We study the effect of introducing a new security, such as a non-redundant derivative, on the volatility of stock-market returns. Our analysis uses a standard, continuous time, dynamic, general-equilibrium, full-information, frictionless, Lucas endowment economy where there are two classes of...

This paper examines the impact of option listing in the NASDAQ equity market on the bid-ask spread of the underlying stock. We find that both the market adjusted percentage and dollar spreads decrease with option listing, which is consistent with a value enhancing impact of derivative security...