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Estimating the innovation function from patent numbers : GMM on count panel data
Crépon, Bruno, (1995)
An alternative demand indicator : the 'non-accelerating inflation rate of capacity utilization'
Nahuis, Niek J., (2003)
Measuring the probability of a business cycle turning point by using a multivariate qualitative hidden Markov model
Grégoir, Stéphane, (2000)
Research, innovation, and productivity : an econometric analysis at the firm level
Crépon, Bruno, (1998)
Schumpeterian conjectures : a moderate support from various innovation measures