Optimizing the life cycle path of pension premium payments and the pension ambition in the Netherlands

By Harry ter Rele, Carolijn de Kok, Nicoleta Ciurila and Peter Zwaneveld


Pension premium rates and pension benefits are independent of age or family situation in the second pillar of the Dutch pension system. In a life cycle model calibrated on Dutch data we investigate the optimal arrangement of pension premiums and benefits taking into consideration two factors: the fact that incomes generally rise with age and the presence of children in the early years of the household. Our analysis points out that due to these factors lifetime welfare can be raised by a delay of pension premium payments towards later working ages. A lower pension ambition further enhances lifetime welfare. Taking these factors into consideration when designing the pension system increases lifetime welfare by an amount that equals a 3.4 percent increase in lifetime consumption if no borrowing constraints are imposed and 2.8 percent if, more realistically, we impose these constraints. Family size (i.e. number of children) has a large impact on optimal pension premiums and optimal pension ambition. Policy conclusions from our results should carefully weigh the calculated welfare gain against possible negative and positive effects of non-modelled aspects.

I do not think many countries modulate pension contributions by age and family situation. Some do define a minimum age for contributions, though. However, taxation rules do allow for dependent credits and child allowances, thus the policies the authors are looking for are available indirectly. But then, you would need to look beyond the pension system. Who said economics is simple and easy?


One Response to Optimizing the life cycle path of pension premium payments and the pension ambition in the Netherlands

  1. Nicoleta Ciurila says:

    Thank you for reading our paper. We take into consideration in our analysis child related transfers as well as child related tax credits currently in place in the Dutch economy. These make pension premium rates slightly age dependent, but considerably less than what is obtained when optimizing consumption and savings by taking the presence of children into account. Moreover, we are making these calculations for the second pillar of the Dutch pension system, the private fully funded system. We don’t see a reason why the public tax and transfer system should compensate for the flatness of the pension premium rates in the private pension system.

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