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This study discusses the complexities in measuring wages in Spain, including issues with the informal sector, small firms, temporary employment, and data sources. It highlights the need for a new source like the Wage Indicator Survey and offers suggestions for improving wage measurement methods.
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The measure of wages in SpainEnrique Fernández Macías, Rafael Muñoz de Bustillo and Pablo Pedraza GarcíaUniversity of SalamancaJanuary 2005
Outline • Peculiarities of the Spanish Labour Market that may affect the measure of wages • Main existing sources • Conclusion: the need of a new source, and some suggestions from Spain
I.1. The importance of the irregular sector of the Economy • Black economy: 10-20% of GDP. Informal Labour Market: 15-20% of the total. • This sector is hidden to institutions and invisible to the statistical system. • Even in the regular sector, irregular practices: part of the wage in black, irregular overtime… • All this affect the measure of wages, specially in Official and Company surveys
I.2. The prevalence of small firms • 90% of all firms employ less than 10 people. Almost 30% of all employees work in these small firms. • These companies do not appear in Company surveys like the Wage Structure Survey. • This problem adds up with the first one (small companies + irregular practices), implying that the information is flawed
I.3. Temporary employment • One third of the Spanish workers have temporary contracts. Most contracts are shorter than 6 months. • Not a problem for studying labour costs, but a terrible problem for studying earnings (complex earnings trajectories). • Probably, it would be much better to study temporary and permanent employees with different methods.
I.4. Other problems • Less diligent respondents than in the Netherlands or Germany. • Administrative obscurity. • Problems that affect all countries: • Sensitivity of information • Increasing complexity and variability of wage systems
II. Main existing sources • Wage Strucuture Survey. • Labour Cost Surveys. • Household Panel and Budget Surveys. • Other sources
III. Conclusions and Suggestions • Existing sources are scarce and problematic. The Wage Indicator Survey is a promising new source that can fill the holes of existing sources. • Two suggestions: • Specific routing and questions for irregular labour market (paid in cash, inmigrants). • Refine and add questions for tracing the earnings trajectory of last year of temporary workers, and other sources of income. • A tool not only for researchers