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  • November 2021
  • Article

Panel Experiments and Dynamic Causal Effects: A Finite Population Perspective

By: Iavor Bojinov, Ashesh Rambachan and Neil Shephard
In panel experiments, we randomly assign units to different interventions, measuring their outcomes, and repeating the procedure in several periods. Using the potential outcomes framework, we define finite population dynamic causal effects that capture the relative... View Details
Keywords: Panel Data; Dynamic Causal Effects; Potential Outcomes; Finite Population; Nonparametric; Mathematical Methods
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  • 2021
  • Working Paper

Population Interference in Panel Experiments

By: Iavor I Bojinov, Kevin Wu Han and Guillaume Basse
The phenomenon of population interference, where a treatment assigned to one experimental unit affects another experimental unit's outcome, has received considerable attention in standard randomized experiments. The complications produced by population interference in... View Details
Keywords: Finite Population; Potential Outcomes; Dynamic Causal Effects; Mathematical Methods
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    Population Interference in Panel Experiments

    The phenomenon of population interference, where a treatment assigned to one experimental unit affects another experimental unit’s outcome, has received considerable attention in standard randomized experiments. The complications produced by population... View Details
    • January 2024
    • Article

    Population Interference in Panel Experiments

    By: Kevin Wu Han, Guillaume Basse and Iavor Bojinov
    The phenomenon of population interference, where a treatment assigned to one experimental unit affects another experimental unit’s outcome, has received considerable attention in standard randomized experiments. The complications produced by population interference in... View Details
    Keywords: Outcome or Result; Research; Situation or Environment
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    • Article

    Representative Democracy and the Implementation of Majority-Preferred Alternatives

    By: Katherine Baldiga Coffman
    In this paper, we contrast direct and representative democracy. In a direct democracy, individuals have the opportunity to vote over the alternatives in every choice problem the population faces. In a representative democracy, the population commits to a candidate ex... View Details
    Keywords: Economic Systems; Voting; Decision Choices and Conditions
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    • 19 Dec 2014
    • Research & Ideas

    China’s Complicated Relationship With Mother Nature

    starting to come due for a culture not used to paying them. “Thousands of years of environmental degradation have put more strain on a finite amount of land than any other place on earth" "China has the longest political and... View Details
    Keywords: Re: William C. Kirby; Manufacturing

      Design and Analysis of Switchback Experiments

      Switchback experiments, where a firm sequentially exposes an experimental unit to random treatments, are among the most prevalent designs used in the technology sector, with applications ranging from ride-hailing platforms to online marketplaces. Although... View Details
      • July 2023
      • Article

      Design and Analysis of Switchback Experiments

      By: Iavor I Bojinov, David Simchi-Levi and Jinglong Zhao
      In switchback experiments, a firm sequentially exposes an experimental unit to a random treatment, measures its response, and repeats the procedure for several periods to determine which treatment leads to the best outcome. Although practitioners have widely adopted... View Details
      Keywords: Switchback Experiments; Design; Analysis; Mathematical Methods
      Related
      • 2020
      • Working Paper

      Design and Analysis of Switchback Experiments

      By: Iavor I Bojinov, David Simchi-Levi and Jinglong Zhao
      In switchback experiments, a firm sequentially exposes an experimental unit to a random treatment, measures its response, and repeats the procedure for several periods to determine which treatment leads to the best outcome. Although practitioners have widely adopted... View Details
      Keywords: Switchback Experiments; Design; Analysis; Mathematical Methods
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      • 21 Nov 2017
      • First Look

      First Look at New Research and Ideas, November 21, 2017

      https://www.hbs.edu/faculty/Pages/item.aspx?num=53512 Online Network Revenue Management Using Thompson Sampling By: Ferreira, Kris Johnson, David Simchi-Levi, and He Wang Abstract—We consider a price-based network revenue management problem where a retailer aims to... View Details
      Keywords: Sean Silverthorne
      • 01 Sep 2016
      • News

      Case Study: Alumni Advice for a Health Care Startup

      family members and stakeholders. Wellthy launched nationwide in September 2015 as a private-pay, direct-to-consumer subscription service, with plans ranging in price from $100 a week for those who need help with finite projects to $200 a... View Details
      • 03 Oct 2017
      • First Look

      First Look at Research and Ideas, October 3, 2017

      constructively replicate and extend these findings with a supplemental analysis of a second sample, the full population of new nonprofit organizations founded during a two-year period in the United States (n = 31,160). By highlighting how... View Details
      Keywords: by Sean Silverthorne
      • 03 Jan 2017
      • First Look

      January 3, 2017

      regulate the industry. Publisher's link: https://www.hbs.edu/faculty/Pages/item.aspx?num=52032 Populism and the Return of the 'Paranoid Style': Some Evidence and a Simple Model of Demand for Incompetence as Insurance Against Elite Betrayal... View Details
      Keywords: Carmen Nobel
      • 13 Apr 2010
      • First Look

      First Look: April 13

      problem of an investor with power utility defined over wealth at a finite horizon, who faces a time-varying investment opportunity set, parameterized using a flexible vector autoregression. We apply this framework to study the horizon... View Details
      Keywords: Martha Lagace
      • 08 Oct 2013
      • First Look

      First Look: October 8

      fundamental business model has not changed in more than 100 years: very smart outsiders go into organizations for a finite period of time and recommend solutions for the most difficult problems confronting their clients. But at... View Details
      Keywords: Sean Silverthorne