The competitive environment hypothesis revisited: Nonlinearity, nonstationrity and profit persistence
AbstractMuch empirical lierature dealing with the competitive environment hypothesis tends to find nonstationary behaviour and very high persistence in time series of company profits. We model profit time series using a simple time series model that allows for nonstationary behavior over subsamples, but overall mean reversion. Using a new dataset constisting of profits for more than 150 US companies over a time period of 50 years, we present statistical evidence that the high persistence observed in profits when using linear autoregressive models is often due to the misspecification of the data generating process.
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Bibliographic InfoPaper provided by University of Vienna, Department of Economics in its series Vienna Economics Papers with number 0316.
Date of creation: Oct 2003
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Other versions of this item:
- Jesus Crespo Cuaresma & Adelina Gschwandtner, 2006. "The competitive environment hypothesis revisited: non-linearity, nonstationarity and profit persistence," Applied Economics, Taylor and Francis Journals, vol. 38(4), pages 465-472.
- L00 - Industrial Organization - - General - - - General
- C22 - Mathematical and Quantitative Methods - - Single Equation Models; Single Variables - - - Time-Series Models; Dynamic Quantile Regressions; Dynamic Treatment Effect Models
This paper has been announced in the following NEP Reports:
- NEP-ALL-2003-11-03 (All new papers)
- NEP-COM-2003-11-03 (Industrial Competition)
- NEP-ETS-2003-11-03 (Econometric Time Series)
- NEP-MFD-2003-11-03 (Microfinance)
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