Exports, productivity and innovation: new firm level empirical evidence

Faustino and Matos

Applied Economics, 2015, vol. 47, issue 46, 4918-4933

Abstract: This article examines the determinants of Portuguese exports, applying data from 277 manufacturing firms for the period 2006-2010. In 2010, these firms accounted for about 47% of total Portugal's exports. Both the static and dynamic results of the estimated models confirm the positive influence of productivity on variations in exports. The dynamic estimations also suggest that exports in the previous period hold a positive effect on contemporaneous exports, confirming the Roberts and Tybout (1997) sunk cost hypothesis for exports. In the dynamic analysis, the labour costs and the size of the firm do not have a statistically significant effect on Portuguese exports with the findings also pointing to increased expenditure on research and development (R&D) generating no statistically significant effect on exports. The lagged R&D expenditure was also insignificant in explaining the change of Portuguese exports. Thus, these results suggest that applying a product or process innovation measure returns better results than indirect measures such as R&D expenditure.

Date: 2015
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DOI: 10.1080/00036846.2015.1039700

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