According to macroeconomic theory, evidence that high unemployment may be accompanied by low inflation, and low unemployment may be accompanied by high inflation is supported by the: a) Keynesian...

According to macroeconomic theory, evidence that high unemployment may be accompanied by low inflation, and low unemployment may be accompanied by high inflation is supported by the:

a) Keynesian cross diagram.

b) Keynesian Inflation trade-off model.

c) Keynesian Phillips curve tradeoff.

d) neoclassical expenditure-output model.