Abstract
This chapter explores how administrative microdata can significantly enhance our understanding of the links between competition, innovation and productivity. Drawing on recent empirical studies, it illustrates the analytical power of such data across several dimensions. One example comes from the use of administrative microdata to demonstrate the productivity gains associated with the adoption of digital technologies by firms. A second example illustrates how public microdata allows for more precise measurement of firm-level mark-ups, drawing on evidence from the German Monopolies Commission and demonstrating the advantages of administrative data over alternative sources. In addition, methodological challenges in innovation measurement are discussed, showing how linking patent data with administrative records can provide deeper insights into the drivers and impacts of innovation. Finally, evidence from studies utilizing privileged access to European Commission registry data is presented, revealing the effectiveness of EU R&D grant policies on firm performance. These examples illustrate also some barriers to data access and outlines key priorities for improving the availability and utility of administrative microdata for policy and research purposes.

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