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Autor:innen: 
Erscheinungsjahr: 
2004
Schriftenreihe/Nr.: 
Working Paper No. 0412
Verlag: 
Johannes Kepler University of Linz, Department of Economics, Linz
Zusammenfassung: 
This paper includes couples on the demand side and analyses their implications on the problem of adverse selection in the annuity market. First, we examine the pooling equilibrium for individual-life annuities and show that in the presence of couples the rate of return on individuallife annuities is lower in case that couples do not have the advantage of joint consumption of family public goods as well as in case of a logarithmic utility function. Second, we examine the market for joint-life annuities. Due to their higher chance that only one partner survives to the retirement, couples with short-lived partners put more weight on the survivor benefit than couples with at least one longer-lived partner. This fact is used by annuity companies to separate couples according to their partners' life-expectancies. Hence, we find that only a separating equilibrium may exist. These results are obtained in a framework where couples are mandated to buy joint-life annuities and only single persons buy individual-life annuities. When relaxing this assumption by allowing couples to choose between individual- and joint-life annuities, we find that in equilibrium couples with long-lived partners buy individual-life annuities, while couples with short-lived partners buy joint-life annuities. However, couples with one long-lived and one short-lived partner may decide for either type of annuities, depending on the exogenous parameters. Accordingly, we identify two different types of equilibria.
Schlagwörter: 
annuity market
uncertain lifetime
adverse selection
equilibrium
JEL: 
D13
D82
D91
G22
Dokumentart: 
Working Paper

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