---
title: "Unit 1 – Basic Economic Concepts - AP Microeconomics"
description: "Review Unit 1 – Basic Economic Concepts for AP Microeconomics with Fiveable study guides and practice resources."
canonical: "https://fiveable.me/ap-micro/unit-1"
type: "unit"
subject: "AP Microeconomics"
unit: "Unit 1 – Basic Economic Concepts"
---

# Unit 1 – Basic Economic Concepts - AP Microeconomics

## Overview

Review Unit 1 – Basic Economic Concepts for AP Microeconomics with Fiveable study guides and practice resources.

## Study Guides

- [1.5 Cost-Benefit Analysis](/ap-micro/unit-1/cost-benefit-analysis/study-guide/2RKytJ95C0ylVPlz4biy)
- [1.4 Comparative Advantage and Trade](/ap-micro/unit-1/comparative-advantage-trade/study-guide/2dUIuaCgK10h5D4FTrJt)
- [1.6 Marginal Analysis and Consumer Choice](/ap-micro/unit-1/marginal-analysis-consumer-choice/study-guide/QBFQvkWXhvx4wSHnR6dr)
- [1.2 Resource Allocation and Economic Systems](/ap-micro/unit-1/resources-allocation-economic-systems/study-guide/SRQkB02dSJAZ1TBjcgun)
- [1.1 Basic Economic Concepts: Scarcity](/ap-micro/unit-1/scarcity/study-guide/uLVmQcfTzBzbu3VoG9zL)
- [1.3 Production Possibilities Curve (PPC)](/ap-micro/unit-1/production-possibilities-curve/study-guide/vOyi0vMdUVBJ1k4Vlx2Z)

## FAQs

### What topics are covered in AP Micro Unit 1?

AP Micro Unit 1 covers 6 topics: Scarcity (1.1), Resource Allocation and Economic Systems (1.2), Production Possibilities Curve (1.3), Comparative Advantage and Trade (1.4), Cost-Benefit Analysis (1.5), and Marginal Analysis and Consumer Choice (1.6). Together they build the foundation for every unit that follows. Here's a quick breakdown of what each topic covers: - **1.1 Scarcity**. why unlimited wants and limited resources force trade-offs
- **1.2 Resource Allocation and Economic Systems**. how command, market, and mixed economies answer the basic production questions
- **1.3 Production Possibilities Curve**. modeling trade-offs and opportunity cost graphically
- **1.4 Comparative Advantage and Trade**. why specialization and exchange benefit everyone
- **1.5 Cost-Benefit Analysis**. weighing explicit and implicit costs against benefits
- **1.6 Marginal Analysis and Consumer Choice**. how decisions are made one unit at a time See all six topics at [/ap-micro/unit-1](/ap-micro/unit-1).

### How much of the AP Micro exam is Unit 1?

AP Micro Unit 1 makes up 12-15% of the AP exam, making it one of the lighter-weighted units but a critical one. It covers scarcity, resource allocation, the production possibilities curve, comparative advantage, cost-benefit analysis, and marginal analysis. Because these concepts underpin every later unit, a shaky foundation here will cost you points across the whole exam.

### What's on the AP Micro Unit 1 progress check (MCQ and FRQ)?

The AP Micro Unit 1 progress check includes both MCQ and FRQ parts that draw directly from all six unit topics: scarcity, resource allocation and economic systems, the production possibilities curve, comparative advantage and trade, cost-benefit analysis, and marginal analysis and consumer choice. The MCQ section tests conceptual recognition, while the FRQ portion asks you to apply and explain these ideas in short written responses. For the MCQ part, expect questions that ask you to identify opportunity costs, classify economic systems, and interpret production possibilities curve diagrams. The FRQ part typically asks you to explain a trade-off or calculate comparative advantage using given data. Practice with questions matched to each progress check topic at [/ap-micro/unit-1](/ap-micro/unit-1).

### How do I practice AP Micro Unit 1 FRQs?

AP Micro Unit 1 FRQs most often come from three topics: Production Possibilities Curve (1.3), Comparative Advantage and Trade (1.4), and Marginal Analysis and Consumer Choice (1.6). These questions typically ask you to draw or interpret a curve, calculate opportunity costs, identify which producer holds comparative advantage, or explain a marginal decision. Practicing each of those skills separately before combining them is the most efficient approach. A solid FRQ practice routine for this unit looks like this: 1. Draw a production possibilities curve from scratch and label opportunity cost correctly.
2. Work through comparative advantage problems using given output or input data.
3. Practice marginal analysis by comparing marginal benefit to marginal cost in a scenario.
4. Write out your reasoning in full sentences, since College Board awards points for explanation, not just correct numbers. Find Unit 1 FRQ practice at [/ap-micro/unit-1](/ap-micro/unit-1).

### Where can I find AP Micro Unit 1 practice questions?

The best place to find AP Micro Unit 1 practice questions, including multiple-choice and full practice test sets, is [/ap-micro/unit-1](/ap-micro/unit-1). That page has resources matched to all six unit topics, from scarcity and resource allocation through marginal analysis and consumer choice, so you can target whichever topic needs the most work. For MCQ practice, focus on questions that test opportunity cost, production possibilities curve interpretation, and comparative advantage calculations. Those three areas show up most often on both the progress check and the actual AP exam. Working through topic-by-topic practice before taking a full unit practice test helps you spot gaps faster.

### How should I study AP Micro Unit 1?

Start AP Micro Unit 1 by locking in scarcity and opportunity cost, because those two ideas show up in every topic that follows. Once that clicks, move through the six topics in order: they build on each other, and skipping ahead makes comparative advantage and marginal analysis much harder to understand. Here's a study plan that works: 1. **Topics 1.1-1.2**. Define scarcity, list the factors of production, and compare command, market, and mixed economies. Flashcards work well here.
2. **Topic 1.3**. Draw the production possibilities curve repeatedly until you can label opportunity cost, efficiency, and economic growth from memory.
3. **Topic 1.4**. Practice comparative advantage problems with real numbers. Calculate opportunity costs for two producers, identify who specializes in what, and explain why trade benefits both.
4. **Topics 1.5-1.6**. Work through cost-benefit and marginal analysis scenarios. The key habit is always asking, "What changes at the margin?"
5. **Review**. Take a timed MCQ set and write out at least one FRQ response before moving to Unit 2. All practice materials for these steps are at [/ap-micro/unit-1](/ap-micro/unit-1).

### What graphs do I need to know for AP Micro Unit 1?

The production possibilities curve (PPC) is the only graph tested in AP Micro Unit 1, and it's one of the most important diagrams in the entire course. You need to draw it accurately, interpret points on and inside the curve, calculate opportunity cost from its slope, and show how it shifts when resources or technology change. Here's exactly what to know about the PPC: - **Points on the curve**. productively efficient (using all resources)
- **Points inside the curve**. inefficient (unemployed or underused resources)
- **Points outside the curve**. currently unattainable
- **Slope**. represents the opportunity cost of producing one more unit of a good
- **Concave shape**. reflects increasing opportunity costs as resources are shifted
- **Outward shift**. economic growth from more resources or better technology The PPC also connects directly to comparative advantage (Topic 1.4): you'll use opportunity cost calculations from the curve to determine which producer should specialize in which good. Expect at least one PPC-related question on the progress check and likely one on the AP exam. Practice drawing and labeling it at [/ap-micro/unit-1](/ap-micro/unit-1).

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