis to actors in long-term exclusive relationships who are surreptitiously seeking new relationships... View Details
    Keywords: Strategy; Behavior; Ethics; Relationships; Social and Collaborative Networks
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    Piskorski, Mikolaj Jan. "Networks as Covers: Evidence from an On-Line Social Network." Harvard Business School Working Paper, No. 13-083, March 2013.
    • September–October 2013
    • Article

    The Dynamic Advertising Effect of Collegiate Athletics

    By: Doug J. Chung
    I measure the spillover effect of intercollegiate athletics on the quantity and quality of applicants to institutions of higher education in the United States, popularly known as the "Flutie Effect." I treat athletic success as a stock of goodwill that decays over... View Details
    Keywords: Choice Modeling; Entertainment Marketing; Heterogeneity; Panel Data; Structural Modeling; Rights; Analytics and Data Science; Higher Education; Ethics; Consumer Behavior; Advertising; Sports; Advertising Industry; Education Industry
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    Chung, Doug J. "The Dynamic Advertising Effect of Collegiate Athletics." Marketing Science 32, no. 5 (September–October 2013): 679–698. (Lead article. Featured in HBS Working Knowledge.)
    • 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
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    Di Tella, Rafael, and Robert MacCulloch. "The Consequences of Labor Market Flexibility: Panel Evidence Based on Survey Data." European Economic Review 49, no. 5 (July 2005): 1225–59.

      Electronic Trace Data and Legal Outcomes: The Effect of Electronic Medical Records on Malpractice Claim Resolution Time

      Information systems generate copious trace data about what individuals do and when they do it. Trace data may affect the resolution of lawsuits by, for... View Details

      • September–October 2015
      • Article

      Facts and Figuring: An Experimental Investigation of Network Structure and Performance in Information and Solution Spaces

      By: Jesse Shore, Ethan Bernstein and David Lazer
      Using data from a novel laboratory experiment on complex problem solving in which we varied the structure of 16-person networks, we investigate how an organization's network structure shapes performance of problem-solving tasks. Problem solving, we argue, involves both... View Details
      Keywords: Networks; Experiments; Clustering; Problem Solving; Exploration And Exploitation; Knowledge; Search; Collaboration; Collaboration Structures; Transparency; Communication; Communication Technology; Information; Knowledge Use and Leverage; Organizational Design; Organizational Structure; Performance Effectiveness; Theory; Information Industry; Information Technology Industry; Public Administration Industry; Technology Industry; Service Industry
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      Shore, Jesse, Ethan Bernstein, and David Lazer. "Facts and Figuring: An Experimental Investigation of Network Structure and Performance in Information and Solution Spaces." Organization Science 26, no. 5 (September–October 2015): 1432–1446. (Won 2014 INGRoup Outstanding Paper Award.)
      • 2017
      • Case

      Uncommon Schools (A): A Network of Networks

      By: John J-H Kim and Sarah McAra
      In 2013, Brett Peiser, CEO of the charter school management organization (CMO) Uncommon Schools, is reassessing the nonprofit’s strategy. For nearly 10 years, Uncommon had fulfilled its mission to bring high-quality education to students in low-income, urban areas... View Details
      Keywords: Charter Schools; Nonprofit Organizations; Teaching; Talent Management; Innovation; Organization Structure; Education; Early Childhood Education; Middle School Education; Organizational Structure; Performance Consistency; Strategy; Collaborative Innovation and Invention; Education Industry
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      Kim, John J-H, and Sarah McAra. "Uncommon Schools (A): A Network of Networks." Harvard Business Publishing Case, 2017. (Case No. PEL-079.)
      • July 2021
      • Article

      Electronic Trace Data and Legal Outcomes: The Effect of Electronic Medical Records on Malpractice Claim Resolution Time

      By: Sam Ransbotham, Eric Overby and Michael C. Jernigan
      Information systems generate copious trace data about what individuals do and when they do it. Trace data may affect the resolution of lawsuits by, for example, changing the time needed for legal discovery. Trace data might speed resolution by clarifying what events... View Details
      Keywords: Analytics and Data Science; Lawsuits and Litigation; Digital Transformation; Welfare; Health Industry
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      Ransbotham, Sam, Eric Overby, and Michael C. Jernigan. "Electronic Trace Data and Legal Outcomes: The Effect of Electronic Medical Records on Malpractice Claim Resolution Time." Management Science 67, no. 7 (July 2021): 4341–4361.
      • spring 2003
      • Article

      The Effects of Diversity on Business Performance: Report of the Diversity Research Network

      By: T. Kochan, K. Bezrukova, R. Ely, S. Jackson, A. Joshi, K Jehn, J. Leonard, D. Levine and D. Thomas
      Keywords: Networks; Research; Performance; Diversity
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      Kochan, T., K. Bezrukova, R. Ely, S. Jackson, A. Joshi, K Jehn, J. Leonard, D. Levine, and D. Thomas. "The Effects of Diversity on Business Performance: Report of the Diversity Research Network." Human Resource Management 42, no. 1 (spring 2003): 3–21.
      • 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
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      Srinivasan, Suraj, Quinn Pitcher, and Jonah S. Goldberg. "Data Breach at Equifax." Harvard Business School Case 118-031, October 2017. (Revised April 2019.)
      • 2025
      • Working Paper

