"A good portfolio is more than a long list of good stocks and bonds. It is a balanced whole, providing the investor with protections and opportunities with respect to a wide range of contingencies": Harry Markowitz’s Landmark Work Portfolio Selection; Inscribed by Him

  • Portfolio Selection: Efficient Diversification of Investments.

Portfolio Selection: Efficient Diversification of Investments.


Item Number: 74658

New Haven: Yale University Press, 1970.

Second edition of the economist’s work, which revolutionized modern investment theory and practice. Octavo, original blue cloth. Presentation copy, inscribed by the author on the title page, “Dear William Best Wishes Harry Markowitz.” In near fine condition.

"Modern portfolio theory gives a rigorous mathematical justification for the time honored investment maxim that diversification is a sensible strategy for individuals who wish to reduce their risks. Invented in the 1950s by Harry Markowitz in this book, the theory provides a firm foundation for the intuition that you should not put all your eggs in one basket and shows investors how to combine securities to minimize risk" (Burton G. Malkiel).

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