In a random search environment with two racial groups each composed of identical numbers of high and low productivity workers, firms use an imperfect screening device (interviews) to control hiring. If inconclusive interviews lead firms to hire majority workers but not minority workers, then the...

An urn-ball matching model of the labor market is used to develop a theory of minimum wage compliance or voluntary recognition of unions. Workers can direct their search but, in the absence of wage commitment from the firms, they have no basis to do so. The default means of wage formation in...