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Question 15 of 1 5 If an economy starts out in long-run equilibrium and people become more optimistic about the future of the economy, this will lead to: OA. OB. An increase in real output, a decrease in the price level, decreasing wages, and a decrease in real output to return to long- run equilibrium. A decrease in real output, an increase in the price level, decreasing wages, and an increase in real output to return to long-run equilibrium. A decrease in real output, an increase in the price level, increasing wages, and an increase in real output to return to long-run equilibrium. An increase in real output, a increase in the price level, increasing wages, and a decrease in real output to return to long-run equilibrium. A decrease in real output, a decrease in the price level, decreasing wages, and an increase in real output to return to long-run equilibrium