R&D, Education, and Productivity - A Retrospective (Hardcover)

Zvi Griliches was a modern master of empirical economics. In this short book, he recounts what he and others have learned about the sources of economic growth. This book conveys the way he tackled research problems. For Griliches, economic theorizing without measurement is merely the fashioning of parables, but measurement without theory is blind. Judgment enables one to strike the right balance.

The book begins with economists' first attempts to measure productivity growth systematically in the 1930s. In the mid-1950s these efforts culminated in a startling puzzle. The growth of measured inputs like labor and capital explained only a fraction of the growth of national output. Economists called this phenomenon "efficiency" or "technical change" or "the residual." However, Griliches observes that the most accurate name was a "measure of our ignorance." What explained the rest of economic growth quickly became one of the most important questions in economics.

Over the next thirty years, Griliches and his colleagues and students looked for various components of the residual in education (the formation of human capital), investment (the formation of physical capital), and research and development. In 1973, after the oil price shocks, productivity growth slowed and the residual almost disappeared. Since the shocks were a short-term phenomenon, they could not account for the slowdown. A main focus of this book is therefore the puzzle of the productivity slowdown and how to date it and how to explain it.

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