This paper studies the representativeness of the Continuous Sample of Working Lives (CSWL), a set of anonymized microdata containing information on individuals from Spanish Social Security records. We examine several CSWL waves (2005)(2006)(2007)(2008)(2009)(2010)(2011)(2012)(2013) and show that it is not representative for the population with a pension income. We then develop a methodology to draw a large dataset from the CSWL that is much more representative of the retired population in terms of pension type, gender and age. This procedure also makes it possible for users to choose between goodness We gratefully acknowledge financial support from Ministerio de Economía y Competitividad (Spain) and from the Basque Government via projects ECO2015-65826-P and IT 793-13 respectively. We would also like to thank seminar participants at the Universities of the Basque Country, Barcelona, Valencia and Granada, and Chris Pellow and Peter Hall for their help with the English text. Comments and suggestions made by Prof. Guner and the anonymous referees were extremely helpful in improving the paper. Any errors are entirely due to the authors. of fit and subsample size. In order to illustrate the practical significance of our methodology, the paper also contains an application in which we generate a large subsample distribution from the 2010 CSWL. The results are striking: with a very small reduction in the size of the original CSWL, we significantly reduce errors in estimating pension expenditure for 2010, with a p value greater or equal to 0.999. Electronic supplementary material
The aim of this paper is to examine differences in life expectancy (LE) between selfemployed (SE) and paid employee (PE) workers when they become retirement pensioners, looking at levels of pension income using administrative data from Spanish social security records. We draw on the Continuous Sample of Working Lives (CSWL) to quantify changes in total life expectancy at ages 65 (LE65) and 75 (LE75) among retired men over the longest possible period covered by this data source: 2005-2018. These changes are broken down by pension regime and pension income level for three periods. Contrary to what has been observed in countries such as Italy, Finland and Japan, LE65 in Spain is slightly higher for the self-employed than for the paid employees when retirement pensioners. For 2005-2010, a gap in life expectancy of 0.23 years between SE and PE retirement pensioners is observed. This gap widens to 0.55 years for 2014-2018. A similar trend can be seen if pension income groups are considered. For 2005-2010, the gap in LE65 between pensioners in the lowest and the highest income groups is 1.20 years. This gap widens over time and reaches 1.51 years for 2014-2018. Although these differences are relatively small, they are statistically significant. According to our research the implications for policy on social security are evident: differences in life expectancy by socioeconomic status and pension regime should be taken into account for a variety of issues involving social security schemes, e.g. to establish the age of eligibility for retirement pensions and early access to benefits, to compute the annuity factors used to determine initial retirement benefits, and to value the liabilities taken on for retirement pensioners.
The aim of this article is to establish basic guidelines to support the possible design of an information letter to be sent to individuals who contribute to the Spanish state pension system, should a decision ever be taken to adopt such an instrument. Basing our work on international experience and published research in the field, we look into the concept of “individual pension information” and identify its most relevant features. We then give detailed descriptions of two models for the provision of individual pension information (the United States and Sweden), looking in particular at how these are structured, what aspects could be improved and their limitations. Finally, we offer recommendations for the design of a model for Spain.
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