After some decades of relative oblivion, the interest in the optimality properties of monopolistic competition has recently re-emerged due to the availability of an appropriate and parsimonious framework to deal with firm heterogeneity. Within this framework we show that non-separable utility,...

Under the auspices of the debate about high performance work systems, it has been suggested that the evidence of positive results is disappointing and that one reason is that there has been a lack of theory. This paper argues that there is indeed a great deal of theory that could be used to...