GCSE Economics Quiz: Exploring 'The Undercover Economist Strikes Back'

Test Your Understanding of Tim Harford's 'The Undercover Economist Strikes Back'

This quiz covers key economic concepts from Tim Harford's book, including scarcity and trade-offs, marginal thinking, the price mechanism, information asymmetry, incentives, game theory, externalities, and the role of government. The questions draw on real-world examples and accessible explanations used throughout the book.

Scarcity and Trade-offs

1. According to Harford, what is the fundamental economic problem faced by individuals and societies?
   • a) Unlimited wants and limited resources
   • b) Limited wants and unlimited resources
   • c) Unlimited wants and unlimited resources
   • d) Limited wants and limited resources

Marginal Thinking

1. What principle does Harford use to explain why people often make irrational decisions, such as eating an entire bag of chips or staying up too late?
   • a) Diminishing marginal utility
   • b) Sunk cost fallacy
   • c) Opportunity cost
   • d) Comparative advantage

Worked Example

Question: Harford uses the example of a kid deciding whether to eat one more cookie to illustrate the concept of marginal thinking. What is the key insight here?

Solution: The kid should ask themselves: "Is eating this next cookie worth the cost (e.g., potential stomach ache, mom's disapproval)?" They should focus on the marginal benefit and marginal cost of consuming the next cookie, not the total cost or benefit of eating cookies in general.

The Price Mechanism

1. According to Harford, what is the primary function of prices in a market economy?
   • a) To indicate the scarcity of a good or service
   • b) To ensure a fair distribution of resources
   • c) To generate profits for businesses
   • d) To promote competition among sellers

... [Additional questions on information asymmetry, incentives, game theory, externalities, and the role of government]

Reference: Harford, T. (2013). The Undercover Economist Strikes Back: How to Run or Ruin an Economy. Penguin Books.