The relative fragility of the U.S. banking sector, a direct result of the restrictions, led to the creation of government safety nets, such as the Federal Reserve and the Federal Deposit Insurance Corporation. Countries that have avoided these types of restrictions on geographical and product diversity, such as Australia and Canada, have exhibited greater stability; they adopted government safety nets for their banking systems much later, if at all. Moreover, entry barriers have created economic rents or excess profits (a point that politicians have not ignored). A significant portion of modern banking regulation involves the redistribution of those excess profits, though, of course, the amount is difficult to measure. We are quickly reaching—and may have already passed—the point at which the redistribution of rents and the costs of other regulations outweigh the benefits that banks receive from both the safety net and entry barriers.
Any credible attempt to reform our system of banking regulation must address all these factors. A free, competitive, and healthy banking system is one with few barriers to entry, no government safety net, and no redistribution of wealth or income. As long as government safety nets are extensive, the resulting moral hazard will necessitate prudential regulation. Since prudential regulation is inferior to market discipline, an extensive bank safety net almost certainly will lead to a financial crisis.