The absence of observable innovation data for a firm often leads us to exclude or classify these firms as non-innovators. We assess the reliability of six methods for dealing with unreported innovation using several different counterfactuals for firms without reported R&D or patents. These tests...

In this paper, we document a positive effect of supplier-customer geographic proximity on supplier innovation. To establish causality, we explore plausibly exogenous variation in proximity caused by customer relocations. The positive effect of supplier-customer proximity on supplier innovation...

An active M&A market incentivizes many firms to specialize in innovation with the anticipation of being acquired in the future. Acquiring innovation, however, is subject to information frictions, because acquirers often find it challenging to assess the value and impact of innovative targets....

Purpose The way to measure the value of an enterprise's R&D investments remains elusive for theoretical and empirical study on innovation economics. The paper aims to discuss this issue. Design/methodology/approach This paper expands the asset-value model pioneered by Griliches (1981) and...