This study explores the characteristics and determinants of innovation of exceptionally innovative small and medium sized UK enterprises. The focus is placed on 'serial' innovators, defined as independent companies with a persistent unusually high frequency of innovations over time. The aim of...

It has been suggested that a paradigm shift is taking place, from the old model of product innovation based on in-house R&D, to a new model based on the intensive use of external sources (search depth). We test this using Eurostat CIS4 data for 40 sectors in 18 European countries. The findings...