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German Exchange Rate Exposure at DAX and Aggregate Level, International Trade, and the Role of Exchange Rate Adjustment Costs

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  • Entorf, Horst
  • Jamin, Gösta

Abstract

This article analyses value changes of German stock market companies in response to movements of the US dollar. The approach followed in this work extends the standard means of measuring exchange rate exposure in several ways (e.g. by using multi-factor modelling instead of augmented CAPM, application of moving window panel regressions, orthogonalization of overall market risk vis-à-vis currency risk). The main innovation lies in testing implications of exchange rate adjustment costs (hedging costs) for firm values and exposure. Based on time series data of German DAX companies, DM/ dollar rates and macroeconomic factors, we find a rather unstable, time-variant exposure of German stock market companies. Dollar sensitivity is positively affected by the ratio of exports/GDP and negatively affected by imports/GDP as well as by significant deviations of the dollar price from its long-run median. The first two findings are in line with the presumption that exporting corporations benefit from dollar price increases, whereas importing corporations benefit from dollar price decreases. The last finding can be explained by higher exchange rate adjustment costs in case of substantial deviations from the long-run median level. Furthermore, there is indication of asymmetric adjustment costs as effects from appreciations of domestic currency appear to be smaller than from depreciations.

Suggested Citation

  • Entorf, Horst & Jamin, Gösta, 2008. "German Exchange Rate Exposure at DAX and Aggregate Level, International Trade, and the Role of Exchange Rate Adjustment Costs," Publications of Darmstadt Technical University, Institute for Business Studies (BWL) 77452, Darmstadt Technical University, Department of Business Administration, Economics and Law, Institute for Business Studies (BWL).
  • Handle: RePEc:dar:wpaper:77452
    Note: for complete metadata visit http://tubiblio.ulb.tu-darmstadt.de/77452/
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    Cited by:

    1. Entorf, Horst & Jamin, Gösta, 2003. "The dollar and the German stock market: determination of exposure to and pricing of exchange rate risk using APT-modelling," Publications of Darmstadt Technical University, Institute for Business Studies (BWL) 20146, Darmstadt Technical University, Department of Business Administration, Economics and Law, Institute for Business Studies (BWL).
    2. Horst Entorf & Gösta Jamin, 2007. "German Exchange Rate Exposure at DAX and Aggregate Levels, International Trade and the Role of Exchange Rate Adjustment Costs," German Economic Review, Verein für Socialpolitik, vol. 8(3), pages 344-374, August.
    3. Prabhath Jayasinghe & Albert K. Tsui, 2009. "Time-Varying Currency Betas : Evidence from Developed and Emerging Markets," Finance Working Papers 22761, East Asian Bureau of Economic Research.
    4. repec:bla:germec:v:8:y:2007:i::p:344-374 is not listed on IDEAS
    5. Gamini Premaratne & Prabhath Jayasinghe, 2005. "Exchange rate exposure of stock returns at firm level," International Finance 0503004, University Library of Munich, Germany.
    6. Jayasinghe, Prabhath & Tsui, Albert K. & Zhang, Zhaoyong, 2014. "New estimates of time-varying currency betas: A trivariate BEKK approach," Economic Modelling, Elsevier, vol. 42(C), pages 128-139.

    More about this item

    JEL classification:

    • G15 - Financial Economics - - General Financial Markets - - - International Financial Markets
    • F31 - International Economics - - International Finance - - - Foreign Exchange
    • C23 - Mathematical and Quantitative Methods - - Single Equation Models; Single Variables - - - Models with Panel Data; Spatio-temporal Models

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