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# ps01 - University of Toronto Economics Department...

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University of Toronto Macroeconomics, Theory and policy Masoud Anjomshoa Economics Department Assignment #1 Math Review 1- In following questions, variables C, G, and Z should be put on the vertical axis in your graphs, while variable Y should be presented on the horizontal axis. a- Draw the line C=100 + 0.8Y. b- Draw the line Y=1200. Find the intersection of this line and the line in part (a). c- Draw the line G=100. (Don’t forget G is on the vertical axis). Find line Z=G+C, and draw it. (Don’t forget E is on the vertical axis). d- Draw the line Z=Y. (Don’t forget Z is on the vertical axis). What is the slope of this line? Find the intersection of this line and the line Z = G+C, in part c. e- Suppose G increases and becomes G =200. Repeat parts (c) and (d). What happens to the line Z compare to the part (c). 2- In following questions, variables R should be put on the vertical axis in your graphs, while variable M should be presented on horizontal axis.
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