inspired by the economic theory of index numbers. The indices provide a theoretical benchmark for estimated real effective …

We investigate the empirical usefulness of a new measure of the degree of competition in a market, proposed by Boone … competition, while the new relative profits measure performs better. Using accounting data on UK firms we investigate the …

Winner's percentage, a common measure of electoral competition in winner-take-all elections, measures the shift in vote … winner-take-all competition. It treats equally shifts from higher to lower ranking candidates. A related measure, the Draw … change in outcome. Across all cases of five or fewer candidates, five measures of competition – including closeness and Rae …

The Big Mac Index was introduced to (semi-humorously) test the theory of purchasing power parity and measure the …