---
title: IR Theories
description: This topic explores the theoretical frameworks used to analyze global politics, including realism, liberalism, constructivism, and critical theories. Learners will understand how these different perspectives explain state behavior and international events.
category: social-sciences
subcategory: international-relations
difficulty: beginner, intermediate, advanced
url: /subject/ir-theories
---

# IR Theories

This topic explores the theoretical frameworks used to analyze global politics, including realism, liberalism, constructivism, and critical theories. Learners will understand how these different perspectives explain state behavior and international events.

## Available Resources

2 Books • 2 Websites

## Books

### 1. Theory of International Politics

**Author:** Kenneth N. Waltz

The founding text of structural realism, or neorealism. Waltz argues that the anarchic structure of the international system, not the character of individual states, drives balancing and conflict; readers will grasp systemic theory and why bipolarity proved stable.

**Difficulty:** Intermediate | **Language:** English | **Price:** Paid

**Link:** https://www.amazon.com/dp/0075548526?tag=edmonddante07-20

**Tags:** books, humanities-social-sciences, international-relations

### 2. After Hegemony

**Author:** Robert O. Keohane

Keohane's foundational work of neoliberal institutionalism, explaining how international regimes let self-interested states keep cooperating after a hegemon declines. Readers will understand how institutions reduce transaction costs and uncertainty, and why this challenges realist pessimism about cooperation.

**Difficulty:** Intermediate | **Language:** English | **Price:** Paid

**Link:** https://www.amazon.com/dp/0691022283?tag=edmonddante07-20

**Tags:** books, humanities-social-sciences, international-relations

## Websites

### 1. e-ir.info

E-International Relations (e-ir.info) is a free, open-access platform with approachable articles, blog posts, and an extensive encyclopedia on international relations theory and practice. It features explanations of major IR theories, debates, and practical insights for students and scholars.

**Difficulty:** Intermediate | **Language:** English | **Price:** Free

**Link:** https://www.e-ir.org/

**Tags:** websites, humanities-social-sciences, international-relations

### 2. duckofminerva.com

Duck of Minerva is an academic blog and resource hub for international relations theory, featuring accessible explanations, scholarly commentary, and teaching resources on IR theories and related debates.

**Difficulty:** Intermediate | **Language:** English | **Price:** Free

**Link:** https://duckofminerva.com

**Tags:** websites, humanities-social-sciences, international-relations

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