ubscription will expire on Aug. $9.$Turn on auto$-$renew to keep accessing solutions.Skip to main contentEN$-$USQUESTION $21$If the economy is in long$-$run equilibrium, other things being equal, an increase in AD will:A$.$ raise the price level and increases real GDPB$.$ reduce the price level and increase real GDPC$.$ increase real GDP but leave the price level unchangedD. raise the price level but real GDP will remain unchanged$0\mathrm{.}33333$ pointsQUESTION $22$An increase in aggregate supply $($AS$),$ other things being equal will cause:A$.$ an increase in the price level and an increase in real outputB. an increase in the price level and a decrease in real outputC. a decrease in the price level and a decrease in real outputD. a decrease in the price level and an increase in real output