References

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• 2002Unit root tests in panel data: asymptotic and finite-sample properties12,832 cited
• 2000A Guide to Modern Econometrics1,762 cited
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• 2014Should I Use Fixed or Random Effects?765 cited
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• 1990Market Conduct in the Airline Industry: An Empirical Investigation409 cited
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• 1992Fare Determination in Airline Hub-and-Spoke Networks293 cited
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• 2007Getting there fast: globalization, intercontinental flights and location of headquarters257 cited
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