The quantitative limits of rational debt of petroleum enterprise are calculated when total capital return ratio is higher or lower than debt capital cost respectively.

Debt capital cost method is relatively simple.

This article is to build a determination frame for Multinational Corporation capital structure through the media of debt financing cost of Multi.

Based on the sample of listed private firms, this paper investigates credit discrimination on private firms from the debt financing cost aspect This paper finds that the debt financing cost of listed firms increases after their privatizations.

This paper measures the income and risk of real estate portfolios by using the single-index,wodel and capital of cost rate formula,Then according to the quality and investing principle of real estate,the paper establishes a goal program model in real estate investment of bundling business.

Contemporary enterprise capitals cover the equity capital and the debt capital.

This paper CAPM and certainty equivalent wealthare applied because of NCF S volatility of venture capital projects, on the basis of which, debt capital is introduced.

According to the difference between the characterishcs of debt capital and that of equity capital, the optimum standard for measuring capital structure is proposed.