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This paper analyses the relationship between earnings mobility, job mobility and changes in the contractual arrangement in Spain using a sample of Spanish workers aged 16-60 years extracted from the European Community Household Panel Survey (ECHP 1995-2001). Overall, earnings mobility remains mostly unchanged over time, although clear differences, both in terms of levels and trends, can be perceived among different types of workers. Results show that, in general, job mobility contributes to increase earnings mobility. Switching into permanent contract are associated with the highest probability of upgrading among those workers who remain with the same employer. In contrast, the highest risk of downgrading among stayers appears when changing from permanent to temporary. An analysis on low pay/no low pay transitions reveals that job mobility always increases the probability of moving from low pay to better-paid jobs among females. For males, in contrast, this occurs only when they were initially employed on a temporary basis. Furthermore, for females it is found that either switching into permanent contract while staying with the same employer, or changing employer while being employed on a permanent basis yield a higher chance of upgrading than staying with the same employer with a permanent contract.
