“增兵”奏效了吗?一些新的事实

M. Greenstone
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引用次数: 17

摘要

关于最近的军事“增兵”对伊拉克局势的影响,以及它是否在为伊拉克的稳定铺平道路的事实很少。有选择性的、道听途说的和不完整的分析比比皆是。政策制定者和国防规划者必须决定哪些衡量成功或失败的标准是最重要的,但到目前为止,几乎没有系统的分析可以作为这些决策的基础。本文将现代统计技术应用于一份新的数据文件,该文件来自十多个最可靠和被广泛引用的来源,以评估增兵在三个关键方面的影响:伊拉克国家的运作(包括暴力平民伤亡);军事人员伤亡;以及金融市场对伊拉克未来的评估。这里提出的新的和异常严格的调查结果应有助于为目前对增兵的评估提供信息,并为更好地制定未来战略提供基础。分析显示,增兵对伊拉克主要趋势的影响证据不一。安全局势有所改善,因为平民暴力死亡人数有所下降,而联军和伊拉克部队的伤亡人数没有同时增加。然而,其他领域,如石油生产和受过训练的伊拉克安全部队的人数没有改善或下降。评估这些相互矛盾的指标具有挑战性。然而,还有另一种评估增兵的方式。本文展示了如何利用世界金融市场的数据来阐明一个核心问题,即增兵是增加了还是减少了今天的伊拉克在未来生存的前景。我特别研究了伊拉克政府目前在世界金融市场上为其提供利息的伊拉克国债的价格。在股市大涨之后,这些债券的价格相对于另类债券出现了大幅下跌。这表明市场对伊拉克违约的预期上升了40%。这一发现表明,到目前为止,增兵计划未能为伊拉克的稳定铺平道路,实际上可能正在破坏伊拉克的稳定。
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Is the "Surge" Working? Some New Facts
There is a paucity of facts about the effects of the recent military "Surge" on conditions in Iraq and whether it is paving the way for a stable Iraq. Selective, anecdotal and incomplete analyses abound. Policy makers and defense planners must decide which measures of success or failure are most important, but until now few, if any, systematic analyses were available on which to base those decisions. This paper applies modern statistical techniques to a new data file derived from more than a dozen of the most reliable and widely-cited sources to assess the Surge's impact on three key dimensions: the functioning of the Iraqi state (including violent civilian casualties); military casualties; and financial markets' assessment of Iraq's future. The new and unusually rigorous findings presented here should help inform current evaluations of the Surge and provide a basis for better decision making about future strategy. The analysis reveals mixed evidence on the Surge's effect on key trends in Iraq. The security situation has improved insofar as violent civilian fatalities have declined without any concurrent increase in casualties among coalition and Iraqi troops. However, other areas, such as oil production and the number of trained Iraqi Security Forces have shown no improvement or declined. Evaluating such conflicting indicators is challenging. There is, however, another way to assess the Surge. This paper shows how data from world financial markets can be used to shed light on the central question of whether the Surge has increased or diminished the prospect of today's Iraq surviving into the future. In particular, I examine the price of Iraqi state bonds, which the Iraqi government is currently servicing, on world financial markets. After the Surge, there was a sharp decline in the price of those bonds, relative to alternative bonds. This decline signals a 40% increase in the market's expectation that Iraq will default. This finding suggests that, to date, the Surge is failing to pave the way toward a stable Iraq and may in fact be undermining it.
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