This paper extends the debate over the effect of institutions on GDP and growth in GDP by arguing that levels of institutional indicators have a `double-whammy' effect by modifying the effects of policy on GDP and growth in GDP and affecting the levels of policy enacted themselves. We test this...

This paper uses newly available firm-level tax data to evaluate the market structure in South African manufacturing sectors in the period 2010-12. To describe the market structure we compute markups for South African manufacturing firms and concentration indexes for 4-digit manufacturing...

This paper applies current theory recognizing the irreversibility of investment, in order to test for the impact of uncertainty on investment expenditure for a middle income country. The contribution of the paper is unique in two respects. First, it employs dynamic heterogeneous panel estimation...