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Original Articles

La Elección de base de Datos y sus Efectos Sobre la Investigación Contable Empírica en España

Database choice and its effects over empirical accounting research in Spain

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Pages 33-51 | Published online: 15 Jan 2014
 

RESUMEN

La escasa disponibilidad de datos con los que llevar a cabo estudios empíricos es uno de los problemas que tradicionalmente han sufrido los investigadores en el área de contabilidad y finanzas corporativas. Sin embargo, en los últimos años han aparecido dversas bases de datos que ofrecen información contable y financiera sobre empresas de todo el mundo. En este trabajo se analiza si la elección de la base de datos por parte del investigador afecta a los resultados de la investigación contable relacionada con el mercado de capitales. Los resultados obtenidos de una simple adaptación del modelo de Ohlson (1995) para empresas españolas muestran diferencias significativas dependiendo de la base de datos elegida para extraer la muestra analizada. Si se utilizan únicamente las observaciones comunes entre las bases de datos, las diferencias desaparecen, poniendo de manifiesto que las diferencias se deben a la distinta cobertura de empresas de cada base de datos.

ABSTRACT

One of the problems faced by researchers to undertake empirical accounting studies in Spain has been that data were difficult to obtain. However, in recent years several databases, offering what they claim to be comprehensive worldwide accounting and financial data, have appeared. In this study we analyse whether database choice affects the results of market based accounting research in Spain. We empirically analyse the relation between accounting and market data using a simplification of the Ohlson (1995) model, retrieving Spanish data from seven databases. The results we obtain change significantly across the different databases. If we use the common observations across all databases then the differences in the results disappear, highlighting that the differences across databases are mainly attributable to a different firm coverage.

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