clustered over time, suggesting the possibility that technology levels are converging locally. Estimation of spatial versions of …

This paper explores the effects of innovation efficiency on technology gap and product diversity between a leading firm … and its competitor. Our analysis shows some interesting results: when innovation efficiency is sufficiently large and … innovation efficiency on consumer surplus and social welfare. Managerial implications are discussed. …

considered as a measure of this objective and, in turn, as a measure of productivity in relation to the production process in … panel are employed to obtain measures of efficiency for those journals belonging simultaneously to the areas of “economics …” and “social science, mathematical methods” in the Web of Science database. This efficiency is measured in terms of the …