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  • Article

Pattern Detection in the Activation Space for Identifying Synthesized Content

By: Celia Cintas, Skyler Speakman, Girmaw Abebe Tadesse, Victor Akinwande, Edward McFowland III and Komminist Weldemariam
Generative Adversarial Networks (GANs) have recently achieved unprecedented success in photo-realistic image synthesis from low-dimensional random noise. The ability to synthesize high-quality content at a large scale brings potential risks as the generated samples may... View Details
Keywords: Subset Scanning; Generative Models; Synthetic Content Detection
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  • October 2008
  • Article

Risk Frameworks and Biomonitoring: Distributed Regulation of Synthetic Chemicals in Humans

By: Arthur A. Daemmrich
The ability to detect and measure the presence of synthetic chemicals at trace levels in humans coupled to increased environmental NGO mobilization concerning chemical exposure has challenged risk and regulatory frameworks built up over the past quarter-century. This... View Details
Keywords: Chemicals; Governing Rules, Regulations, and Reforms; Risk Management; Natural Environment; Pollutants; Non-Governmental Organizations; United States
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  • Article

Fast Subset Scan for Multivariate Spatial Biosurveillance

By: Daniel B. Neill, Edward McFowland III and Huanian Zheng
We present new subset scan methods for multivariate event detection in massive space-time datasets. We extend the recently proposed 'fast subset scan' framework from univariate to multivariate data, enabling computationally efficient detection of irregular space-time... View Details
Keywords: Algorithms; Disease Surveillance; Event Detection; Scan Statistics; Spatial Scan
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  • 2018
  • Working Paper

Need for Speed: The Impact of Website Performance on Online Retail

By: Santiago Gallino, Nil Karacaoglu and Antonio Moreno
The share of e-commerce sales is rapidly increasing and so are the associated losses generated by website outages and slow websites. We leverage novel retail and website performance data to investigate the impact of website performance on online sales. This question is... View Details
Keywords: Online Retail; Quasi-experiments; Abandonment; Synthetic Control; Internet and the Web; Performance; Service Operations
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  • 2019
  • Working Paper

The Comprehensive Effects of a Digital Paywall Sales Strategy

By: Doug J. Chung, Ho Kim and Reo Song
This paper explores the multiple and comprehensive effects of a digital paywall sales strategy, an increasingly common means of go-to-market for media firms. Specifically, we examine the effects of a digital paywall on a media firm’s two sources of income—subscription... View Details
Keywords: Digital Paywall; Demand Substitution; Spillover Effect; Synthetic Control; Sales; Strategy; Media; Newspapers; Publishing Industry
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  • May–June 2023
  • Article

Need for Speed: The Impact of In-Process Delays on Customer Behavior in Online Retail

By: Santiago Gallino, Nil Karacaoglu and Antonio Moreno
The impact of delays has been widely studied in various offline services. The focus of this study is online services, and we explore the impact of in-process delays—measured by website speed—on customer behavior. We leverage novel retail and website speed data to... View Details
Keywords: Online Retail; Quasi-experiments; Abandonment; Synthetic Control; E-commerce; Internet and the Web; Consumer Behavior; Policy; Retail Industry
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  • May 2020
  • Article

Scalable Holistic Linear Regression

By: Dimitris Bertsimas and Michael Lingzhi Li
We propose a new scalable algorithm for holistic linear regression building on Bertsimas & King (2016). Specifically, we develop new theory to model significance and multicollinearity as lazy constraints rather than checking the conditions iteratively. The resulting... View Details
Keywords: Mathematical Methods; Analytics and Data Science
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  • 08 Jul 2019
  • Research & Ideas

Are Paywalls Saving Newspapers?

paywall sales strategy, you have to make sure you have the reputation and the uniqueness of content to do it ” “We look at the whole picture—both the digital and print channels, and the two revenue sources of the firms, advertising and... View Details
Keywords: by Kristen Senz; Journalism & News; Media & Broadcasting
  • 2023
  • Article

Exploiting Discovered Regression Discontinuities to Debias Conditioned-on-observable Estimators

