Looks at the relevance to economic systems of force field equilibrium metaphors. Points out that the force field view of physical reality developed in nineteenth century physics does not necessarily involve homeostasis and reversible time paths. Illustrates the properties of force fields with...

Assesses the NAIRU framework for analysing the determinants of equilibrium unemployment, as expressed in Layard, Nickell and Jackman′s Unemployment: Macroeconomic Performance and the Labour Market . It is argued that the NAIRU has produced many useful insights regarding the effects of...