This paper has been announced in the following NEP Reports:

• NEP-ALL-2007-04-09 (All new papers)
• NEP-COM-2007-04-09 (Industrial Competition)
• NEP-ENE-2007-04-09 (Energy Economics)
• NEP-IND-2007-04-09 (Industrial Organization)
• NEP-MIC-2007-04-09 (Microeconomics)

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5. Michael R. Baye & John Morgan, 2001. "Information Gatekeepers on the Internet and the Competitiveness of Homogeneous Product Markets," American Economic Review, American Economic Association, vol. 91(3), pages 454-474, June. [Downloadable!] (restricted)
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10. Frankel, Jeffrey A. & Rose, Andrew K., 1996. "A panel project on purchasing power parity: Mean reversion within and between countries," Journal of International Economics, Elsevier, vol. 40(1-2), pages 209-224, February. [Downloadable!] (restricted)
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11. Maddala, G S & Wu, Shaowen, 1999. " A Comparative Study of Unit Root Tests with Panel Data and a New Simple Test," Oxford Bulletin of Economics and Statistics, Department of Economics, University of Oxford, vol. 61(0), pages 631-52, Special I. [Downloadable!] (restricted)
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    • Brown, Jeffrey, 2000. "Does the Internet Make Markets More Competitive? Evidence from the Life Insurance Industry," Working Paper Series rwp00-007, Harvard University, John F. Kennedy School of Government. [Downloadable!]
13. Monica Giulietti & Catherine Waddams Price & Michael Waterson, 2005. "Consumer Choice and Competition Policy: a Study of UK Energy Markets," Economic Journal, Royal Economic Society, vol. 115(506), pages 949-968, October. [Downloadable!] (restricted)
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    • Goldberg, Pinelopi & Verboven, Frank, 2001. "Market Integration and Convergence to the Law of One Price: Evidence from the European Car Market," CEPR Discussion Papers 2926, C.E.P.R. Discussion Papers. [Downloadable!] (restricted)
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15. Lee, Hsiu-Yun & Wu, Jyh-Lin, 2001. "Mean Reversion of Inflation Rates: Evidence from 13 OECD Countries," Journal of Macroeconomics, Elsevier, vol. 23(3), pages 477-487, July. [Downloadable!] (restricted)
16. Im, Kyung So & Pesaran, M. Hashem & Shin, Yongcheol, 2003. "Testing for unit roots in heterogeneous panels," Journal of Econometrics, Elsevier, vol. 115(1), pages 53-74, July. [Downloadable!] (restricted)
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17. Stahl, Dale O, II, 1989. "Oligopolistic Pricing with Sequential Consumer Search," American Economic Review, American Economic Association, vol. 79(4), pages 700-712, September. [Downloadable!] (restricted)
18. Kaddour Hadri, 2000. "Testing for stationarity in heterogeneous panel data," Econometrics Journal, Royal Economic Society, vol. 3(2), pages 148-161.
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    • Kaddour Hadri, 1999. "Testing For Stationarity In Heterogeneous Panel Data," Research Papers 1999_04, University of Liverpool Management School.
19. José Luis Moraga-González & Matthijs R. Wildenbeest, . "Maximum Likelihood Estimation of Search Costs," Tinbergen Institute Discussion Papers 06-019/1, Tinbergen Institute. [Downloadable!]
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    • Moraga-González, José Luis & Wildenbeest, Matthijs R., 2008. "Maximum likelihood estimation of search costs," European Economic Review, Elsevier, vol. 52(5), pages 820-848, July. [Downloadable!] (restricted)
20. M. Hashem Pesaran, 2007. "A simple panel unit root test in the presence of cross-section dependence," Journal of Applied Econometrics, John Wiley & Sons, Ltd., vol. 22(2), pages 265-312. [Downloadable!]
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    • Pesaran, M.H., 2003. "A Simple Panel Unit Root Test in the Presence of Cross Section Dependence," Cambridge Working Papers in Economics 0346, Faculty of Economics, University of Cambridge. [Downloadable!]