Abstract
In multi-level regression, such as small area studies, and in panel data studies, using a fixed effect for each region leads to models that are flexible but that have poor estimation accuracy; they are over-parameterized. We bridge the gap between Fixed Effects Models, Mixed Effects Models and Partial Linear Models by a flexible modeling of area effects. The transition from Mixed Effects Models to Semiparametric Mixed Effects Models and Fixed Effects Models is achieved by progressively relaxing the smoothness assumption on the semiparametric area specific impact. The methodology is illustrated with a complete simulation study and applied for a small area analysis of tourist expenditures in Galicia.
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Lombardía, M.J., Sperlich, S. (2010). Smooth Transition from Mixed Models to Fixed Models. In: Borgelt, C., et al. Combining Soft Computing and Statistical Methods in Data Analysis. Advances in Intelligent and Soft Computing, vol 77. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-14746-3_52
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DOI: https://doi.org/10.1007/978-3-642-14746-3_52
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-642-14745-6
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