Introduction
The ever changing figures for U.S. national debt and largest budget items (such as Medicare (Medicaid), social security, defense (wars), presented at the website U.S. National Debt Clock, tend to grow far quicker than the figures for the U.S. federal tax and other types of revenue (U.S. National Debt Clock, 2013). Over the period between 2011 and 2013 debt-ceiling crisis reasons for the U.S. total debt appearance and growth, and the ways, which can be employed to reduce the debt, have continuously become key topics for active political discourse. This issue has become even more topical since recent U.S. ...