
籠統有價證券投資;間接投資
The security portfolio investment theory was promoted on the basis of western developed security market.
證券組合投資理論是基于西方較完善的證券市場提出的一套投資理論。
In this paper, the portfolio investment theory and the real estate investment are combined to find out how to reduce the risk of the real estate investment.
本文将房地産投資和投資組合理論相結合,探讨如何利用房地産的投資組合來降低房地産投資風險。
And by this means, risk measure and premium pricing are related, Meanwhile, from this way, the mean value principle can be applied into the portfolio investment and pricing for the combined risks.
由此,達到了風險的度量和保費定價的有機結合,同時,也将經典的“平均值原理”從個體風險推廣到了組合投資和組合風險的度量定價中。
Foreign capitals include foreign direct investment, international loan and international portfolio investment.
外資包括外商直接投資、國際信貸和國際證券投資。
In this paper, the portfolio investment model with probability criterion is investigated.
提出一種基于概率準則的新型組合證券投資模型。
Portfolio investment is a long-term investment in which the investor does not exercise any managerial control.
有價證券投資是一種長期投資,投資者不行使任何的經營管理權。
Portfolio investment can be either debt or equity, but the factor that distinguishes portfolio from direct investment is that control does not follow this kind of investment.
間接投資可以以負債或以資産的方式進行投資,但它與直接投資是有區别的,它不享有對企業的控制權。
This method provides some scientific evidence and an algorithm to the optimal portfolio investment.
為證券組合投資的最優化提供科學依據和有效的計算方法。
Investment Fund is an investment instrument characterized as portfolio investment and experts management.
投資基金是一種集合投資、專家管理的投資工具。
The evidence on whether portfolio investment affects growth is even more sparse than the evidence on FDI.
有關有價證券投資是否影響經濟增長的證據比有關外國直接投資的證據更加稀少。
Secondly, the validity of portfolio investment is analyzed from the micro foundation in terms of theory, and its advantage is stu***d combining the analysis of cases.
其次,從理論角度探析了組合投資有效性的微觀基礎,分析了其具有的優勢,并結合案例分析。
Portfolio investment is the main form of the foreign indirect investment.
比例的圓周一圈,它的直徑是有價證券投資。
Portfolio investment refers to the investment through financial instruments rather than by managing the company directly.
指隻通過金融工具而并不參與公司的管理而進行的投資。
On the basis of hedging theory, the factor of speculation is merged, and the hedging portfolio investment model is developed to be the model of hedging and speculation portfolio investment.
在套期保值投資理論的基礎上,融入了投機的因素,将套保組合投資模型發展為套保與投機結合的模型。
In this paper, the authors state the theory and method of hedging and speculation portfolio investment.
本文提出套期保值與投機的組合投資理論和方法。
3 The report describes how organizations may use a portfolio investment approach to select, control, and evaluate IT projects.
3報告介紹了企業如何使用組合投資方法來選擇、控制,及評估IT項目。
This paper defines the pure risk as a kind of probable loss in the portfolio investment.
本文将證券投資的純粹風險界定為未來的一類可能損失的不确定性。
In this paper, we put forth a kind of interval number linear programming method for the portfolio investment.
提出證券組合投資分析的區間數線性規劃方法。
Style investment is an important branch of portfolio investment.
風格投資是組合投資理論研究中的一個重要分支。
Because portfolio investment can decrease the risk in case that the profit can't be decreased, they often take portfolio investment .
所以為了降低投資風險,證券投資者一般采用組合投資的方法。
It also provides the absolute negative deviation measure and the semi-variance measure of the pure risk and sets up the multiobjective decision-****** models of the portfolio investment.
給出了純粹風險的絕對負偏差和半方差兩類測度并用于建立證券投資多目标決策模型。
We used indifference curve method(IDCM)to calculate the optimal portfolio investment proportion and gave examples to verify the results in the paper.
應用無差異曲線法求解出這種效用函數的最優投資比例,并對本文所得出的結論進行了實例應用分析。
Then the methods of fuzzy optimization and evolution programming are adopted to study the portfolio investment under a new risk concept, and an algorithm for solving the problem is given.
運用模糊優化和進化規劃方法,研究新風險概念下的模糊證券組合選擇,并給出了其相應算法。
組合投資(Portfolio Investment) 指投資者購買股票、債券、基金份額或其他金融資産,不以獲取目标企業經營控制權為目的,而是通過資産價格波動或利息/股息獲取財務回報的投資行為。其核心在于構建多元化資産組合以分散風險,屬于間接投資範疇,區别于直接投資(FDI)。以下從三方面詳解:
投資者持有證券(如上市公司股票、政府債券、貨币市場工具)僅作為財務投資,不參與被投資實體的日常管理或戰略決策。例如,購買蘋果公司股票旨在分享其股價上漲紅利,而非介入産品研發。
組合投資标的通常在公開市場交易(如證券交易所),可快速買賣變現。債券、ETF等标準化産品流動性顯著高于直接投資實體資産。
通過配置不同國家、行業、資産類别的證券(如同時持有科技股+國債+新興市場基金),降低單一資産波動對整體收益的影響。現代投資組合理論(MPT)為此提供了數學基礎。
維度 | 組合投資 | 直接投資(FDI) |
---|---|---|
控制權意圖 | 追求財務回報,無經營控制目的 | 獲取企業長期控制權(如并購) |
持股比例 | 通常低于10%(IMF标準) | 一般超過10%股權 |
資本流動性 | 高(可短期進出市場) | 低(資金鎖定于實體項目) |
風險屬性 | 市場風險為主(股價、利率波動) | 經營風險為主(管理、政策、運營) |
資料來源:國際貨币基金組織(IMF)《國際收支手冊》(BPM6)對投資類型的界定。
權威參考來源:
因平台限制無法提供實時可訪問鍊接,建議通過上述機構官網檢索相關文獻。定義與分類均基于國際金融标準框架。
Portfolio investment(證券投資/組合投資)是指通過購買股票、債券、基金等金融資産進行的間接投資行為,其核心目的是通過分散投資來平衡風險與收益。以下是詳細解釋:
維度 | Portfolio Investment | 直接投資(FDI) |
---|---|---|
控制權 | 無 | 通常有 |
投資期限 | 短期到中期 | 長期 |
風險 | 市場波動風險 | 經營與政治風險 |
注意:部分網頁(如)将證券投資與“社交目的”關聯,此解釋存在偏差,需以金融領域定義為準。如需更完整的理論或案例,可參考經濟學教材或專業投資分析報告。
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