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Displaying results 1 to 11 of 11.

  1. Testing random assignment to peer groups
    Author: Jochmans, Koen
    Published: [2021]
    Publisher:  University of Cambridge, Faculty of Economics, Cambridge

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    Source: Union catalogues
    Language: English
    Media type: Book
    Format: Online
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    Edition: This version: April 11, 2021
    Series: Cambridge working paper in economics ; 2024
    Subjects: asymptotic power; bias; peer effects; random assignment
    Scope: 1 Online-Ressource (circa 23 Seiten)
  2. Detecting coverage bias in user-generated content
    Author: Kerkhof, Anna; Münster, Johannes
    Published: [2021]
    Publisher:  ECONtribute, Bonn

    The importance of user-generated content is growing as media consumption is moving online; yet, investigations of media bias on user-generated content platforms are rare. We develop a novel procedure to detect coverage bias - i.e., bias in the amount... more

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    The importance of user-generated content is growing as media consumption is moving online; yet, investigations of media bias on user-generated content platforms are rare. We develop a novel procedure to detect coverage bias - i.e., bias in the amount of coverage certain topics or issues receive - on user-generated content platforms. We proceed in two steps. First, we focus on a sample of homogeneous observations and control for observable differences. Second, we compare the coverage of our observations between different language versions of the same platform in a difference-in-differences framework, which allows us to disentangle coverage bias from unobserved heterogeneity between observations. We apply our procedure to Wikipedia and examine whether it has a coverage bias in its biographies of German (and French) Members of Parliament (MPs). Our analysis reveals a small to medium size coverage bias against MPs from the center-left parties in Germany and in France. A plausible explanation are partisan contributions to the Wikipedia biographies, as we show by analyzing patterns of authorship and Wikipedia's talk pages for the German case. Practical implications of our results include raising users' awareness of coverage bias when searching for and processing information obtained on user-generated content platforms.

     
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    Source: Union catalogues
    Language: English
    Media type: Book
    Format: Online
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    hdl: 10419/228860
    Series: ECONtribute discussion paper ; no. 057 (January 2021)
    Subjects: bias; media bias; media economics; social media; user-generated content
    Scope: 1 Online-Ressource (circa 47 Seiten), Illustrationen
  3. Improved estimation of poisson rate distributions through a multi-mode survey design
    Author: Hitczenko, Marcin
    Published: [2021]
    Publisher:  Federal Reserve Bank of Atlanta, Atlanta, GA

    Researchers interested in studying the frequency of events or behaviors among a population must rely on count data provided by sampled individuals. Often, this involves a decision between live event counting, such as a behavioral diary, and recalled... more

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    Researchers interested in studying the frequency of events or behaviors among a population must rely on count data provided by sampled individuals. Often, this involves a decision between live event counting, such as a behavioral diary, and recalled aggregate counts. Diaries are generally more accurate, but their greater cost and respondent burden generally yield less data. The choice of survey mode, therefore, involves a potential tradeoff between bias and variance of estimators. I use a case study comparing inferences about payment instrument use based on different survey designs to illustrate this dilemma. I then use a simulation study to show how and under what conditions a hybrid survey design can improve efficiency of estimation, in terms of mean-squared error. Overall, this work suggests that such a hybrid design can have considerable benefits as long as there is nontrivial overlap in the diary and recall samples.

     
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    Source: Union catalogues
    Language: English
    Media type: Book
    Format: Online
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    hdl: 10419/244313
    Series: Working paper series / Federal Reserve Bank of Atlanta ; 2021, 10 (February 2021)
    Subjects: recall surveys; diaries; bias; mean-squared error; multi-level models
    Scope: 1 Online-Ressource (circa 35 Seiten), Illustrationen
  4. Creating controversy in proxy voting advice
    Author: Malenko, Andrey; Malenko, Nadya; Spatt, Chester S.
    Published: 10 July 2021
    Publisher:  Centre for Economic Policy Research, London

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    Location:
    Universitätsbibliothek Mannheim
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    Source: Union catalogues
    Language: English
    Media type: Book
    Format: Online
    Series: Array ; DP16352
    Subjects: proxy advisor; voting; sale of information; information design; Bayesian persuasion,controversy; bias; corporate governance
    Scope: 1 Online-Ressource (circa 52 Seiten), Illustrationen
  5. Testing random assignment to peer groups
    Author: Jochmans, Koen
    Published: November 2021
    Publisher:  Toulouse School of Economics, [Toulouse]

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    Source: Union catalogues
    Language: English
    Media type: Book
    Format: Online
    Edition: This version: November 10, 2021
    Series: Working papers / Toulouse School of Economics ; no 1270
    Subjects: asymptotic power; bias; fixed effects; peer effects; random assignment; test
    Scope: 1 Online-Ressource (circa 20 Seiten), Illustrationen
  6. Bias in instrumental-variable estimators of fixed-effect models for count data
    Author: Jochmans, Koen; Weidner, Martin
    Published: October 2021
    Publisher:  Toulouse School of Economics, [Toulouse]

