Introduction to Robustness

Lars Hansen and Thomas Sargent

A chapter in Robustness, 2007 from Princeton University Press

Abstract: The standard theory of decision making under uncertainty advises the decision maker to form a statistical model linking outcomes to decisions and then to choose the optimal distribution of outcomes. This assumes that the decision maker trusts the model completely. But what should a decision maker do if the model cannot be trusted? Lars Hansen and Thomas Sargent, two leading macroeconomists, push the field forward as they set about answering this question. They adapt robust control techniques and apply them to economics. By using this theory to let decision makers acknowledge misspecification in economic modeling, the authors develop applications to a variety of problems in dynamic macroeconomics. Technical, rigorous, and self-contained, this book will be useful for macroeconomists who seek to improve the robustness of decision-making processes.

Keywords: decision-making; uncertainty; statistical models; control techniques; economic modeling; dynamic microeconomics; misspecification (search for similar items in EconPapers)
Date: 2007
ISBN: 9780691114422
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Citations: View citations in EconPapers (87)

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