“…4See Andrew Abel (1985), Laurence Kotlikoff et al (1984);and Nigel Tomes (1981). 5See, for example, Stanley Fischer (1973) and Benjamin Friedman and Mark Warshawsky (1984). 6See, for example, Buiter (1979), Buiter and Carmichael (1984), Carmichael (1982), Burbidge (1983Burbidge ( , 1984, and Philippe Weil (1987).…”