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Van Reenen, John 
ORCID: 0000-0001-9153-2907, Geroski, Paul and Walters, Chris
(2002)
Innovations, patents and cash flow.
In: Kleinknecht, Alfred and Mohnen, Pierre, (eds.)
Innovation and Firm Performance : Econometric Explorations of Survey Data.
Palgrave Macmillan, New York, pp. 31-55.
ISBN 0-333961099
Geroski, Paul, Van Reenen, John ORCID: 0000-0001-9153-2907 and Walters, Chris
(1997)
How persistently do firms innovate?
Research Policy, 26 (1).
pp. 33-48.
ISSN 0048-7333
