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瑞典皇家科學(xué)院9日宣布，將2006年諾貝爾經(jīng)濟學(xué)獎授予美國哥倫比亞大學(xué)教授埃德蒙·費爾普斯，以表彰他在加深人們對于通貨膨脹和失業(yè)預(yù)期關(guān)系的理解方面所做的貢獻。瑞典皇家科學(xué)院說，費爾普斯的研究“加深了人們對經(jīng)濟政策長期和短期效果關(guān)系的理解”，并對“經(jīng)濟學(xué)研究和經(jīng)濟政策產(chǎn)生了決定性的影響”。費爾普斯是一位國際上著名的經(jīng)濟學(xué)家，他在上個世紀(jì)60年代后期對當(dāng)時盛行的“菲利普斯曲線”理論提出了挑戰(zhàn)，指出通貨膨脹不僅與失業(yè)有關(guān)，也與企業(yè)和雇員對價格和工資增長的預(yù)期有關(guān)。 |
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American Edmund S. Phelps won the 2006 Nobel Memorial Prize in Economic Sciences on Monday for furthering the understanding of the trade-offs between inflation and its effects on unemployment. The 73-year-old Columbia University professor's work showed how low inflation today leads to expectations of low inflation in the future, thereby influencing future policy decision making by corporate and government leaders. Phelps is the sixth American to win a Nobel this year, meaning that every prize except for the literature and peace awards, which are yet to be announced, have gone to Americans. "I tried to put the people back into our economic model and in particular to take into account their expectations about what other economic actors are doing at the same time and in the future," he said. Phelps challenged the prevailing view in the 1960s that there was a stable, negative relationship between inflation and unemployment, illustrated by the so-called Phillips curve. "He recognized that inflation does not only depend on unemployment, but also on the expectations of firms and employees about price and wage increases," the academy said. Phelps put together a new model to describe the relationship between inflation and unemployment, known as the expectations-augmented Phillips curve. He also showed that there is a precise "equilibrium unemployment rate" at which firms raise workers' wages at the same rate as average wages are expected to rise in the economy overall. Those findings have influenced central banks in their interest-rate decisions, the academy said. "Phelps' work has fundamentally altered our views on how the macroeconomy operates," the citation said, adding his work proved fruitful in understanding the causes of the increases in both inflation and unemployment in the 1970s. In its citation announcing the award, the academy said that Phelps had advanced the understanding of the trade-offs between full employment, stable pricing and rapid growth, all of which are the central goals of any sound economic policy. |
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trade-offs: 平衡 |
