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Tytuł pozycji:

Innovation and Size at the Firm Level.

Tytuł :
Innovation and Size at the Firm Level.
Autorzy :
Audretsch, David B.
Acs, Zoltan J.
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Temat :
AGGREGATE industry
RESEARCH & development contracts
Źródło :
Southern Economic Journal; Jan91, Vol. 57 Issue 3, p739, 6p, 2 Charts, 1 Graph
Czasopismo naukowe
The purpose of this paper is to apply a new data source that remedies both of the deficiencies inherent in the measures and truncated samples used in previous studies. We use the individual firm records of the innovation data base introduced at the aggregated industry level in our 1987 and 1988 papers. This enables us to measure innovative activity directly for a broad spectrum of firm sizes. Application of a new direct measure of innovative activity over a broad spectrum of firm sizes suggests that the relationship between firm size and innovation tends to be more similar to that found when the number of patented inventions is used to measure technical change than for R&D inputs. As Scherer [15; 13] and Bound et al. [6] found for patents, most industries exhibit decreasing returns to scale with respect to the output of innovations. However, this relationship is apparently sensitive to the technological environment. In low-technology industries there is at least some evidence of increasing returns. An important qualification of these results is that the sample includes only innovative firms. Inclusion of non-innovative firms in the sample could alter the results somewhat, since small firms may have a lower propensity to innovate than do the very largest enterprises. This points to the need for additional data sources measuring the amount of R&D, number of patents and extent of innovative activity covering firms of all sizes. [ABSTRACT FROM AUTHOR]
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