If the price level is increasing and output is falling, which of the following could be the reason?
a) a positive demand shock
b) a negative supply shock
c) a negative demand shock
d) a positive supply shock
Option b
b) a negative supply shock
A negative supply shock increases input prices and shifts SRAS curve to the left which increases prices and decreases real output.
A positive supply shock decreases input prices and increases aggregate supply which shifts SRAS to right and increases real output and decreases price level.
A positive demand shock increases AD and shifts AD to the right which increases both price level and real output.
A negative supply shock decreases AD and shifts to the left which decreases both the price level and real GDP.
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