Project cost includes direct cost, other direct cost, worksite expense, indirect cost and nonproduction expense.

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In Ricardian Model, if we measure the environmental cost with the additional labor cost, we will find that the introduction of environmental technology and environmental cost will correct the traditional pattern of comparative advantage.

在李嘉圖模型中，若將環(huán)境成本用追加的勞動(dòng)投入來衡量一级a毛片免灵靠看久久精品，可以發(fā)現(xiàn)人人爽人人做，環(huán)境成本的引入將修正傳統(tǒng)的比較優(yōu)勢格局。

Through the comparison of different conditions in multi-angle repeated test, we observe the disaccording path of risk preferences. The main content of this thesis are as follows. Firstly, we design 2 sessions of experiments to find the impact of the softening budget constraint and the form of endowment on the risk preference. Besides, this thesis also includes several experimental comparative studies, focusing on the dynamical inconsistency of risk preference as well as its drifting path.

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