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Based on the CAPM theory, this paper uses the historical data of CREIs (China Real Estate Index Systems) of Shanghai build an effective REITs (Real Estate Investment Trusts) investment strategy. Then using the Markowitz's mean-variance model, we calculated the optimal portfolio solutions, that is apply the classical security investment theory in the real estate investment decision-making, which have...
Based on Logit model, the paper studies on the Choice of R&D Cooperation Patterns on electronic information small and middle size enterprises in Beijing. It analyzes the characteristics of the patters on R&D cooperation and the patterns that what kind of enterprise would properly choose. It discusses the type and influencing factors for R&D cooperation patterns, and puts forward advice...
Based on the Logit model, this paper analyses the influencing factors of R&D cooperation mode, and puts forward some suggestions that the hi-tech SME chooses the R&D cooperation mode.
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