Since gasoline has a relatively inelastic demand, raising government revenue via gasoline taxes could appear appropriate as it entails a relatively small deadweight loss. However, gasoline retail is generally a highly concentrated market, hence the assumption of perfect competition when...

Empirical research on the relationship between innovation and firm level productivity offers conflicting results. We investigate the impact of innovation on labour productivity through the construction of a unique panel data-set that merges information on roughly 5,000 publicly traded U.S....

Neither existing theory nor prior empirical work can tell us the impact of non-normality on required sample sizes for Student-t tests of the mean in U.S. stock returns. Prior empirical work and bounds from a modified Berry-Esseen theorem do suggest, however, that the answer should vary with...

Improving shareholder value has often been cited as a merger determinant. Since mergers create larger firms and less competition, they may increase shareholder value through higher market share and stock-market value. We investigate merger impacts on firms' stock-market value and market share....