A11. Florencia claims to be a \"master of the Philips curve\". According to the long--run Philips curve, which of the following is true? A. Unemployment increases in the long--run with an increase in core inflation rate. B. Flow of wages follows a distinct pattern of \"sticky downward, flexible upward\". C. Increased automation will lead to lower levels of structural unemployment in the long--run. D. Changes in the composition of the overall demand for labour tend to be deflationary in the short--run. E. The NAIRU is independent of monetary and fiscal policy changes that affect aggregate demand