1907 18-2 Topics to be Discussed difference between short run long run introduction to aggregate demand aggregate supply in the short run long run see how model of aggregate supply and demand can be used to analyze short-run and long-run effects of "shocks" Economics ECONOMICS MANAGEMENT SCHOOL,TONGJI UNIVERSITY Economics ECONOMICS & MANAGEMENT SCHOOL, TONGJI UNIVERSITY 18-2 Topics to be Discussed • difference between short run & long run • introduction to aggregate demand • aggregate supply in the short run & long run • see how model of aggregate supply and demand can be used to analyze short-run and long-run effects of “shocks