Measuring error for adjacent policy position estimates: Dealing with uncertainty using CMP data

• Autores: Thomas M. Meyer, Marcelo Jenny
• Localización: Electoral Studies: An international Journal, ISSN 0261-3794, Vol. 32, Nº. 1, 2013, págs. 174-185
• Idioma: inglés
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• Resumen

  • Careful users of CMP party position data should take the uncertainty of position estimates into account. We compare and evaluate two current approaches that provide error estimates for party positions. Researchers of the CMP group identify measurement error in quantitative content analysis as the cause of uncertainty about position estimates, whereas a second approach by attributes the uncertainty of position estimates to a stochastic generation of election programs. We illustrate the commonalities and differences of these approaches and provide two empirical applications, the identification of the left–right order of parties and of policy shifts by parties, using CMP data for 25 countries. Despite conceptual differences, results in these applications are surprisingly similar.