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  • Vierteljahrshefte zur Wirtschaftsforschung 3 / 2023

    Leverage, Competitiveness and Systemic Risk in Banking

    Die Steuerbefreiung von Fremdkapitalzinsen verschafft Fremdkapital einen erheblichen Finanzierungsvorteil gegenüber Eigenkapital. Dieser Steuervorteil bewirkt, dass insbesondere Banken mit extreme Schuldenhebel arbeiten und somit große Überschuldungsrisiken eingehen. Diese Steuerbefreiung von Fremdkapitalzinsen widerspricht somit den Zielen der prudenziellen Eigenkapitalregulierung, die zum Zwecke ...

    2023| Thomas Gehrig
  • Diskussionspapiere 2061 / 2023

    Government-Made House Price Bubbles? Austerity, Homeownership, Rental, and Credit Liberalization Policies and the “Irrational Exuberance” on Housing Markets

    Housing bubbles and crashes are catastrophic events for economies, implying enormous destruction of housing wealth, financial default risks, construction unemployment, and business cycle downturns. This paper investigates whether governmental housing policies can affect economies’ propensity to build up speculative house price bubbles. Specifically, we focus on the liberalization effects of rent and ...

    2023| Konstantin A. Kholodilin, Sebastian Kohl, Florian Müller
  • Refereed essays Web of Science

    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, Levent Neyse, ..., Felix Holzmeister
  • Brown Bag Seminar Industrial Economics

    What is the Right Geographic Market Definition?

    What is the “right” geographic definition of relevant markets? We study how unexpected and exogenous increases in excise duties in petroleum products were passed-through to retail prices in the Athens region and examine how the degree of the pass-through varies across different geographic relevant markets. Using various definitions of the relevant geographic market, we find that the most...

    14.06.2023| Themistoklis Kampouris, DIW Berlin
  • Refereed essays Web of Science

    Revisiting the Relatedness Hypothesis: The Impact of Merger Relatedness on Acquiring and Rival Firm Value  

    Despite intuitive appeal, empirical evidence supporting the relatedness hypothesis has been scant, as it has not been established that related acquisitions generally outperform unrelated acquisitions. In considering the impact of merger relatedness on not only acquiring-firm value – as is standard in the relatedness literature – but also on non-merging rival firm value, we offer an alternative perspective ...

    In: Long Range Planning 56 (2024), 6, 102325,17 S. | Joseph A. Clougherty, Tomaso Duso
  • Brown Bag Seminar Industrial Economics

    Limited Price Competition Among Real Estate Agents and the Role of Inattention

    This paper relates incomplete price competition among real estate agents to inattentive home sellers. I exploit a recent legal reform in Germany which specifically aimed to increase price competition among real estate agents by raising the cost salience of sellers. I find that the reform backfired and real estate agents exploited the transition to increase their total commission rate by 0.3...

    03.05.2023| Julius Stoll, Hertie School
  • Conference

    BCCP Conference and Policy Forum 2024

    Recent developments in AI, such as the much-discussed capabilities and limitations of generative language models like GPT-4, and their policy implications for competition and regulation are the focus of this year's conference. The EU's AI Act could be one of the first steps towards global regulation of AI technologies. On the one hand, task-based predictive systems and new generative tools can...

    14.06.2024| Joanna Bryson (Hertie School Berlin) Joshua Gans (University of Toronto) Oren Bar-Gill (Harvard University) Emilio Calvano (Luiss University) Brando Benifei (European Parliament) Francesca Bria (Italian National Innovation Fund) Alena Buyx (Chair of German Ethics Council) Amba Kak (AI Now Institute)
  • Refereed essays Web of Science

    To Diversify or Not? The Link between Global Sourcing of ICT Goods And Firm Performance

    We analyse variation in firm performance as a function of the international diversification of ICT imports by firms. Drawing on administrative data from 2010 and 2014 on nearly 4000 German manufacturing firms, we find that firms with ICT sourcing that is diversified across multiple countries perform better than similar, less-diversified firms. This finding holds true for two performance metrics (value ...

    In: Economics of Innovation and New Technology (2024), im Ersch. [online first: 2024-02-02] | Alexander Schiersch, Irene Bertschek, Thomas Niebel
  • DIW Weekly Report 6 / 2023

    US Inflation Reduction Act Demands Quick Strategic Action from the EU

    In August 2022, the US Congress passed the Inflation Reduction Act (IRA), a comprehensive piece of legislation aiming to stimulate the US economy and to increase its resilience. At an estimated 430 billion euros, it is a massive government investment and spending program in the welfare state, federal infrastructure, climate action, and environmental protection. At the same time, the IRA is intended ...

    2023| Kerstin Bernoth, Josefin Meyer
  • Brown Bag Seminar Industrial Economics

    Wage Markups and Buyer Power in Intermediate Input Markets

    How are market imperfections in different input markets related? I show theoretically that the extent of buyer power in intermediate input markets determines both wages and wages relative to the marginal revenue contribution of employees if collective bargaining characterizes labor markets. This relationship is examined empirically using data on the universe of Dutch manufacturing firms from 2007...

    17.04.2024| Leonard Treuren, KU Leuven
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