This chapter examines several key issues in the "polarization" debate. Should one be using wage or income data, and before or after income tax? How refined are aggregate countrywide job classifications when job tasks essentially differ by firms? Is polarization a universal phenomenon, or is it...

Frontmatter -- Contents -- Tables -- Figures -- Preface -- Introduction -- 1. The growth of regulation -- 2. The model -- 3. Data -- 4. Results of the free trade model, 1966 data, and development of the constrained model -- 5. The dual -- 6. The tariff -- 7. Sensitivity of the...

An expanding economics literature has examined the theoretical linkages between mandatory unbundling in the telecommunications sector and the incentives to invest in facilities by both incumbent local carriers and competitive carriers. Recent empirical evidence that substantiates the theory has...