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    Source: Union catalogues
    Language: English
    Media type: Book
    Format: Online
    Edition: This version: October 29, 2021
    Series: Working papers / Toulouse School of Economics ; no 1276
    Subjects: count data; bias; fixed effects; inconsistency; instrumental variable; multiplicative-error model; poisson
    Scope: 1 Online-Ressource (circa 13 Seiten)
  7. ¿Hombres "cracks" y mujeres "amables"?
    sesgos de género en encuestas de profesores
    Author: Urdaneta Andrade, Nicolás
    Published: [2021]
    Publisher:  CEDE, Centro de Estudios sobre Desarrollo Económico, Bogotá, D.C., Colombia

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    Source: Union catalogues
    Language: Spanish
    Media type: Book
    Format: Online
    Series: Array ; 2021, 46 (agosto de 2021)
    Subjects: gender; professor; student evaluation of teaching; bias
    Scope: 1 Online-Ressource (circa 47 Seiten), Illustrationen
  8. Can consumers see a difference?
    an experiment with high-skilled soccer players
    Author: Gomez-Gonzalez, Carlos; Dietl, Helmut; Berri, David J.; Nesseler, Cornel
    Published: [2021]
    Publisher:  University of Zurich, Department of Business Administration, Zurich

    Whether one looks at revenue, public and private investment, or media coverage; men's sports consistently do better than women's sports. Many people argue that these differences are driven by absolute differences in the quality of athletes in men's... more

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    Helmut-Schmidt-Universität, Universität der Bundeswehr Hamburg, Universitätsbibliothek
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    Whether one looks at revenue, public and private investment, or media coverage; men's sports consistently do better than women's sports. Many people argue that these differences are driven by absolute differences in the quality of athletes in men's and women's sports. We begin by noting that absolute differences in athletic skill often do not drive demand in sports. We then move on to our primary research question: Can people truly see differences in men and women athletes? To answer this question, we use videos of professional women’s and men’s soccer. In some videos the gender of the athletes was clear to see. In other videos, though, the gender of the athletes was blurred. We find that participants only rate men’s soccer videos higher when the gender of the players is visible. These findings reveal a bias in the evaluation of men’s and women’s soccer relevant for many other fields. Our results demonstrate that factors other than performance, e.g., social beliefs and stereotypes, have an important influence on how individuals evaluate women in sports

     
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    Source: Union catalogues
    Language: English
    Media type: Book
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    Edition: Current Version: 15 November 2021
    Series: UZH business working paper series ; no. 391
    Subjects: Behaviour; bias; decision making; experiment; gender; performance
    Scope: 1 Online-Ressource (circa 34 Seiten)
  9. Experimental choice and disruptive technologies
    Author: Gans, Joshua
    Published: [2021]
    Publisher:  [University of Toronto - Rotman School of Management], [Toronto]

    This paper examines how a firm's choice of the type of experiment impacts on its potential exploitation of new technological opportunities. It does so in the context of the failure of successful firms (or disruption) where the literature has... more

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    This paper examines how a firm's choice of the type of experiment impacts on its potential exploitation of new technological opportunities. It does so in the context of the failure of successful firms (or disruption) where the literature has informally suggested that firms undertake errors in experimental choice (in particular, choosing experiments that involved biased signals). It is shown that firms will generically choose biased over unbiased experiments even when there are no differences in their relative costs. This is done to better inform decisions regarding the exploitation of technological opportunities. It is shown that these choices can differ between incumbents and entrants based on their fundamentals as well as because of the anticipation of competition between them

     
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    Source: Union catalogues
    Language: English
    Media type: Book
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    Series: [Rotman School of Management working paper ; no. 3890924]
    Subjects: disruption; innovation; experiments; competition
    Other subjects: Array
    Scope: 1 Online-Ressource (circa 37 Seiten)
  10. Worker beliefs about outside options
    Author: Jäger, Simon; Roth, Christopher; Roussille, Nina; Schoefer, Benjamin
    Published: December 2021
    Publisher:  IZA - Institute of Labor Economics, Bonn, Germany

    Workers wrongly anchor their beliefs about outside options on their current wage. In particular, low-paid workers underestimate wages elsewhere. We document this anchoring bias by eliciting workers' beliefs in a representative survey in Germany and... more

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    Workers wrongly anchor their beliefs about outside options on their current wage. In particular, low-paid workers underestimate wages elsewhere. We document this anchoring bias by eliciting workers' beliefs in a representative survey in Germany and comparing them to measures of actual outside options in linked administrative labor market data. In an equilibrium model, such anchoring can give rise to monopsony and labor market segmentation. In line with the model, misperceptions are particularly pronounced among workers in low-wage firms. If workers had correct beliefs, at least 10% of jobs, concentrated in low-wage firms, would not be viable at current wages.

     
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    Source: Union catalogues
    Language: English
    Media type: Book
    Format: Online
    Other identifier:
    hdl: 10419/250624
    Series: Discussion paper series / IZA ; no. 14963
    Subjects: wages; beliefs; bias; monopsony; GSOEP; IAB
    Scope: 1 Online-Ressource (circa 122 Seiten), Illustrationen
  11. K-class instrumental variables quantile regression
    Author: Kaplan, David M.; Liu, Xin
    Published: May 29, 2021
    Publisher:  Department of Economics, University of Missouri, Columbia, MO

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    Source: Union catalogues
    Language: English
    Media type: Book
    Format: Online
    Series: Working papers / Department of Economics, University of Missour ; 2104
    Subjects: bias; weak instruments
    Scope: 1 Online-Ressource (circa 35 Seiten), Illustrationen