46. (单选题,20分) If efficiency wages became more common, A B C D both the long-run Phillips curve and the long-run aggregat

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46. (单选题,20分) If efficiency wages became more common, A B C D both the long-run Phillips curve and the long-run aggregate supply curve would shift right. both the long-run Phillips curve and the long-run aggregate supply curve would shift left. the long-run Phillips curve would shift right, and the long-run aggregate supply curve would shift left. the long-run Phillips curve would shift left, and the long-run aggregate supply curve would shift right.