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Introduction to Robustness

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Author Info

  • Lars Peter Hansen

    (University of Chicago)

  • Thomas J. Sargent

    (New York University, Hoover Institution)

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.

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Bibliographic Info

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This chapter was published in: Lars Peter Hansen & Thomas J. Sargent , , pages , 2007.

This item is provided by Princeton University Press in its series Introductory Chapters with number 8535-1.

Handle: RePEc:pup:chapts:8535-1

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Web page: http://press.princeton.edu

Related research

Keywords: decision-making; uncertainty; statistical models; control techniques; economic modeling; dynamic microeconomics; misspecification;

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