Phân tích tư tưởng của nhân dân qua đoạn thơ: Những người vợ nhớ chồng… Những cuộc đời đã hóa sông núi ta trong Đất nước của Nguyễn Khoa Điềm
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This paper develops theory missing in the sizeable literature that uses data envelopment
analysis to construct return : risk ratios for investment funds. It explores the production
possibility set of the investment funds to identify an appropriate form of returns to
scale. It discusses what risk and return measures can justifiably be combined and how
to deal with negative risks, and identifies suitable sets of measures. It identifies the
problems of failing to deal with diversification and develops an iterative approximation
procedure to deal with it. It identifies relationships between diversification, coherent
measures of risk and stochastic dominance. It shows how the iterative procedure makes a
practical difference...
Nội dung trích xuất từ tài liệu:
Data Envelopment Analysis Models of Investment Funds
