Machine generated contents note: 1.Defining Public Sector Responsibilities -- The Economic Role of Government -- The Mixed Economy of the United States -- Different Perspectives on the Role of Government -- An Impetus for Government Action: Market Failures -- Achieving Balance between the Public and Private Sectors -- The Emerging Consensus -- Thinking Like a Public Sector Economist -- Analyzing the Public Sector -- Economic Models -- Case Study Musgrave's Three Branches -- Normative versus Positive Economics -- Disagreements among Economists -- Differences in Views on How the Economy Behaves -- Disagreement over Values -- Case Study Public Sector Economics and the Global Economic Crisis -- Review and Practice -- Summary -- Key Concepts -- Questions and Problems -- 2.Measuring Public Sector Size -- What or Who Is the Government? -- Types of Government Activity -- Providing a Legal System -- Government Production -- Government's Influence on Private Production --