英文标题：
《On the value of being American》
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作者：
David Hobson and Anthony Neuberger
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最新提交年份：
2016
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英文摘要：
The virtue of an American option is that it can be exercised at any time. This right is particularly valuable when there is model uncertainty. Yet almost all the extensive literature on American options assumes away model uncertainty. This paper quantifies the potential value of this flexibility by identifying the supremum on the price of an American option when no model is imposed on the data, but rather any model is required to be consistent with a family of European call prices. The bound is enforced by a hedging strategy involving these call options which is robust to model error.
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中文摘要：
美式期权的优点是它可以在任何时候行使。当存在模型不确定性时，这一权利尤其有价值。然而，几乎所有关于美式期权的广泛文献都假设模型不确定性。本文通过确定美式期权价格的上确界来量化这种灵活性的潜在价值，当数据上没有模型时，而是要求任何模型与欧洲看涨价格族一致。该界限由包含这些看涨期权的对冲策略强制执行，该策略对模型误差具有鲁棒性。
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分类信息：

一级分类：Quantitative Finance 数量金融学
二级分类：Mathematical Finance 数学金融学
分类描述：Mathematical and analytical methods of finance, including stochastic, probabilistic and functional analysis, algebraic, geometric and other methods
金融的数学和分析方法，包括随机、概率和泛函分析、代数、几何和其他方法
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