In an overlapping generations model, momentary equilibria are defined as points that lieon the intergenerational offer curve, i.e., they satisfy agents’ optimality conditions and marketclearing at any date. However, some dynamic sequences commencing from such points may notbe considered valid...

Rejuveniles are "grown-ups who cultivate juvenile tastes in products and entertain-ment". In this note, we study a standard AK growth model of overlapping gener-ations populated by rejuveniles. For our purposes, rejuveniles are old agents whoderive utility from "keeping up" their consumption...