PurposeThis paper aims to provide evidence of the major role of non‐technological activities in the innovation process. It seeks to highlight the effects of marketing and organizational innovation strategies on technological innovation performance.Design/methodology/approachThe paper tests theoretical hypotheses on a sample of 555 firms of the Fourth Community Innovation Survey (CIS 4) in 2006 in Luxembourg. Data are analyzed through a generalized Tobit model.FindingsEvidence is found to support the impact of innovation in the marketing and organization fields on a firm's capacity to innovate, but not on the innovative performance. The paper also statistically shows that the effects of non‐technological innovation differ depending on the phase of the innovation process.Research limitations/implicationsThe causal link and the question of time frame between the various innovations could be further investigated, especially through longitudinal studies. Further research should also focus on the differences between large versus small firms, and service versus industrial firms.Practical implicationsThe effects of non‐technological innovation are not the same according to whether the firm is in the first step of the innovation process (i.e. being innovative), or in a later step (i.e. innovative performance). Managers should be aware of these various effects in order to efficiently adopt non‐technological innovation strategies.Originality/valueFew works have taken into account the role of other innovative strategies such as marketing and organization. As far as is known, this is the first study based on recent CIS data that looks at the interrelations between different types of innovation.

: This article provides a first empirical study of the determinants of the interdisciplinarity of academic researchers production. For that purpose we measure interdisciplinarity as the diversity of their research production across scientific domains. Our evidence is based on more than nine hundred permanent researchers employed by a large French university which is ranked first among French universities in terms of Impact. Our main results are that the traditional academic career incentives do not stimulate interdisciplinary research while having connections with industry does. The context of work in the laboratory strongly affects the propensity to undertake interdisciplinary research. Key words : Economics of science, Academic incentives, Interdisciplinary research, Laboratory, University. JEL classification : L31, 031, 032, 034, 038. * Corresponding author. BETA, PEGE-ULP, 61, avenue de la Forêt Noire, F-67085, Strasbourg Cedex ; tel : +33-390242104 ; fax : +33-390242071 ; email : .φ This work is part of a larger project on knowledge production at ULP. We are grateful to P. Llerena, M. Matt, S. Wolff and all other members of the team. L. Bach's comments helped us to improve the paper. Acknowledgements extend to the administrative departments and the Technology Transfer Office at ULP, and to the CNRS Industrial Liaison Office.

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