True, False or Uncertain State whether the claims in these statements are true, false or ambiguous and explain why. You

[answerhappygod]

True, False or Uncertain
State whether the claims in these statements are true, false or
ambiguous and explain why. You
must provide an explanation to receive any credit. Drawing graphs
and arrows only will yield
minimum credit.
a. “In the Mundell-Fleming (IS*-LM*) Model with fixed exchange
rates, a contractionary monetary
policy will have no effect on output in the long-run.”
b. “A positive supply shock will shift the Phillips curve to the
right.”