For which of the following would the income effect of a price change be greatest?

Question

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The income effect of a price change would likely be greatest for air travel to Australia as it is a relatively large expense, and a change in price would have a significant impact on consumers' budgets and purchasing decisions. The other items listed (ballpoint pens, chewing gum, haircuts) are lower-priced and therefore a price change would have a smaller impact on consumer spending habits.

For Which of the Following Would the Income Effect of a Price