10 1 point The long-run aggregate supply curve is vertical because the economy has yet to use all its available resources. the economy has reached its potential GDP and is at full employment. the economy has contracted. the economy has large numbers of unemployed. 1 point Terrorist attacks such as the World Trade Center event. slow long-run aggregate supply by diverting resources from goods and services production to security concerns. reducing net exports. reducing direct foreign investment. increasing wages within the US. 1 point The long-run aggregate supply will increase when labor supply decreases. international trade barriers are removed. the price level increases. taxes increase