On January 27, 2009, the government
announced a stimulus package, which included
$12 billion earmarked for infrastructure—the
construction of roads, bridges, public transit,
broadband Internet access, schools, and social
housing in every region of the country.
If the slope of the AE curve is 0.7, calculate
the immediate change in aggregate planned
expenditure and the change in real GDP in the
short run if the price level remains unchanged