Principles of Macroeconomics 2e covers the scope and sequence of most introductory economics courses. The text includes many current examples, which are handled in a politically equitable way. The outcome is a balanced approach to the theory and application of economics concepts. The second edition has been thoroughly revised to increase clarity, update data and current event impacts, and incorporate the feedback from many reviewers and adopters.Changes made in Principles of Macroeconomics 2e are described in the preface and the transition guide to help instructors transition to the second edition.

By the end of this section, you will be able to:

Understand how fiscal policy and monetary policy are interconnected
Explain the three lag times that often occur when solving economic problems
Identify the legal and political challenges of responding to an economic problem

In this chapter, you will learn about:
Macroeconomic Perspectives on Demand and Supply
Building a Model of Aggregate Demand and Aggregate Supply
Shifts in Aggregate Supply
Shifts in Aggregate Demand
How the AD/AS Model Incorporates Growth, Unemployment, and Inflation
Keynes’ Law and Say’s Law in the AD/AS Model

By the end of this section, you will be able to:

Explain Say’s Law and understand why it primarily applies in the long run
Explain Keynes’ Law and understand why it primarily applies in the short run

By the end of this section, you will be able to:

Explain the importance of potential GDP in the long run
Analyze the role of flexible prices
Interpret a neoclassical model of aggregate demand and aggregate supply
Evaluate different ways for measuring the speed of macroeconomic adjustment

By the end of this section, you will be able to:Interpret a circular flow diagramExplain the importance of economic theories and modelsDescribe goods and services markets and labor markets