In recent years the field of finance has exploded with innovation. New products, services and techniques abound. The risks of inflation, the volatility of interest rates, the deregulation of financial intermediaries and the unbundling of financial services have combined to present investment managers with challenges and opportunities far greater than in the past. For trustees and managers of pension, trust, endowment, and similar funds, the task of meeting the challenges and exploiting the opportunities is much more difficult. These fiduciaries must measure their investment decisions against...