Paul A. David and Bronwyn H. Hall. <BR> JEL#: H41, H42, O31, O38<BR> Keywords: R&D, public goods, crowding out, spillovers, supply of scientists and engineers.<BR> This paper is a first step toward closing the analytical gap in the extensive literature on the results of interactions between public and...

R&D; tax policy in the United States during the 1980s is evaluated, with particular emphasis placed on quantifying the impact of the R&D; tax credit on the R&D; investment of manufacturing firms. Using publicly available data on R&D; spending at the firm level, I estimate an average tax price...

While much attention has been focused on the optimal ratio of a firm's debt to equity, the "optimal" or best balance between bond financing and (longer-term) bank financing has scarcely been addressed. This essay examines the principal differences between an economy with a well-developed...

This paper shows how to decompose the dollar profit earned from an option into two basic components: 1) mispricing of the option relative to the asset at the time of purchase, and 2) profit from subsequent fortuitous changes or mispricing of the underlying asset. This separation hinges on...

This paper examines the interaction between a firm's volatility and dividend policies and capital structure and maturity policies. The firm is permitted to costlessly and continuously select any asset volatility and dividend yield, within bounds. Simple and intuitive rules are derived for the...

This paper develops a simple technique for valuing European and American derivatives with underlying asset risk-neutral returns which depart from lognormal in terms of prespecified non-zero skewness and greater-than-three kurtosis. Instead of specifying the entire risk-neutral distribution by...