[1] CaFoscari Univ Venice, Dept Econ, Cannaregio 873, I-30121 Venice, Italy
[2] Univ Groningen, Dept Econ Econometr & Finance, Nettelbosje 2, NL-9747 AE Groningen, Netherlands
[3] Univ Utrecht, Sch Econ, Kriekenpitplein 21-22, NL-3584 EC Utrecht, Netherlands
[4] Networks Studies Pens Aging & Retirement, NETSPAR, Leiden, Netherlands