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The effect of microaggregation on regression results: an application to Spanish innovation data

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  • López, Alberto

Abstract

Microaggregation is a technique for masking confidential data by aggregation. The aim of this paper is to analyze the extent to which microaggregated data can be used for rigorous empirical research. In doing this, I adopt an empirical perspective. I use data from the Technological Innovation Panel (PITEC) and compare regression results using both original and anonymized data. PITEC is a new firm-level panel data base for innovative activities of Spanish firms based on CIS data. I find that the microaggregation procedure used has a slight effect on the coefficient estimates and their estimated standard errors, especially when estimating linear models.

Suggested Citation

  • López, Alberto, 2011. "The effect of microaggregation on regression results: an application to Spanish innovation data," MPRA Paper 30403, University Library of Munich, Germany.
    • Handle: RePEc:pra:mprapa:30403
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    References listed on IDEAS

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    5. Schmid, Matthias & Schneeweiss, Hans, 2009. "The effect of microaggregation by individual ranking on the estimation of moments," Journal of Econometrics, Elsevier, vol. 153(2), pages 174-182, December.
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    8. Schmid Matthias & Schneeweiss Hans, 2005. "The Effect of Microaggregation Procedures on the Estimation of Linear Models: A Simulation Study," Journal of Economics and Statistics (Jahrbuecher fuer Nationaloekonomie und Statistik), De Gruyter, vol. 225(5), pages 529-543, October.
    9. Jacques Mairesse & Pierre Mohnen, 2001. "To Be or Not To Be Innovative: An Exercise in Measurement," NBER Working Papers 8644, National Bureau of Economic Research, Inc.
    10. repec:crs:wpaper:9833 is not listed on IDEAS
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    Cited by:

    1. Isabel Busom & Jorge-Andrés Vélez-Ospina, 2021. "Subsidising innovation over the business cycle," Industry and Innovation, Taylor & Francis Journals, vol. 28(6), pages 773-803, July.
    2. Pilar Bernal & Juan P. Maicas & Pilar Vargas, 2016. "Exploration, exploitation and innovation performance: Disentangling environmental dynamism," Documentos de Trabajo dt2016-03, Facultad de Ciencias Económicas y Empresariales, Universidad de Zaragoza.
    3. Huergo, Elena & Trenado, Mayte & Ubierna, Andrés, 2016. "The impact of public support on firm propensity to engage in R&D: Spanish experience," Technological Forecasting and Social Change, Elsevier, vol. 113(PB), pages 206-219.
    4. Loles Añón Higón & Alfonso Díez-Minguela, 2021. "Location, Location, Location: Do Universities Matter for Foreign R&D?," Working Papers 2109, Department of Applied Economics II, Universidad de Valencia.
    5. Adelheid Holl & Ruth Rama, 2014. "Foreign Subsidiaries and Technology Sourcing in Spain," Industry and Innovation, Taylor & Francis Journals, vol. 21(1), pages 43-64, January.
    6. Fernández-Olmos, Marta & Ramírez-Alesón, Marisa, 2017. "How internal and external factors influence the dynamics of SME technology collaboration networks over time," Technovation, Elsevier, vol. 64, pages 16-27.
    7. Pilar Bernal & Idana Salazar & Pilar Vargas, 2019. "Understanding the Open Innovation Trends: An Exploratory Analysis of Breadth and Depth Decisions," Administrative Sciences, MDPI, vol. 9(4), pages 1-15, September.
    8. Marisa Ramírez-Alesón & Marta Fernández-Olmos, 2018. "Unravelling the effects of Science Parks on the innovation performance of NTBFs," The Journal of Technology Transfer, Springer, vol. 43(2), pages 482-505, April.
    9. Añón Higón, Dolores, 2016. "In-house versus external basic research and first-to-market innovations," Research Policy, Elsevier, vol. 45(4), pages 816-829.

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    More about this item

    Keywords

    Microaggregation; Individual ranking; Bias; Innovation data;
    All these keywords.

    JEL classification:

    • O30 - Economic Development, Innovation, Technological Change, and Growth - - Innovation; Research and Development; Technological Change; Intellectual Property Rights - - - General
    • C80 - Mathematical and Quantitative Methods - - Data Collection and Data Estimation Methodology; Computer Programs - - - General

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