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Stock exchange mergers and weak form of market efficiency: The case of Euronext Lisbon

  • Khan, Walayet
  • Vieito, João Paulo

This exploratory paper is among the first to examine the impact of stock exchange mergers on informational market efficiency. We focus on the merger of Bolsa de Valores de Lisboa e Porto (Portuguese Stock Exchange) with Euronext in 2002 (that created Euronext Lisbon). To investigate this question we perform numerous statistical tests: serial correlation test (ACF test), runs test, unit root test (Kwiatkowski, Philips, Schmidt, & Shin, 1992), multiple variance ratio test (Chow & Denning, 1993) and ranks and signs test (Wright, 2000).

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File URL: http://www.sciencedirect.com/science/article/pii/S1059056011001110
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Article provided by Elsevier in its journal International Review of Economics & Finance.

Volume (Year): 22 (2012)
Issue (Month): 1 ()
Pages: 173-189

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Handle: RePEc:eee:reveco:v:22:y:2012:i:1:p:173-189
Contact details of provider: Web page: http://www.elsevier.com/locate/inca/620165

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