Revenue Rise with Loans

Mean–variance analysis, made popular by Markowitz and Sharpe, has been the basis for the process of portfolio optimization since the 1990s. Yet, the method itself suffers from various pitfalls. Among others it ignores deviations of the return distributions from normality. The asymmetric risk profile of corporate bonds and the illiquidity of certain segments of the [...]

Generally, in growing economies the nominal level of debt rises over the years. This is mostly because of inflation and a steady growth in balance sheets. The long-term upward trend has accelerated sharply since 1980, coinciding with the sustained fall in short- and long-term interest rates and inflation rates. Since then, the steadily falling level [...]