Progressive Taxation and Demographic Government: A Public Choice Analysis.- Progressive Taxation: Models and Policies.- The Rise and Fall of the Laffer Curve.- On the Irrelevance of the Laffer Curve.- The International Consequences of Less Progressive Taxation.- Tax Reforms and International Mobility.- Equitability and Income Taxation.- A Political Philosopher's View of Equitable Taxation.- An Economists' View of Equitable Taxation.- Capital Markets, Entrepreneurship and Progressive Taxation.- Taxing Entrepreneurs: Models and Reality.- The Consequences of Progressive Income Taxation for the Shadow Economy: Some Theoretical Considerations.- The Consequences of Progressive Income Taxation for the Shadow Economy.- The Consequences of a Changing Shadow Economy for the "Official" Economy: Some Empirical Results for Austria.- Notes on Taxes and Tax Evasion in Austria.- Addresses of Authors.