Khoury, Nabil; Perrakis, Stylianos; Savor, Marko - In: Journal of Banking & Finance 35 (2011) 1, pp. 104-117
This paper applies a game theory approach to examine the effects of a market structure change in options trading from a monopoly to a Cournot-type oligopoly that occurred in two successive periods on the Montreal exchange. We analyze the intra-day behaviour of option bid-ask spreads and find...