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- How Much Diversification Is Enough?
- Levels of diversification in the portfolios of investors present a puzzle. The benefits of diversification, measured by the rules of mean-variance portfolio theory, have increased in recent years, yet levels of diversification did not increase, remaining much below their optimal levels. Investors in behavioral portfolio theory construct their portfolios as...
- White papers 2002-09-01
- DFA Funds Hard To Buy, Easy To Own
- Modern portfolio theory describes how to construct an investment portfolio optimized to deliver the highest returns for risk the investor is willing to accept. Dimensional Fund Advisors DFA funds are sold only through fee-only financial planners—and then only when DFA agrees to accept their business. DFA has 30-plus portfolios, covering...
- White papers 2002-06-04
- Advanced Strategies For Managing Volatility
- Investors are exposed to financial risk in two ways: company specific risks or market risks. Long-term investors can virtually eliminate exposure to company-specific risk by diversifying among many different securities in the same asset class. Market risk is managed ? but not eliminated ? by holding investments in several different...
- White papers 2003-01-01
- Harry Markowitz: Getting Ready for Recovery
- Harry Markowitz, the father of modern portfolio theory, still thinks you can't time the market though he admits to trying a bit himself recently. His best advice: stay invested and diversified. "You have to be in the market and prepared when the recovery begins," he explains... That's not surprising,...
- Articles 2009-03-09
Additional Resources
- Applying Portfolio Theory to EU Electricity Planning and Policy-Making
- This study presents an effort to apply one of the well-known elements of modern finance theory to the process of evaluating generating technologies and generating portfolios: Mean-Variance Portfolio Theory. The underlying motive for the study is a perception that there has been only limited understanding to date of how improved...
- White papers 2003-02-01
- Mean-Variance Optimization: Modern Portfolio Theory
- This article introduces the concepts of Mean-Variance Optimization MVO and Modern Portfolio Theory MPT in both single and multi-period contexts. It is also intended to help one decide which of the two MVO products, VisualMvo or MvoPlus, should one consider for investments. The fundamental goal of portfolio theory is to...
- White papers 2003-01-01
- Modern Portfolio Theory
- One of the major concepts that most investors should be aware of is the relationship between the risk and the return of a financial asset. It is common knowledge that there is a positive relationship between the risk and the expected return of a financial asset. In other words, when...
- White papers 2003-01-01
- Modern Portfolio Theory - Introduction
- From the executive summary: ‘Modern portfolio theory is the philosophical opposite of traditional stock picking. It is the creation of economists, who try to understand the market as a whole, rather than business analysts, who look for what makes each investment opportunity unique. Investments are described statistically, in terms of...
- White papers 2003-01-01
- Rydex Introduces Essential Portfolio Theory(SM), a Modern Approach to Investing
- Rydex Investments announced today the introduction of Essential Portfolio Theory EPT, an investment approach designed by Rydex to help investment advisors, brokers and investors understand the dynamic nature of modern markets and learn how to potentially increase portfolio diversification and manage risk. EPT advocates expanding traditional stock/bond/cash asset allocation menus...
- Research articles 2005-10-11
- Duo touts 'essential portfolio theory'; They claim that it updates classic Markowitz ideas.(News)
- Byline: Charles Paikert NEW YORK - Investors and advisers need to move beyond modern portfolio theory and embrace more diversification and alternate asset classes, according to Princeton University professor of operations research and financial engineering John Mulvey. ...
- Research articles 2006-01-16
- Modern Portfolio Theory
- This article tells us about Modern Portfolio Theory MPT. Over the following five decades, Markowitz and his followers have contributed enormously to our understanding of the behavior of capital markets and of the nature of risk and its relationship to investment returns. MPT has, in a broad way, allowed us...
- White papers 2002-01-01
- WEIGHTY DECISIONS: Ruling holds portfolio theory as appropriate standard;1999 saw fiduciaries winning investment prudence lawsuits.(Brief Article)
- Several cases addressed the issue of investment prudence in 1999, and fiduciaries won many of them. One of the most significant, overlooked by many, was the 5th U.S. Circuit Court of Appeals decision in Laborers National Pension Fund vs. Northern Trust Quantitative Advisors Inc....
- Research articles 2000-01-24
- Just Concentrate: Does Minding Fewer Stocks Add More Oomph to a Portfolio?
- For the past 20 years, students of stock-market investing have worshipped at the twin altars of modern-portfolio theory and efficient-market theory. The first holds that the more diversified a portfolio, the less the risk from each of its components. The latter posits that active money managers have no more stockpicking...
- White papers 2003-01-01
- Optimum Centralized Portfolio Construction With Decentralized Portfolio Management
- Many financial institutions employ outside portfolio managers to manage part or all of their invest able assets. These institutions include pension funds, private endowments (e.g., colleges and charities), and private trusts. This paper uses the pension fund manager, as the prototype of the centralized decision-maker trying to optimally manage a...
- White papers 2002-10-08
- Accounting for unsystematic risk: diversifying your portfolio is a sound equity investment practice, but that alone is unlikely to maximise your returns. Malcolm Howard offers some other ideas.(TECHNICAL MATTERS)
- According to finance theory, the risk associated with securities can be divided into two categories: systematic market risk and unsystematic (non-market or specific) risk. Unsystematic risk is unique to a security and will often relate to unexpected pieces of good news and bad news relating either...
- Research articles 2006-09-01
- Accounting for unsystematic risk: diversifying your portfolio is a sound equity investment practice, but that alone is unlikely to maximise your returns. Malcolm Howard offers some other ideas
- According to finance theory, the risk associated with securities can be divided into two categories: systematic market risk and unsystematic (non-market or specific) risk. Unsystematic risk is unique to a security and will often relate to unexpected pieces of good news and bad news relating either to the company concerned...
- Research articles 2006-09-01
- Make a date with Markowitz, the big daddy of risk theory.
- Byline: Barrie Dunstan Jul 31, 2005 (The Australian Financial Review - ABIX via COMTEX) -- Harry Markowitz, a pioneer of modern investment theory, will speak in Australia on 11 and 12...
- Research articles 2005-07-31
- Recent Portfolio Theory - Advice in a Multifactor World
- A bewildering array of new portfolio theories confronts the investor as he tries to put together an investment strategy. This article touches on some of the more important studies, and ultimately comes to a number of conclusions that should come as no surprise to index investors. It has been suggested...
- White papers 2000-06-07
- Time Weighted Portfolio Optimization
- In estimating the inputs into the Modern Portfolio Theory MPT portfolio optimization problem, it is usual to use equal weighted historic data. Equal weighting of the data, however, does not take account of the current state of the market. Consequently, this approach is unlikely to perform well in any subsequent...
- White papers 2001-06-01
- Executive Stock and Option Valuation in a Two State-Variable Framework: Allowing Optimal Investment of Outside Wealth in the Risk Free Asset and the Market Portfolio
- This paper provides a two state-variable discrete-time executive option valuation model that allows optimal investment of executive's outside wealth in the risk free asset and the market portfolio. The model adopts outside investment only in the risk free asset. The model is consistent with portfolio theory and the capital asset...
- White papers 2004-09-01
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