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Econometric Models Of Asymmetric Price Transmission

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Author Info
Giliola Frey
Matteo Manera

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Abstract

In this paper, we review the existing empirical literature on price asymmetries in commodities, providing a way to classify and compare different studies that are highly heterogeneous in terms of econometric models, type of asymmetries and empirical findings. Relative to the previous literature, this paper is novel in several respects. First, it presents a detailed and updated survey of the existing empirical contributions on price asymmetries in the transmission mechanism linking input prices to output prices. Second, this paper presents an extension of the traditional distinction between long-run and short-run asymmetries to new categories of asymmetries, such as: contemporaneous impact, distributed lag effect, cumulated impact, reaction time, equilibrium and momentum equilibrium adjustment path, regime effect, regime equilibrium adjustment path. Each empirical study is then critically discussed in the light of this new classification of asymmetries. Third, this paper evaluates the relative merits of the most popular econometric models for price asymmetries, namely autoregressive distributed lags, partial adjustments, error correction models, regime switching and vector autoregressive models. Finally, we use the meta-regression analysis to investigate whether the results of asymmetry tests are not model-invariant and find which additional factors systematically influence the rejection of the null hypothesis of symmetric price adjustment. The main results of our survey can be summarized as follows: (i) each econometric model is specialized to capture a subset of asymmetries; (ii) each asymmetry is better investigated by a subset of econometric models; (iii) the general significance of the F test for asymmetric price transmission depends mainly on characteristics of the data, dynamic specification of the econometric model, and market characteristics. Overall, our empirical findings confirm that asymmetry, in all its forms, is very likely to occur in a wide range of markets and econometric models. Copyright 2007 The Authors Journal compilation © 2007 Blackwell Publishing Ltd.

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Article provided by Blackwell Publishing in its journal Journal of Economic Surveys.

Volume (Year): 21 (2007)
Issue (Month): 2 (04)
Pages: 349-415
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Handle: RePEc:bla:jecsur:v:21:y:2007:i:2:p:349-415

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  1. Szymon Wlazlowski & Monica Giulietti & Jane Binner & Costas Milas, 2007. "Dynamics in the European Petroleum Markets," Keele Economics Research Papers KERP 2007/04, Centre for Economic Research, Keele University. [Downloadable!]
  2. Gervais, Jean-Philippe, 2007. "Disentangling non-linearities in the long- and short-run price relationships: An application to the U.S. hog/Pork supply chain," MPRA Paper 7743, University Library of Munich, Germany, revised 15 Jan 2008. [Downloadable!]
  3. Wlaslowski, Szymon & Binner, Jane & Guiletti, Monica & Joseph, Nathan & Nilsson, Birger, 2007. "New York mark-ups on petroleum products," Working Papers 2008:2, Lund University, Department of Economics. [Downloadable!]
  4. Wlazlowski, Szymon & Binner, Jane & Giulietti, Monica & Joseph, Nathan, 2006. "Non-linearities in mark-up on costs," MPRA Paper 1468, University Library of Munich, Germany. [Downloadable!]
  5. Georg Zachmann & Christian von Hirschhausen, 2007. "First Evidence of Asymmetric Cost Pass-Through of EU Emissions Allowances: Examining Wholesale Electricity Prices in Germany," Working Papers 0710, Massachusetts Institute of Technology, Center for Energy and Environmental Policy Research. [Downloadable!]
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