Keep It Simple: A Methodological Discussion of Wage Inequalities in the Spanish Hospitality Industry

Francisco Sánchez-Cubo (), José Mondéjar-Jiménez, Alejandro García-Pozo and Mauro Maltagliati
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Francisco Sánchez-Cubo: Department of Applied Economics I, University of Castilla-La Mancha, 16071 Cuenca, Spain
José Mondéjar-Jiménez: Department of Applied Economics I, University of Castilla-La Mancha, 16071 Cuenca, Spain
Alejandro García-Pozo: Department of Applied Economics, University of Málaga, 29071 Malaga, Spain
Mauro Maltagliati: Department of Statistics, Informatics, Applications ‘G. Parenti’ (DiSIA), University of Florence, 50121 Florence, Italy

Mathematics, 2023, vol. 11, issue 5, 1-12

Abstract: Human capital in hospitality has been widely addressed by applying sophisticated econometric methods. However, for the Spanish case, there was a gap in the analyses as the crucial importance of collective agreements was undervalued. This paper redesigns the conceptualisation of the variables and applies a subsequent new classification to job positions, as it deals with the outliers at different levels of rigorousness. Then, linearised and quantile regressions were run for each case, obtaining an outcome of thirty values for each variable. The analyses and comparisons show the high importance of collective agreements on salaries, the noticeable low values of human capital variables, and provides additional information for the nationality and gender gaps, the latter strikingly high in upper professional categories. Overall, this paper demonstrates the importance of a proper study design to prevent advanced econometric models from falling into bias and it minimises the differences between methods.

Keywords: linearised regressions; hospitality; human capital; quantile regressions; Spain (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2023
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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