Drawing lessons from economic Value-added concept, capital-asset-pricing model and Black-Scholes model, we have designed the phantom stock option plan of Liutie material company.

借鉴经济增加值这一概念和资本资产定价模型及布莱克-舒尔茨模型，设计了柳州材料总厂虚拟股票期权激励计划。

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According to Kotnik, containers have been used for decades as makeshift residences and market shops in places like Africa, but it's only in the last 10 years that architects have "added value" by creating high concept designs out of them.

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