William Sharpe, Harry Markowitz and Merton Miller are the three economists who shared a Nobel prize in 1990 for their pioneering work in the theory of financial economics.
Harry Markowitz was awarded the Prize for developing the theory of portfolio
choice; William Sharpe, for his contributions to the theory of price formation for financial assets, the so-called, Capital Asset Pricing Model (CAPM); and Merton Miller, for his fundamental contributions to the theory of corporate finance.
According to Markowitz, the process of selecting a portfolio may be divided into two stages. The first sta…
