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1428 results, from 21
  • Externe referierte Aufsätze

    Corona Monitoring Nationwide (RKI-SOEP-2): Seroepidemiological Study on the Spread of SARS-CoV-2 Across Germany

    SARS-CoV-2, the coronavirus, spread across Germany within just a short period of time. Seroepidemiological studies are able to estimate the proportion of the population with antibodies against SARS-CoV-2 infection (seroprevalence) as well as the level of undetected infections, which are not captured in official figures. In the seroepidemiological study Corona Monitoring Nationwide (RKI-SOEP-2), biospecimens ...

    In: Jahrbücher für Nationalökonomie und Statistik (2023), im Ersch. [online first: 2022-09-07] | Susanne Bartig, Herbert Brücker, Hans Butschalowsky, Christian Danne, Antje Gößwald, Laura Goßner, Markus M. Grabka, Sebastian Haller, Doris Hess, Isabell Hey, Jens Hoebel, Susanne Jordan, Ulrike Kubisch, Wenke Niehues, Christina Poethko-Mueller, Maximilian Priem, Nina Rother, Lars Schaade, Angelika Schaffrath Rosario, Martin Schlaud, Manuel Siegert, Silke Stahlberg, Hans Walter Steinhauer, Kerstin Tanis, Sabrina Torregroza, Parvati Trübswetter, Jörg Wernitz, Lothar H. Wieler, Hendrik Wilking, Sabine Zinn
  • Externe referierte Aufsätze

    Multiple Imputation of Ordinal Missing Not at Random Data

    We introduce a selection model-based imputation approach to be used within the Fully Conditional Specification (FCS) framework for the Multiple Imputation (MI) of incomplete ordinal variables that are supposed to be Missing Not at Random (MNAR). Thereby, we generalise previous work on this topic which involved binary single-level and multilevel data to ordinal variables. We apply an ordered probit ...

    In: AStA Advances in Statistical Analysis (2023), im Ersch. [online first: 2022-08-22] | Angelina Hammon
  • Externe referierte Aufsätze

    The Early Bird Catches the Worm! Setting a Deadline for Online Panel Recruitment Incentives

    The literature on the effects of incentives in survey research is vast and covers a diversity of survey modes. The mode of probability-based online panels, however, is still young and so is research into how to best recruit sample units into the panel. This paper sheds light on the effectiveness of a specific type of incentive in this context: a monetary incentive that is paid conditionally upon panel ...

    In: Social Science Computer Review 41 (2023), 2, S. 370–389 | Sabine Friedel, Barbara Felderer, Ulrich Krieger, Carina Cornesse, Annelies G. Blom
  • Weitere externe Aufsätze

    Unsupervised Methods: Clustering Methods

    In: Uwe Engel, Anabel Quan-Haase, Sunny Xun Liu, Lars Lyberg (Eds.) , Handbook of Computational Social Science Vol 2
    London : Routledge
    S. 334-351
    | Johann Bacher, Andreas Pöge and Knut Wenzig
  • Externe referierte Aufsätze

    Face Masks Increase Compliance with Physical Distancing Recommendations during the COVID‑19 Pandemic

    Governments across the world have implemented restrictive policies to slow the spread of COVID-19. Recommended face mask use has been a controversially discussed policy, among others, due to potential adverse effects on physical distancing. Using a randomized field experiment (N = 300), we show that individuals kept a significantly larger distance from someone wearing a face mask than from an unmasked ...

    In: Journal of the Economic Science Association 7 (2021), 2, S. 139–158 | Gyula Seres, Anna Helen Balleyer, Nicola Cerutti, Anastasia Danilov, Jana Friedrichsen, Yiming Liu, Müge Süer
  • Externe referierte Aufsätze

    Competition, Formal Governance and Trust in Alliances: An Experimental Study

    We study the role of alliance governance in the behavior of partners in alliances with different degrees of competition. Using data from a lab experiment on 1,009 alliances and 31,662 partners' choices, we explore whether and how alliances succeed in different competitive scenarios, contingent on the use of formal governance mechanisms (termination clauses) and the number of partners in the alliance. ...

    In: Long Range Planning 55 (2022), 5, 102240, 18 S. | Giulia Solinas, Debrah Meloso, Albert Banal-Estañol, Jo Seldeslachts, Tobias Kretschmer
  • Externe referierte Aufsätze

    Measurement Equivalence in Probability and Nonprobability Online Panels

    Nonprobability online panels are commonly used in the social sciences as a fast and inexpensive way of collecting data in contrast to more expensive probability-based panels. Given their ubiquitous use in social science research, a great deal of research is being undertaken to assess the properties of nonprobability panels relative to probability ones. Much of this research focuses on selection bias, ...

    In: International Journal of Market Research 64 (2022), 4, S. 484–505 | Hafsteinn Einarsson, Joseph W. Sakshaug, Alexandru Cernat, Carina Cornesse, Annelies G. Blom
  • Diskussionspapiere 2052 / 2023

    Estimating Mode Choice Inertia and Price Elasticities after a Price Intervention – Evidence from Three Months of almost Fare-free Public Transport in Germany

    This study analyses the behavioural response of travellers on a temporal reduction of public transport prices in Germany through the so-called 9 Euro Ticket during summer 2022. The focus is on the inertia effect, e.g. the resistance to change behaviour, on people's travel mode decisions for commuter trips. We estimate mixed logit models for nearly 7,000 commuter trips, based on GPS-tracking data collected ...

    2023| Maria Fernanda Guajardo Ortega, Heike Link
  • Externe referierte Aufsätze

    Uncertainties in Estimating Production Costs of Future Nuclear Technologies: A Model-based Analysis of Small Modular Reactors

    Predicting future costs of technologies not yet developed is a complex exercise that includes many uncertain parameters and functional forms. In that context, small modular reactor (SMR) concepts that are in a rather early development stage claim to have cost advantages through learning effects, standardized design, modularization, co-siting economies, and other factors, such as better time-to-market ...

    In: Energy 281 (2023), 128204, 17 S. | Björn Steigerwald, Jens Weibezahn, Martin Slowik, Christian von Hirschhausen
  • Externe referierte Aufsätze

    Competition and Moral Behavior: A Meta-Analysis of Forty-Five Crowd-Sourced Experimental Designs

    Does competition affect moral behavior? This fundamental question has been debated among leading scholars for centuries, and more recently, it has been tested in experimental studies yielding a body of rather inconclusive empirical evidence. A potential source of ambivalent empirical results on the same hypothesis is design heterogeneity—variation in true effect sizes across various reasonable experimental ...

    In: Proceedings of the National Academy of Sciences of the United States of America 120 (2023), 23, e2215572120, 10 S. | Christoph Huber, Anna Dreber, Jürgen Huber, Felix Holzmeister, Levent Neyse...
1428 results, from 21