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Persistent shifts in equilibria are likely to arise in oligopolistic markets and may be detrimental to the measurement of conduct, related markups and intensity of competition. We develop a cointegrated VAR (vector autoregression) based approach to detect long-run changes in conduct when data...
Persistent link: https://www.econbiz.de/10013158377
Intertemporal shifts in conduct, such as a transition from competitive to anticompetitive behavior, induce shifts in the firms' equilibrium price configurations. Such shifts generate non-stationary price dynamics in addition to those which originate from exogenous fundamentals. We exploit this...
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