“…The greater part of long wave theory has come, as we have noted, from that unusual class of persons who have in some way intcgrated theories of economics and of technical practice. One recent exception to this is Beckman (1983). His book is written, so it seems, not primarily as a contribution to the academic debate; it is, rather, an attempt at popularisation and a piece of advice to individuals on how to handle their money during the 1980's.…”