At about 7:30, the video says: change in GDP = change in spending x multiplier change in spending, is addition, so that's illegal addition before multiplication. PEMDAS says multiply then add, so you have to start at zero, multiply, then add. change in GDP = change in spending x multiplier 0 = 0 x multiplier [Start at zero] 0 = 0 [Multiply] 1 = 1 [Add $1] change in GDP = change in spending The multiplier = 1.
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This is great. Thank you!
+Margaret Ashton Glad it helped!
At about 7:30, the video says:
change in GDP = change in spending x multiplier
change in spending, is addition,
so that's illegal addition before multiplication.
PEMDAS says multiply then add, so you have to start at zero, multiply, then add.
change in GDP = change in spending x multiplier
0 = 0 x multiplier [Start at zero]
0 = 0 [Multiply]
1 = 1 [Add $1]
change in GDP = change in spending
The multiplier = 1.