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Innovation in Services: Enhancing Economic Performance in Portugal and Beyond

This paper explores the relationship between innovation and productivity within the service sector, using a structured model that considers various data characteristics. It analyzes the contributions of innovative services to GDP and draws insights from both national accounts and European studies, providing a detailed examination of innovation activities. The findings highlight the significance of endogeneity and instrument selection in economic analyses, while paving the way for future research to enhance model specifications and include additional countries in the assessment of innovative service industries.

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Innovation in Services: Enhancing Economic Performance in Portugal and Beyond

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  1. Services Innovation and Economic Performance Luísa Ferreira Lopes Manuel Mira Godinho

  2. Services Contribution to GDP Source: National Accounts, OECD

  3. CIS2 – Results for PortugalInnovation in Services Source: Conceição & Ávila, 2001

  4. CIS2 – Results for Europe% Innovative Firms in Services Source: Conceição & Ávila, 2001

  5. The Model

  6. List of Variables

  7. Innovation Activities

  8. Model Specification

  9. Services Industries in Data Set

  10. Sample Description

  11. Sistem Estimation

  12. Separate Estimation

  13. What is new ? • The analyses of the innovation-productivity relationship in the services context • With a structural model • Considering the characteristics of the data • Compare previous quantitative services studies

  14. Limitations • Pure cross-section • Proxis for labor productivity and innovation output

  15. Any conclusions, so far? ...... • Endogeneity is a major problem • The choice of instruments is critical for the results • The model is highly sensitive to different estimation methods

  16. Developments • Further tests to determine the best specification and estimation method • Test for structural changes in the model • Extend the model and consider other countries – SIEPI database • Use a value added measure for productivity • Combine CIS3 survey with CIS2 to build a panel data set

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