Economics of pessimism and optimism: Theory of Knightian uncertainty and its applications

Kiyohiko G. Nishimura, Hiroyuki Ozaki

研究成果: Book

6 被引用数 (Scopus)

抄録

This is the first book to investigate individual's pessimistic and optimistic prospects for the future and their economic consequences based on sound mathematical foundations. The book focuses on fundamental uncertainty called Knightian uncertainty, where the probability distribution governing uncertainty is unknown, and it provides the reader with methods to formulate how pessimism and optimism act in an economy in a strict and unified way. After presenting decision-theoretic foundations for prudent behaviors under Knightian uncertainty, the book applies these ideas to economic models that include portfolio inertia, indeterminacy of equilibria in the Arrow-Debreu economy and in a stochastic overlapping-generations economy, learning, dynamic asset-pricing models, search, real options, and liquidity preferences. The book then proceeds to characterizations of pessimistic (e-contaminated) and optimistic (e-exuberant) behaviors under Knightian uncertainty and people's inherent pessimism (surprise aversion) and optimism (surprise loving). Those characterizations are shown to be useful in understanding several observed behaviors in the global financial crisis and in its aftermath. The book is highly recommended not only to researchers who wish to understand the mechanism of how pessimism and optimism affect economic phenomena, but also to policy makers contemplating effective economic policies whose success delicately hinges upon people's mindsets in the market.

本文言語English
出版社Springer Japan
ページ数326
ISBN(電子版)9784431559030
ISBN(印刷版)9784431559016
DOI
出版ステータスPublished - 2017 11 13

ASJC Scopus subject areas

  • 経済学、計量経済学および金融学(全般)
  • ビジネス、管理および会計(全般)

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