The quarterly rate of change in wages is part of the labor market indicator system produced by the National Institute of Statistics. It aims to measure the relative change in wages reported to the National Social Security Fund for the non-agricultural private sector. This methodological document is based on administrative data extracted from the National Social Security Fund’s registry. It details the various stages of data processing, outlier cleaning, construction of the longitudinal employee panel, and calculation of the indicator in accordance with the standards adopted by the National Institute of Statistics.
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