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The Phillips curve: linking changes in the AD-AS model to the Phillips curve

AP.MACRO: MOD‑3 (EU), MOD‑3.A (LO), MOD‑3.A.1 (EK), MOD‑3.A.2 (EK), MOD‑3.A.3 (EK), MOD‑3.A.4 (EK), MOD‑3.A.5 (EK), MOD‑3.B (LO), MOD‑3.B.1 (EK), MOD‑3.B.2 (EK), MOD‑3.B.3 (EK), POL‑1 (EU), POL‑1.A (LO), POL‑1.A.3 (EK), POL‑1.A.5 (EK)


Which of the following would cause the long-run Phillips curve (LRPC) to shift to the left?
Choose 1 answer: