We explore the impact of labour turnover on firm performance by analysing the predictions of an extension of the efficiency wage model of [Salop, S., (1979) 'A Model of the Natural Rate of Unemployment'. American Economic Review, 69, 117-125.] developed by [Garino, G. and Martin, C., (2008) 'The...

The literature on innovation has been both rich and varied in approach and has provided much insight into the process of, and difficulties contained within, innovation. A number of important concepts including those of path dependency, technological trajectories, together with the plethora of...

Background: This study aims to explore the views of women concerning their choice of long-acting method of contraception. Method: Two-hundred and eighty-six women who had either been sterilised or fitted with an etonorgestrel (ETN) implant or the levonorgestrel intrauterine system (LNG IUS)...

Energy inputs are compared with biomass energy output for several sawtimber and woody biomass programs covering rotation ages from 2 to 120 yr. A consistent comparision with several published studies supports the hypothesis that the energy ratio ER (i.e. the ratio of energy out to energy in)...

A model of majority rule is developed in which each of a finite number of generations votes on a redistribution of income between itself and the other generations. In voting, each generation expresses tastes for its own income and for the distribution of income across generations. The model is...