How many correspondence tests are enough to detect discrimination among single agents? A longitudinal study on the Belgian real estate market

Correspondence tests have been used by scholars and civil rights organizations to measure ethnic discrimination. In contrast to research testing covering a whole market through many discrimination tests, litigation testing typically targets a single agent, which can only be tested through a very low number of tests per agent. This low number of tests poses serious methodological challenges to disentangle systematic discrimination from random treatment. This study examines from a purely statistical point of view how many discrimination tests per single agent are needed to convincingly proof dis... Mehr ...