To analyze how each scenario affects the market demand for the specified products, we can use the concept of demand curves and shifts in demand. Let's break down each scenario:
A. Apples: Due to a drought, the market price of apples rises.
- Effect on Demand: A rise in the price of apples due to a drought typically leads to a decrease in the quantity demanded, as consumers may seek substitutes or reduce their consumption.
- Graph: The demand curve for apples would remain the same, but the quantity demanded would move left along the curve due to the higher price.
B. Coca Cola: A major supermarket chain reduces the price of Pepsi.
- Effect on Demand: Since Coca Cola and Pepsi are substitutes, a decrease in the price of Pepsi would likely lead to a decrease in the demand for Coca Cola. Consumers may switch to the cheaper alternative.
- Graph: The demand curve for Coca Cola would shift to the left, indicating a decrease in demand.
C. Automobiles: Petrol prices decrease and are expected to remain low for some time.
- Effect on Demand: A decrease in petrol prices makes owning and operating automobiles cheaper, which can increase the demand for cars as more consumers may be inclined to purchase them.
- Graph: The demand curve for automobiles would shift to the right, indicating an increase in demand.
D. Airline tickets: The average income in Sydney increases by 10%.
- Effect on Demand: An increase in average income generally leads to an increase in demand for normal goods, including airline tickets, as more people can afford to travel.
- Graph: The demand curve for airline tickets would shift to the right, indicating an increase in demand.
E. Instant noodles: The government announces a policy that will result in a new $2,000 per year payment to university students to help cover living expenses.
- Effect on Demand: This additional income for students may increase their purchasing power, leading to an increase in demand for affordable food options like instant noodles.
- Graph: The demand curve for instant noodles would shift to the right, indicating an increase in demand.
Summary
In summary, the demand for each product is influenced by various factors such as price changes of related goods, income changes, and external economic conditions. The graphs would visually represent these shifts in demand, with the x-axis typically representing quantity and the y-axis representing price.
If you need help with drawing the graphs or any further explanation, feel free to ask!