“…Among parents and their children this is not, however, necessarily the same kind of support nor does it have to be exchanged at the same moment in time (Silverstein, Conroy, Wang, Giarrusso, & Bengtson, 2002). Research has shown that parents who give support to their children are more likely to receive help from them in return (e.g., Grundy, 2005; Klein Ikkink, Van Tilburg, & Knipscheer, 1999). Based on this line of reasoning, it can be expected that the more support parents provide to their children, the more support they will receive from their children upon retirement (Hypothesis 2: the exchange hypothesis).…”