【正文】
5。研究方向:財務管理,證券投資。參 考 文 獻1 韓良智. 應用Excel求解受資金限制的項目投資[J].冶金經(jīng)濟與管理,2002(3):23~24Use EXCELL for Determining Optimized MultiProject Investment Combination and ArrangementHan Liangzhi(School of Management, University of Science and Technology of Beijing, 100083)Abstract How to optimize investment bination and arrangement for an investment project with restricted fund is a problem some enterprises often encounter. To determine investment bination and arrangement for such projects, it is necessary to take account not only of the investment amount, but also the sequence of investment. This paper describes in detail methods of and procedure for making such investment decisions with the help of EXCELL.Keywords: Restricted fund, Investment, Optimized management收稿日期:20030919。則此中情況下的最優(yōu)結(jié)果為:對項目A、B、C、D、E投資,舍棄項目F,得到凈現(xiàn)值650萬元,使用資金860萬元,剩余資金240萬元。作為此種情況的特例,當選取的項目都必須同時進行投資安排時(不管是在1年內(nèi)完成投資,還是分期完成投資),則優(yōu)化決策模型就可以大大簡化。經(jīng)過計算實踐,一般對凈現(xiàn)值大的項目的第0年和第1年的決策變量設(shè)置為1(即單元格G4:G9中設(shè)置為零)、而凈現(xiàn)值最小的項目的決策變量可以設(shè)置為零比較合適。在【規(guī)劃求解參數(shù)】 對話框中,【設(shè)置目標單元格】設(shè)置為單元格“$F$12”;【等于】設(shè)置為“最大”;【可變單元格】設(shè)置為“$F$4:$H$9”;在【約束】中輸入的約束條件有:“$F$10=$F$11,$G$10=$G$11,$H$10=$H$11,$F$4:$