This chapter considers the evidence on productivity growth in transportation industries and provides a critical review of efforts to distinguish the nature and sources of technical progress. Regulatory reform and technological advance have contributed to productivity growth that is nonneutral...

The traditional concentration of basic research activities in academic settings, with applied research more prevalent in industrial settings, is a distinguishing feature of science and technology markets. This structure arises from a unique combination of product characteristics, and in turn it...

This textbook teaches some of the basic econometric methods and the underlying assumptions behind them. It also includes a simple and concise treatment of more advanced topics in spatial correlation, panel data, limited dependent variables, regression diagnostics, specification testing and time...

Part 1: What Is Econometrics? -- Basic Statistical Concepts -- Simple Linear Regression -- Multiple Regression Analysis -- Violations of the Classical Assumptions -- Distributed Lags and Dynamic Models -- Part 2: The General Linear Model: The Basics -- Regression Diagnostics and Specification...