The Panzar-Rosse model is a widely applied method to assess competitive conduct. In particular, it has been extensively used to analyze the competitive climate in the banking industry. To correct for differences in firm size, many empirical papers estimate a Panzar-Rosse revenue function with...

This paper tests the random walk hypothesis and weak form market efficiency in the VIX futures market using a variety of tests. A unit root in the aggregated market price series suggests that the VIX futures market is efficient. For the individual VIX futures price series, 51 of 54 futures...