This paper discusses the impact of a firm's technology portfolio on its market value. Two concepts are used to characterize a firm's portfolio: the number of technological fields and the degree of relatedness within the portfolio characterized by the amount of joint occurrences of patents in...

This paper aims to shed light on firm specific drivers that lead firms to internationalise their innovation activities. The paper draws a comprehensive picture of driving forces by including firm capabilities, characteristics of the firm’s competitive environment and the influence of...

This article considers cognitive distance and combined competence as predictors of concrete outcomes in co-operative Research and Development projects. The operationalisation is based upon a dedicated survey, answered by matched pairs of projects managers in partnering organisations, addressing...

This study investigates the impact of internal and external research and development (R&D) on the innovation performance of small and medium-sized enterprises (SMEs) in India and Pakistan. Micro-level data was obtained for 3,492 Indian and 696 Pakistani SMEs from the World Bank's Enterprise...

In this study, using a unique firm-level survey database, I investigate innovation for privatized former state-owned enterprises (SOEs) versus originally private (de novo) firms in 30 Eastern European and Central Asian countries. I also examine how innovation related activities and practices...

This study investigates the impact of internal and external research and development (R&D) on the innovation performance of small and medium-sized enterprises (SMEs) in India and Pakistan. Micro-level data was obtained for 3,492 Indian and 696 Pakistani SMEs from the World Bank's Enterprise...

In this article we study differences in the returns to R&D investment between firms that sell in international markets and firms that only sell in the domestic market. We use German firm-level data from the high-tech manufacturing sector to estimate a dynamic structural model of a firm's...

We examine the determinants of product, process, and organizational innovation, and their impact on firm labor productivity using data from a unique innovation survey of firms in Pakistan. We find significant heterogeneity in the impact of different innovations on labor productivity:...