Under the second definition, presented for the purposes of a sensitivity analysis, market income does not include contributory public pensions, which are treated as transfers and as such have redistributive impacts. This second definition is also the approach taken in the OECD studies. Accordingly, in order to compare the redistributive capacity of the region with that of the developed countries, the results yielded using the second definition (in which contributory public pensions are treated as transfers) are given below.