Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Gordon Scott has been an active investor and ...

Learn how Harry Markowitz's Modern Portfolio Theory transformed investment strategies by focusing on diversified portfolios ...

The efficient frontier is defined as the set of portfolios which maximizes expected return for a given level of risk. The theory was developed by Nobel laureate and economist, Harry Markowitz, and has ...

With the publication of his simply titled dissertation, "Portfolio Selection," 55 years ago, Harry Markowitz, a doctoral candidate in economics at the University of Chicago, presented the investment ...