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:

Contrast expansionary monetary policy and contractionary monetary policy
Explain how monetary policy impacts interest rates and aggregate demand
Evaluate Federal Reserve decisions over the last forty years
Explain the significance of quantitative easing (QE)

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

Analyze whether monetary policy decisions should be made more democratically
Calculate the velocity of money
Evaluate the central bank’s influence on inflation, unemployment, asset bubbles, and leverage cycles
Calculate the effects of monetary stimulus

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

Explain the aggregate supply curve and how it relates to real GDP and potential GDP
Explain the aggregate demand curve and how it is influenced by price levels
Interpret the aggregate demand/aggregate supply model
Identify the point of equilibrium in the aggregate demand/aggregate supply model
Define short run aggregate supply and long run aggregate supply

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 real GDP, recessionary gaps, and inflationary gaps
Recognize the Keynesian AD/AS model
Identify the determining factors of both consumption expenditure and investment expenditure
Analyze the factors that determine government spending and net exports

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

Explain the Phillips curve, noting its impact on the theories of Keynesian economics
Graph a Phillips curve
Identify factors that cause the instability of the Phillips curve
Analyze the Keynesian policy for reducing unemployment and inflation

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