MSM Forschungsseminar

Das Forschungsseminar der Fakultät findet mittwochs von 17.00 bis 18.00 Uhr im Raum LE 103 statt. Einzelne Termine können auch online via Zoom stattfinden (der Zugang hierfür wird über die Mailingliste verschickt).

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Wintersemester 2021/22

03.11.2021 Julian Hinz, Universität Bielefeld
  Frictions to intranational investment (with Inga Heiland)

Despite unhalted technological progress in transport and communication infrastructure over the past century, geographical and cultural distance remain major obstacles to the flow of goods and production factors to date. In this paper, we show that geographical and cultural distance forcefully shape intranational investment flows in Norway, preventing an efficient allocation of capital to firms. To that end, we derive a structural gravity equation of investment from a general equilibrium model with multiple locations, multiple assets, and information frictions. Based on the model, we identify frictions related to geographical distance, travel time, administrative borders, and language differences and quantify the loss in terms of portfolio efficiency caused by each individual friction and by gravity as a whole. We also aim to study the impact of major infrastructure developments during the 2000s through the lens of the model: The politically-driven roll-out of broadband internet access across the country and the rapid expansion of the flight route network driven by Norwegian Airlines. Finally, we aim to deliver ex-ante predictions for the effects of a railway line connecting Northern Norway to the country’s main rail network, as well as the effects of a change to the speed limit on major road connections.
10.11.2021 Julian Thimme, Karlsruhe Institute of Technology
  A Skeptical Appraisal of Robust Asset Pricing Tests (with Tim A. Kroencke)

We analyze the size and power of a large number of “robust” asset pricing tests, investigating the hypothesis that the price of risk of a candidate factor is equal to zero. Different from earlier studies, our bootstrap approach puts all tests on an equal footing and focuses on sample sizes comparable to standard applications in asset pricing research. Thus, our paper provides guidance for researchers about which method to use. We find that the classic Fama-MacBeth/Shanken approach rarely over-rejects useless factors and provides a reasonable balance between size and power. In contrast, some of the “robust” methods suffer from poor power in realistic sample sizes, especially in situations where the asset pricing model is mildly misspecified.
17.11.2021 Frank Stähler, Eberhard-Karls-Universität Tübingen
  The (Non-)Neutrality of Value Added Taxation

This paper employs a structural gravity model for final goods trade and novel VAT regime data to investigate the impact of value-added taxes (VATs) on final goods imports and domestic production of final goods. We show that a VAT increase does not only reduce imports and internal trade of final goods but also leads to a relative increase in internal trade compared to aggregate imports. This result can only be explained by changes in pre-tax pricing behavior. A conservative quantification shows that a 1%increase in the VAT rate implies a welfare loss of 1.6 to 3.2 % in the European Union.
19.01.2022 Daniel Krähmer, Universität Bonn
  t.b.a.
26.01.2022 Lukas Buchheim, Technische Universität Dortmund
  t.b.a.
02.02.2022 Marcel Fischer, Copenhagen Business School und Universität Konstanz
  t.b.a.

Vergangene Vorträge

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