1. Refereed Journal // 2023

    Incumbency Advantages: Price Dispersion, Price Discrimination and Consumer Search at Online Platforms

    When lower prices are available only to consumers who search, firms can price discriminate based on search. We study local German electricity retail markets in which nonsearching consumers pay the incumbent’s…

  2. ZEW Discussion Paper No. 23-051 // 2023

    Revenue Maximization with Partially Verifiable Information

    I consider a seller selling a good to bidders with two-dimensional private information: their valuation for a good and their characteristic. While valuations are non-verifiable, characteristics are partially…

  3. ZEW Discussion Paper No. 23-050 // 2023

    Mechanism Design for Unequal Societies

    We study optimal mechanisms for a utilitarian designer who seeks to assign a finite number of goods to a group of ex ante heterogeneous agents with unit demand. The agents have heterogeneous marginal utilities…

  4. ZEW Discussion Paper No. 23-049 // 2023

    How Do Low-Income Enrollees in the Affordable Care Act Marketplaces Respond to Cost Sharing?

    The Affordable Care Act requires insurers to offer cost sharing reductions (CSRs) to low-income consumers on the Marketplaces. We link 2013-2015 All-Payer Claims Data to 2004-2013 administrative hospital…

  5. ZEW Discussion Paper No. 23-048 // 2023

    The Long-Term Earnings’ Effects of a Credit Market Disruption

    This paper studies the long-term consequences on firms and workers of the credit crunch triggered by the 2007-2008 global financial crisis. Relying on a unique matched bank-employer-employee administrative…

  6. Non-Refereed Journal // 2023

    Datenzugang für Forschung und Politikberatung in Deutschland

    Der Zugang zu wirtschafts- und sozialwissenschaftlichen Forschungsdaten bleibt in Deutschland hinter den internationalen Standards zurück. Eine Umfrage unter den Mitgliedern des Vereins für Socialpolitik ergab…

  7. Refereed Journal // 2023

    Dynamic HTA for Digital Health Solutions: Opportunities and Challenges for Patient-Centered Evaluation

    Objectives

    Germany’s 2019 Digital Healthcare Act (Digitale-Versorgung-Gesetz, or DVG) created a number of opportunities for the digital transformation of the healthcare delivery system. Key among these was the…