Those who emphasize that mood fluctuations (say during a bleak Winter) may be indicative of seasonal affective disorder are highlighting the importance of:

What does it signify if point 1 shifts down and to the right? a. the price level and the real gdp are falling. b. the real gdp is falling, and supply is increasing. c. the price level is rising, and production is increasing. d. the price level is falling, and demand and the real gdp are rising.