Impact of digitalization on technological innovations in small and medium-sized enterprises (SMEs)
基于德国制造业和服务业中小企业数据，研究发现数字化对产品与流程创新的影响因企业规模、数字化形式和创新类型而异，且内部研发活动会削弱这种效应。
This study explores the impact of digitalization on technological (product and process) innovations in German small and medium-sized enterprises (SMEs). In particular, three forms of digitalization are considered – digitalization in production and logistics, digital value chains, and big data analytics. Empirical analysis utilizes the Mannheim Innovation Panel (MIP) dataset of German SMEs operating in manufacturing and service sectors. A binary probit model is separately estimated for micro, small and medium-sized firms to test if theoretically assumed positive innovation effects of digitalization occur in SMEs of different size. Empirical findings confirm that the impact of digitalization on innovation activities is heterogenous among SMEs. Furthermore, the innovation effects are modest and depend on the form of digitalization and a type of innovation. The study also explores a moderating effect of internal R&D activities. The findings suggest that the engagement in internal R&D weakness the innovation effects of digitalization. More specifically, the impact of digitalization on product and process innovations is absent in those SMEs that conduct intramural R&D, while in non-R&D SMEs, this impact is positive. Based on these findings, the study offers some theoretical and policy implications.