9. (i) Indicate whether the supply curve shift is an increase or decrease in supply, by inserting a tick ().
Increase Decrease
(ii) List two factors that can cause the supply curve to shift.
1. 2.
Shift in Supply Curve – Increase in Supply
Price €
50 S1 S2
0
100
200
Quantity
10. James received a new iPhone for achieving fantastic results in his Junior Cycle. State one complementary product and one substitute product for the iPhone.
Complementary Substitute
11. What effect will an increase in price of a substitute good have on the demand for a product?
12. What effect will an increase in the price of a complementary good have on the demand for a product?
13. Identify two factors that will affect the demand for goods such as Irish rugby jerseys. 1.
2. 14. Ryanair advertises fl ights for €9. What effect do you think this sale will have on the following:
Ryanair fl ights
Competitors
15. Write down a substitute and complementary good for each item listed below. Substitute
iPhone 12
Peugeot e-208 Canon camera HP LaserJet printer Android tablet
Dyson vacuum cleaner 16. What might the government do to encourage more people to buy electric cars?