[Solved] If expected inflation increases: A)the short-run Phillips curve shifts up. B)the short-run Phillips curve shifts down. C)the short-run Phillips curve remains unchanged. D)there is a movement along a short-run Phillips curve. Independent Variable: The variable in an experiment that is manipulated or changed to observe its effect on the dependent variable. Research Assistant: A person who supports academic or professional research efforts, typically conducting experiments, data collection, or analysis. Self-reported Arousal: A subjective measure of one's own emotional and physiological state of alertness, excitement, or activation, often collected via questionnaires or interviews. Sexually Explicit: Content that graphically depicts sexual acts or nudity, intended to stimulate erotic rather than aesthetic or emotional feelings.