As a distinct and well-defined area of academic study, the field of Finance is a relatively young discipline. Once considered a fairly pedestrian backwater within the Economic Sciences, Finance started to come into its own in the early 1950s with the celebrated analyses by Roy and Markowitz of how investors should form optimal security portfolios by minimizing risk subject to a return goal. Of course, the questions addressed by that research were themselves not wholly original, but drew from the centuries-old work of people such as Bernoulli, Pascal, Fermat, and Halley. So, while Finance as its own field of study may indeed be a recent phenomenon, it is also one that rests on a long-standing historical foundation.
In A History of the Theory of Investments, Mark Rubinstein offers the reader an insightful synopsis of how many of the big ideas that define modern financial research—especially in the broad sub-area of investment management—developed over time. Subtitled “My Annotated Bibliography”, the book is just that: namely, it comprises Rubinstein’s summaries, opinions, and syntheses of scores of the most influential publications ever written on this wide-ranging topic. The author is particularly well-qualified to have undertaken such an endeavor; he is himself a very accomplished academic researcher who has contributed significantly to the intellectual development that he chronicles.
These research summaries are organized and presented in chronological order, grouped, in fact, into three eras: Ancient (pre-1950), Classical (1950-1980), and Modern (post-1980). This is an effective choice that makes it easy to appreciate how we have arrived—either by incremental steps or with great leaps in thought—at the main paradigms representing the theory of how to invest our financial capital. It is worth noting, however, that the discourse does have some shortcomings (e.g., several of the discussions are quite demanding from a technical standpoint, the author’s own work is perhaps overrepresented, he seems to be somewhat biased against the value of purely empirical research). Nevertheless, A History of the Theory of Investments is a valuable resource that any serious student of Finance will want to have on his or her shelf.