We set up a model of economic and demographic long-run development, where inequality in income and reproductive success (polygynous mating) plays a central role. The model generates a slow and gradual compression of the income gap between landholders and landless, together with rising levels of...

Results from empirical studies of firm behavior are synthesized into, a theory of the firm as a competent team. I demonstrate the existence of a tacit organizational competence exercising a leverage on the productivities of all other factors through selecting and allocating competent people,...

We use data from the military enlistment for a large representative sample of Swedish men to assess the importance of cognitive and noncognitive ability for labor market outcomes. The measure of noncognitive ability is based on a personal interview conducted by a psychologist. Unlike...

Attention is called to a little explored scarce resource, termed 'economic competence', which combines features of human capital and bounded rationality, and causes a singularity in resource-allocation in society. The performance of each economy is shown to strongly depend on how this resource...

In a recent paper, García-Mainar and Montuenga-Gómez (2005) apply the generalized IV model of Hausman and Taylor to estimate education returns of wage earners and the self-employed in Portugal and in Spain. Our examination reveals several problems which relate to the validity and documentation...