Some Economists Argue That at Low Levels of GDP (Lower

Essay

Some economists argue that at low levels of GDP (lower than the long-run level of output), a shift to the right in the aggregate-demand curve increases output without a significant increase in the price levels (without inflation), while at higher levels of output (above the long-run level), a shift in the aggregate-demand significantly increases the price level without much effect on output. How would an aggregate-supply curve look like according to this theory?