The Diversified Portfolio Decisions-making Research Of Shipping Company Based On Risk Appetite

With the constant development and maturity of the investment behavior of decision theory, researchers increasingly focused on the study of decision-makers investment issues in importance in the decision-making of non-economic factors, especially the human factor in the representative factors on risk appetite decision-making results. The investment decisions of a single investment project the risk appetite of the people in a lot of research in decision-making factors. With the maturity of the individual investment research, people began to consider the risk appetite to the study of a number of portfolio. Shipping field also has appeared in the shipping investment decision considering the risk attitudes of decision makers.On the basis of Shipping companies’comprehensive analysis of its strategic development, the development mode, when taking into account the diversified portfolio of decision, decision-makers of different risk preferences surely take a different decision-making action program. The paper constructing a decision model for different risk preferences decision makers specially when they face a more complex combination of investment For different risk preferences decision makers, and calculated the result to provide the decision-making draw, for the different risk preferences decision makers.The paper systematically anglicized the decision-making status of shipping company diversified investment and the weaknesses, as well as the risk of the diversified portfolio, summarizes the impact factor of decision-making risk and status of portfolio based on preference, and then, put forward a theory of portfolio bases on risk preference and set up a model. Then combined the utility function, which characterized the preference of decision maker, with mean-variance model, and respectively established aversion and preference of portfolio decision-making model, and then calculated empirical analysis. Finally, we got the results on different attitudes of decision makers, and then contrast it with the attitude of non-considering risk. We shall verify the reasonableness the decision-making ideas through data analysis.