同アカデミーは授賞理由で「2人は民間部門の合理的期待に注目して、財政・金融政策と経済の相互関係を実証する手法を発展させた」と評価した。
サージェント教授は「合理的期待」の考え方を取り入れ、政府が裁量的な財政・金融政策を導入したとしても、企業も個人もその結果を正しく予想して行動する ため、その政策は無に帰すとの仮説を立てた。第二次大戦後、多くの政府が最初は高いインフレ政策をとったものの、最終的にはインフレ抑制政策に戻った過程 を実証分析した。
シムズ教授は中央銀行による政策金利引き上げの影響を計量経済学を用いて分析。経済成長が短期間に減速しても、インフレが落ち着くのに1~2年かかることを説明した。
今年は受賞する日本人は一人もいませんでしたね。来年以降に期待しましょう。
Royal Swedish Academy of Sciences on May 10, the Nobel Prize in Economics in 2011, and awarded to Professor Thomas Sargent, Christopher Sims Purinsuton大 professor of American Nyuyoku大 established a method to analyze the causes and consequences of macroeconomic empirical announced.
Said Academy Award because "They are reasonably expected to focus on private sector development was a method to demonstrate the interaction between fiscal and monetary policies and the economy" were evaluated.
Sargent is "rational expectations" approach adopted, even if discretionary fiscal and monetary policies introduced by the government, to act correctly predicts the outcome of individual companies, their policies and come to naught hypothesized. After World War II, although many governments initially took the high-inflation policy, and eventually returned to the policy that empirical inflation process.
Professor Sims is analyzed using econometric effects of central bank policy rate hike. Even if short-term slowdown in economic growth, explained that it takes 1-2 years to settle down inflation.
Japanese to be awarded this year, I was not a single person. Looking forward to next year.
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