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SingaporeEconomics

Scarcity, Choice and Resource Allocation

5 dot points across 5 inquiry questions. Click any dot point for a focused answer with worked past exam questions where available.

What resources does an economy use to produce goods and services, and what does each one earn?

Identify the four factors of production, describe what each contributes, and link each to its reward
A clear O-Level answer on the four factors of production. What land, labour, capital and enterprise each contribute to production, the reward each one earns, and why all four are scarce.
7 min answer →

Who decides how scarce resources are used in different kinds of economy?

Compare market, planned and mixed economies as different ways of allocating scarce resources, with their advantages and disadvantages
A clear O-Level answer comparing market, planned and mixed economies. How each allocates scarce resources, the advantages and disadvantages of each, and why most real economies, including Singapore, are mixed.
8 min answer →

Why must everyone make choices, and what is the real cost of any choice?

Explain scarcity as the central economic problem and show how it forces choice, giving every decision an opportunity cost
A clear O-Level answer on scarcity, choice and opportunity cost. Why unlimited wants meet limited resources, why this forces everyone to choose, and how opportunity cost measures the real cost of a decision.
8 min answer →

What three questions must every economy answer because resources are scarce?

Explain the three basic economic questions of what, how and for whom to produce, and why every economy must answer them
A clear O-Level answer on the three basic economic questions. What to produce, how to produce it and for whom to produce, why scarcity forces every economy to answer them, and how the answers differ between economic systems.
7 min answer →

How can a simple curve show scarcity, choice, opportunity cost and growth all at once?

Use the production possibility curve to illustrate scarcity, choice, opportunity cost, unemployment and economic growth
A clear O-Level answer on the production possibility curve. How the PPC shows scarcity, choice and opportunity cost, what points on, inside and beyond the curve mean, and how the curve shifts when an economy grows.
8 min answer →