Leverage, Volatility and Executive Stock Options Abstract This paper studies how an optimal wage contract can be … investment policy, decreases in the volatility of return from the risky project, and increases in leverage. Second, for a fixed … investment policy, increases in the volatility of return from the risky project, and decreases in leverage. Several empirical …

durations, and vice versa. Otherwise, the spacings between trades are consideredexogenous to the volatility dynamics. This … volatility and intratrade durations. Undergeneral conditions, we propose several Generalized Method of Moments (GMM) estimation … of the IBM 1993 tick-by-tick data. We find some evidence that volatility of IBM stock pricesGranger-causes intratrade …

This note studies the volatility of the policy chosen by a committee whose members’ preferences are volatile, due to … volatility of the policy is smaller the smaller the volatility of members’ preferences, smaller the larger the size of the …

point in time, the parameters of the model are estimated by minimizing the sum of squared implied volatility errors, and … their informational content is compared with the widely used Black and Scholes implied volatility, calculated on at … periods of high variability of asset prices the jump-diffusion approach may help to disentangle the cases in which volatility …

, tacit collusion, taking the form of postponed capacity investment, may occur in Markov Perfect Equilibrium. Volatility and …