      Enhancing Treatment Effect Prediction on Privacy-Protected Data: An Honest Post-Processing Approach

      By: Ta-Wei Huang and Eva Ascarza
      As firms increasingly rely on customer data for personalization, concerns over privacy and regulatory compliance have grown. Local Differential Privacy (LDP) offers strong individual-level protection by injecting noise into data before collection. While... View Details
      Keywords: Targeted Intervention; Conditional Average Treatment Effect Estimation; Differential Privacy; Honest Estimation; Post-processing; Analytics and Data Science; Consumer Behavior; Marketing
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      Huang, Ta-Wei, and Eva Ascarza. "Enhancing Treatment Effect Prediction on Privacy-Protected Data: An Honest Post-Processing Approach." Harvard Business School Working Paper, No. 24-034, December 2023. (Revised March 2025.)
      • 2016
      • Working Paper

      Do Network Dynamics Undermine Idea-based Network Advantages? Experimental Results from an Entrepreneurship Bootcamp

      By: Rembrand Koning
      Do networks plentiful in ideas provide early stage startups with performance advantages? On the one hand, network positions that provide access to a multitude of ideas are thought to increase team performance. On the other hand, research on network formation argues... View Details
      Keywords: Networks; Performance; Business Startups; Business Strategy
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      Koning, Rembrand. "Do Network Dynamics Undermine Idea-based Network Advantages? Experimental Results from an Entrepreneurship Bootcamp." Working Paper, August 2016.
      • January 2021 (Revised March 2022)
      • Case

      Arçelik: From a Dealer Network to an Omnichannel Experience

      By: Ayelet Israeli and Fares Khrais
      Arçelik Turkey, the country’s market leader in household appliances, was at an omnichannel crossroads in January 2020. Arçelik was a B2B player utilizing a dealership network with an umbrella of brands and had one of the largest brick-and-mortar store networks in... View Details
      Keywords: Digital Marketing; Bricks And Mortar; Franchise Management; Franchising; Dealer Network; Dealers; B2B; B2B2C; Tradition; Culture Change; Cultural Adaptation; Omnichannel; Omnichannel Retail; Omni-channel; Omnichannel Retailing; Sales Channels; Sales Channel Development; Channel Management; Channels Of Distribution; Marketplace; Platforms; Collaboration; Online Channel; Online Data; Online Sales; Online Shopping; Online; Retail; Retailing; Disruption; Transformation; Franchise Ownership; Change Management; Partners and Partnerships; Consumer Behavior; Sales; Internet and the Web; Marketing Strategy; Conflict and Resolution; Conflict Management; Organizational Culture; Distribution Channels; Digital Transformation; Digital Platforms; Electronics Industry; Retail Industry; Consumer Products Industry; Turkey
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      Israeli, Ayelet, and Fares Khrais. "Arçelik: From a Dealer Network to an Omnichannel Experience." Harvard Business School Case 521-067, January 2021. (Revised March 2022.)
      • 2023
      • Working Paper

      Networking Frictions: Evidence from Entrepreneurial Networking Events in Lomé

      By: Stefan Dimitiadis and Rembrand Koning
      Spatial proximity between firms plays a crucial role in entrepreneurship by creating knowledge spillovers, enabling resource sharing, and sparking productivity gains. Building on these insights, research has explored whether institutions and organizations can engineer... View Details
      Keywords: Local Range; Knowledge Sharing; Performance Productivity; Togo
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      Dimitiadis, Stefan, and Rembrand Koning. "Networking Frictions: Evidence from Entrepreneurial Networking Events in Lomé." Working Paper, February 2023.
      • 2013
      • Chapter

      Privacy Breach Analysis in Social Networks

      By: Frank Nagle
      Over the past 5–10 years, online social networks have rapidly expanded, and as of March 2012 the largest online social network, Facebook, had over 901 million active members. The wealth of information users post in their social network profiles, as well as the... View Details
      Keywords: Crime and Corruption; Social and Collaborative Networks; Social Media; Cybersecurity; Analytics and Data Science
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      Nagle, Frank. "Privacy Breach Analysis in Social Networks." In Mining Social Networks and Security Informatics, edited by Tansel Ozyer, Zeki Erdem, Jon Rokne, and Suheil Khoury, 63–77. Springer Science + Business Media, 2013.
      • Teaching Interest

      Data Science for Managers

      • Served as a teaching fellow; assisted MBA students with classroom coding exercises. 
      • Developed course materials, including new case studies, technical notes, and code notebooks students used to analzye case data. 
      • Developed interactive web... View Details
      • 2023
      • Working Paper

      Financial and Informational Integration Through Oracle Networks

      By: Lin William Cong, Eswar Prasad and Daniel Rabetti
      Oracles are software components that enable data exchange between siloed blockchains and external environments, enhancing smart contract capabilities and platform interoperability. We find that oracle integration is positively associated with total value locked and... View Details
      Keywords: Decentralized Finance; Blockchain; Smart Contract; International Economy; Interoperability; Risk Sharing; Applications and Software; Financial Markets; Economics; Risk Management
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      Cong, Lin William, Eswar Prasad, and Daniel Rabetti. "Financial and Informational Integration Through Oracle Networks." Working Paper, December 2023.
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