By: Benjamin Jakubowski, Siram Somanchi, Edward McFowland III and Daniel B. Neill
Regression discontinuity (RD) designs are widely used to estimate causal effects in the absence of a randomized experiment. However, standard approaches to RD analysis face two significant limitations. First, they require a priori knowledge of discontinuities in... View Details
Keywords: Regression Discontinuity Design; Analytics and Data Science; AI and Machine Learning
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  • 2024
  • Working Paper

AI Companions Reduce Loneliness

By: Julian De Freitas, Ahmet K Uguralp, Zeliha O Uguralp and Puntoni Stefano
Chatbots are now able to engage in sophisticated conversations with consumers in the domain of relationships, providing a potential coping solution to widescale societal loneliness. Behavioral research provides little insight into whether these applications are... View Details
Keywords: AI and Machine Learning; Technological Innovation; Behavior; Well-being
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  • November–December 2022
  • Article

Your Company Needs a Space Strategy. Now.

By: Matthew Weinzierl, Prithwiraj (Raj) Choudhury, Tarun Khanna, Alan MacCormack and Brendan Rosseau
Space is becoming a potential source of value for businesses across a range of sectors, including agriculture, pharmaceuticals, consumer goods, and tourism. To understand what the opportunities are for your company, the authors advise you to consider the four ways in... View Details
Keywords: Space Strategy; Emerging Markets; Natural Resources; Analytics and Data Science; Organizational Change and Adaptation; Adaptation; Competition; Aerospace Industry
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  • 18 Feb 2009
  • First Look

First Look: February 18, 2009

accountability. But partners are not paid until after their work is complete, and advertisers can extend this delay both to improve detection of improper partner practices and to punish partners who turn out to be rule-breakers. I capture... View Details
Keywords: Martha Lagace
  • 23 Jul 2013
  • First Look

First Look: July 23

proposed shift from fee-for-service to "global payments" covering all or most of an individual's care. The case examines the content and sequencing of both phases of health care reform in Massachusetts, enabling discussion of... View Details
Keywords: Anna Secino
  • 09 Jan 2024
  • In Practice

Harnessing AI: What Businesses Need to Know in ChatGPT’s Second Year

contexts demonstrated that generative AI has the potential to enhance productivity (speed and efficiency of task completion), quality (precision in execution), and creativity (albeit with limitations). Notably, the simulation of synthetic... View Details
Keywords: by Rachel Layne; Information Technology
  • 04 Jan 2017
  • What Do You Think?

How Much Bureaucracy is a Good Thing in Government and Business?

to make key decisions with the agility of System 1 (using Kahneman’s terminology) while within a larger System 2-developed strategic framework.” Chiding other respondents for not shedding more light on the role that bureaucracies can perform, Eric W. Taylor, Jr.... View Details
Keywords: by James L. Heskett
  • 15 Nov 2022
  • Op-Ed

Why TikTok Is Beating YouTube for Eyeball Time (It’s Not Just the Dance Videos)

third solution, based not on social media but on entertainment media. Entertainment algorithms loop back and forth from content that’s offered to a response detected until they identify something that... View Details
Keywords: by John Deighton and Leora Kornfeld
  • 26 Feb 2019
  • First Look

New Research and Ideas, February 26, 2019

royalties from content sales. We consider a game-theoretic model in which two platforms offer different standalone utilities to users. We find that incentives to establish one-way compatibility—the platform owner with smaller standalone... View Details
Keywords: Dina Gerdeman
  • 06 Nov 2012
  • First Look

First Look: November 6

Schema Based on Detecting Life in a Face Authors: C.E. Looser, J.S. Guntupalli, and T. Wheatley Publication: Social Cognitive and Affective Neuroscience (in press) Abstract More than a decade of research has demonstrated that faces evoke... View Details
Keywords: Sean Silverthorne
  • 13 Jan 2009
  • First Look

First Look: January 13, 2009

Publication:Environmental History 13, no. 4 (October 2008): 684-694 Abstract The ability to detect and measure the presence of synthetic chemicals at trace levels in humans coupled to increased environmental... View Details
Keywords: Martha Lagace
  • 14 Apr 2021
  • Research & Ideas

The High Cost of the Slow COVID Vaccine Rollout

necessary to produce vast quantities of vaccines. Governments could also invest in parts of the supply chain necessary for making vaccines. One input, for example, is a chemical necessary for detecting toxins in vaccines, which in nature... View Details
Keywords: by Michael Blanding; Health

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