We estimate parametric Champernowne distribution functions for corporate assets in the United States to obtain continuous measures of aggregate concentration and corporate inequality. Our series on asset shares of the largest 200 and 500 non-financial firms show that concentration before World...

National industrial concentration in the U.S. has risen sharply since the early 1980s, but there remains dispute over whether local geographic concentration has followed a similar trend. Using near population data from the Economic Censuses, we confirm and extend existing evidence on national...

This paper investigated the structure of the market, efficiency and performance (profitability) of the general insurance industry in the Ghanaian economy. The overriding objective was to evaluate the impact that regulatory informed market structure would have on the pricing behaviour; examining...

We provide the first estimates of the extent of common ownership of competing firms in Australia. Combining data on market shares and substantial shareholdings, we calculate the impact of common ownership on effective market concentration. Among firms where we can identify at least one owner, 31...

We provide the first estimates of the extent of common ownership of competing firms in Australia. Combining data on market shares and substantial shareholdings, we calculate the impact of common ownership on effective market concentration. Among firms where we can identify at least one owner, 31...

We analyse changes in market structure in India between 2000 and 2020 using a rich dataset at high levels of disaggregation. We examine the extent to which business groups - notably family-owned groups - have maintained dominant market positions in the Indian economy. We focus on two key...

Using Concentration Ratio and Herfindahl-Hirschman Index techniques, the paper investigates the concentration levels of the banking industry in Ghana and forecasts the future concentration levels of the industry should consolidations triggered by the new bank recapitalization policy occur in the...