In this short paper, cartel behaviour is analysed with respect to the market shares of cartel members. There is some … competition. It is shown that this can be an artifact and that market share volatility may not be used by antitrust authorities as …

-ity of the Boone-Indicator using cartel cases. Our analysis reveals that the traditional regres-sion approach of the …

Antitrust enforcement makes it difficult to test theories of cartel formation because most attempts to form cartels are …

Implied volatility indices should have information about risk parameters, once they are cleansed of the influence of … normal volatility dynamics and macroeconomic uncertainty. Building on intuition from the dynamic asset pricing literature, we … while controlling for realized volatility, expectations about the macroeconomic outlook, and interest rates. We apply this …