We study a Lucas (1978) "fruit-tree" economy under the assumption that agents are Choquet expected utility (CEU) rather than standard expected utility (EU) decision makers. The agents’ non-additive beliefs about the economy’s stochastic dividend payment process may thus express...

Using three different panel data sets, we show: (i) that mark-ups are significantly higher in South African manufacturing industries than they are in corresponding industries worldwide; (ii) that competition policy (i.e a reduction of mark-ups) should have largely positive effects on productivity...