This paper applies a binominal lattices approach to the valuation of venture investment decision, a compounded option of a European option and an American option.

利用二叉树方法，通过对一个欧式期权与一个美式期权构成的复合期权进行定价，完成对风险投资问题的估价。

youdao

Austerity is not an option at the moment (though private American saving is increasing!), and it's hard to see the good in offering a meagre stimulus package.

俭省不是这一刻的选项（尽管美国人个人储蓄正在增加！） 提出一套紧巴巴的刺激方案难以看出有什么好。

youdao

Mr Obama took an American approach to health care, dismissing both a Canadian single-payer option and a broad federal safety-net plan to win support.

奥巴马选择了一个美国式的健保方案来赢得支持，放弃了加拿大式的单一支付方案和广泛的联邦安全网方案。

youdao

If you purchase an option, you have the right to exercise it (with an American style option as most equities are) at any time in the expiration cycle.

FORBES: Pinning The $500 Tail On The Apple

In his remarks while en route to Israel, Hagel repeatedly emphasized Israel's right of self-defense and stressed that military force by implication, Israeli or American remains an option of last resort.

NPR: Pentagon Chief Stresses Israel's Right To Hit Iran

And although U.S. officicals have led calls for an end to the conflict, Plesch suggests that a prolonged conflict in Syria might not be the "worst option" from an Israeli or American militarist point of view, because neutralizing Syria would have the effect of isolating Hezbollah, and to a degree Hamas, from Iran, an ally of Damascus.

CNN: Syria: As al-Assad's grip loosens, what could come next?