According to Economist Milton Friedman

Multiple Choice

According to economist Milton Friedman,

A) ​the short-term validity of the Phillips curve is questionable.
B) ​there might be a short-term trade-off between unemployment and inflation but not a permanent trade-off.
C) ​trade-off happens between unemployment and inflation happens in the long run but not in the short run.
D) ​the long-run trade-off between unemployment and inflation comes from unanticipated inflation.