Support for R&D subsidies relies on empirical evidence that R&D "spills over" between firms. But firm performance is affected by two countervailing R&D spillovers: positive effects from technology spillovers and negative business stealing effects from R&D by product market rivals. We develop a...

Support for Ramp;D subsidies relies on empirical evidence that Ramp;D quot;spills overquot; between firms. But firm performance is affected by two countervailing Ramp;D spillovers: positive effects from technology spillovers and negative business stealing effects from Ramp;D by product market...