Graph the following budget lines:
a) 10 F + 20 C = 400
b) 5 F + 10 C = 400
c) 10 F + 10 C = 400
d) 20 F + 20 C = 400
Compare a) to b), a) to c), and a) to d). Which comparisons represent income changes and which represent price changes
Solution:
1.). The budget lines graphs are as follows:
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2.). The budget lines for a and b represent price changes due to the inward and outward rotation of the budget lines.
The budget lines for c and d represent income changes due to the parallel shift of the budget lines outwards and downwards. An outward shift represents an increase in income, and inwards represents a decrease in income.
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