Received migration research has it that higher relative deprivation strengthens the incentive for people to migrate, and that migration is often a risky enterprise. Relative deprivation has been seen as a push factor in migration, and the level of risk involved in migration has been understood...

Drawing on two assumptions: that menopause is an instrument for the efficient regulation of the duration of a biologically expensive state, and that people have children in order to obtain support from them in old age, we set out a new idea that seeks to explain both the occurrence of menopause...

Received migration research has it that higher relative deprivation strengthens the incentive for people to migrate, and that migration is often a risky enterprise. Relative deprivation has been seen as a push factor in migration, and the level of risk involved in migration has been understood...

We model an environment in which individuals prefer to be in a space in which their rank is higher, be it a social space, a geographical space, a work environment, or any other comparison sphere which we refer to in this paper, and without loss of generality, as a region. When the individuals...

Land-Stadt-Wanderung und Stadt-Land-Geldtransfers als Elemente eines sich von selbst ergebenden Kooperations-Arrangements innerhalb einer Wanderarbeiterfamilie. Empirische Untersuchung dieses Phänomens am Beispiel von Botswana. Auswirkungen der Dürre auf das Wanderungsverhalten. Alter,...