The paper estimates the lower bound for market concentration taking as reference the framework advanced by Sutton (1991 … concentration lower bound towards zero in exogenous sunk costs industries in line with previous empirical evidence for developed … technological effort in that emerging economy. -- Concentration ; market size …

market definition such as “acute in-patient care” averages out severe discrepancies that become visible when concentration is … only impact on the level of concentration, while the correlation remains high. Our results underline the need for more …

The South African economy is generally understood to be characterised by high levels of product market concentration … firm-level panel data. I present new evidence on South African markups, industrial concentration, and the firm … conclusions about industrial concentration using cross-industry study, and that high and growing concentration across the South …

concentration indexes for 4-digit manufacturing sectors. We find both significant markups and significant concentration across most … sectors. We compare computed markups and concentration with early estimates in South Africa and with other international … benchmark countries. We then examine the market structure based on the concentration, firms' size, and entry and exit dynamics …

A rapidly growing literature has shown that market concentration among domestic firms has increased in the United … measures of concentration, once adjusted for sales by foreign exporters, actually stayed constant between 1992 and 2012. We … reconcile these findings by linking part of the increase in domestic concentration to import competition. Although concentration …

gasoline market confirms that increases in concentration reduce product variety. Ignoring this product variety effect is likely …