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 …

concentration. In contrast, competition enforces innovation, i.e. sales concentration has a negative impact on R&D. …

concentration. …

, semi-nonparametric econometric model of competition in such markets, examines its testable implications in terms of price-concentration …

prices and how it is affected by industry concentration. On average, we find, prices increase above trend growth for three … there is an increase in concentration similar to the one observed over the last 20 years. This differential effect depending … on concentration is primarily driven by a larger pass-through of positive shocks that increase costs. Consistent with a …