In Equilibrium,an Increase in Employment Insurance Benefits

In equilibrium,an increase in Employment Insurance benefits

A) decreases labour market tightness, but has ambiguous effects on Q and Y.
B) increases labour market tightness, but has ambiguous effects on Q and Y.
C) decreases labour market tightness and Q, but increases Y.
D) decreases unemployment, but has ambiguous effects on Q and Y.
E) increases labour market tightness, Q, and Y.