Suppose there are two types of workers in the economy, A
and B. Assume that type A workers are, on average, more productive
than type B workers (for instance, type A workers might have access
to better schools than type B workers). Explain how it could be the
case that some firms choose not to hire type B workers, even if:
(a) qualified type B workers to apply for open jobs, and (b) the
firms are prejudiced in any way....