The Ability of Factors to Migrate Abroad

The ability of factors to migrate abroad

A) reduces the severity of unemployment and the fall in the rate of return available to investors.
B) increases the severity of unemployment and the fall in the rate of return available to investors.
C) reduces the severity of unemployment but increases the fall in the rate of return available to investors.
D) cannot change the severity of unemployment and the constant rate of return available to investors.
E) reduces the migration of highly-skilled workers.