1. Department of Economics and Management Sciences, University of Alcalá, Madrid, Spain
2. Department of Financial Economics and Actuarial Science, University of Valencia, Valencia, Spain
3. (Research affiliate) Instituto Complutense de Análisis Económico (ICAE), Complutense University of Madrid, Madrid, Spain
4. (Research affiliate) Centre of Excellence in Population Ageing Research (CEPAR), UNSW, Sydney, NSW, Australia