heterogeneity among firms, we find: (i) a positive and well-determined effect of innovation on profits that smoothly decreases as …

innovation and knowledge management and their impact on performance at the firm level for a number of countries. These studies … have been conducted using data drawn from innovation surveys combined with data from a number of other sources. The issue … illustrates the value of these surveys in improving our understanding of innovation in firms and raises a number of questions for …