"It is so widely recognized that innovation is a key driver of economic growth that it is cliche to say so. This … article studies product innovation by firms with data from 68 countries, covering more than 25,000 firms in eight … manufacturing sectors. The author assesses the predictions of inter-disciplinary research on innovation by firms. The econometric …

the empirical relationship between economic development and (1) inside-the-frontier-innovation as reflected by the …-the-frontier innovation as reflected in patents. The data suggest, unsurprisingly, that inside-the-frontier innovation is more common among … changes in the industrial composition of exports. The authors use a simple model of innovation and imitation to test the …