| 摘要 |
The invention consists of a means of illustrating how each investment in a portfolio of investments is expected to contribute to the total business value of the portfolio, subject to any overall investment budget constraint, while also showing the level of uncertainty around each expected value. This enables the investor to understand the contribution to total value provided by each investment, thereby enabling better decision-making about investments within a portfolio. Investment return versus investment cost is plotted for each investment of the portfolio, and these are plotted in such as way as to see how each investment contributes to the overall portfolio's value. The uncertainty in the return may also optionally be plotted, as well as the uncertainty in the expected investment cost: these help the investor to gauge how these uncertainties affect overall portfolio uncertainty.
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