The hypothesis that deviations from PPP follow a random process is tested against two alternatives that the real exchange rate reverts to a constant equilibrium level (long-run PPP); and that it reverts to an equilibrium level which is itself a function of shifts in commodity prices (long-run...

Sociological discussion of expansion in services employment has been unnecessarily limited. An examination of developments in under-explored sectors such as personal services and `low-level' producer services demonstrates the fruitfulness of analysis in terms of the social and technical...