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Faculty of Law, Business & Economics

International Economics – Juniorprofessor Christian Fischer

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Research

My research evolves around the following areas and topics:

  • International Trade
    Organization of Multinational Firms
    Incomplete Contracts in Buyer-Seller Relationships
    Offshoring
    ​​
  • Industrial Organization
    Collusion
    Bargaining
    Firm Pricing Strategies



Working papers:


  • Optimal Payment Contracts in Trade Relationships

    Abstract. We study a seller's trade credit provision decision in a situation of repeated contracting with incomplete information over the buyer's payment propensity when the enforceability of formal contracts is uncertain. The payment terms of a transaction are selected in an inter-temporal trade-off between improving the quality of information acquisition and mitigating relationship breakdown risks. When contract enforcement institutions are weak, the optimal within-relationship provision dynamics of trade credit can be uniquely determined and depend on the share of patient buyers in the destination market as well as their access to liquidity. We obtain empirical evidence showing that in developing countries the relevance of trade credit in buyers' payment schedules has risen over-proportionally in recent years.


  • Complex Pricing and Consumer-Side Attention (with Alexander Rasch and Tobias Wenzel)

    Abstract. This paper analyzes a market in which two horizontally differentiated firms compete by setting menus of two-part tariffs, and in which some consumers are not informed about the linear per-unit price component. We consider two regulatory interventions that limit firms' ability to price discriminate: (i) diminishing the range of contracts via a reduction in the number of two-part tariffs offered (which prohibits inter-group price discrimination), and (ii) a reduction in tariff complexity via the abolishment of linear fees (which prohibits inter- and intra-group price discrimination). We characterize the effects of these interventions on firm profits and (informed and uninformed) consumer welfare, and identify conditions for the optimal policy. Our results provide insights for the evaluation of recent policy interventions (e.g., the regulation of roaming charges in the EU market).

Work in progress:

  • Institutional Reform and Global Value Chains (with Hartmut Egger)
  • Relational Contracts and Foreign Direct (Over-)Investment (with Matthias Fahn)


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