Productivity Spillovers from Multinational Corporations in the Portuguese Case: Evidence from a Short Time Period Panel Data
AbstractEmpirical evidence on productivity spillovers - a concept that embodies the fact that foreign enterprises own intangible assets which can be transmitted to domestic firms, thus raising their productivity level - is ambiguous. With a panel data set at the firm level for the Portuguese manufacturing industry, we aim to uncover the possibility that the choice of statistical techniques will have profound effects on evidence of spillovers diffusion. We will consider the panel data models commonly used in the literature and the recent and more robust Extended GMM technique, specially devised for panels with a small number of time periods. We find that positive spillovers occur only when the technologic gap between domestic and foreign firms is moderate. Though all methods agree on this result. there are differences worth to be noted, revealing that the traditional estimates can sometimes be misleading.
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Bibliographic InfoPaper provided by ISEG - School of Economics and Management, Department of Economics, University of Lisbon in its series Working Papers Department of Economics with number 2002/06.
Date of creation: 2002
Date of revision:
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Postal: Department of Economics, ISEG - School of Economics and Management, University of Lisbon, Rua do Quelhas 6, 1200-781 LISBON, PORTUGAL
Web page: https://aquila1.iseg.ulisboa.pt/aquila/departamentos/EC
Domestic firm productivity; multinational corporations; Portugal; technological spillovers; panel data; Extended GMM.;
Find related papers by JEL classification:
- F21 - International Economics - - International Factor Movements and International Business - - - International Investment; Long-Term Capital Movements
- F23 - International Economics - - International Factor Movements and International Business - - - Multinational Firms; International Business
- O52 - Economic Development, Technological Change, and Growth - - Economywide Country Studies - - - Europe
This paper has been announced in the following NEP Reports:
- NEP-ALL-2002-11-10 (All new papers)
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