Gresham's law is a work that examines this problem in more detail. Some also use an explanation of Gresham's Law as "The more efficient you become, the less effective you get"; i.e. "when you try to go on the cheap, you will stop selling" or "the less you invest in your non-tangible services, the fewer sales you will get." Vice President Spiro Agnew used Gresham's law in describing American news media, stating that "Bad news drives out good news," although his argument was closer to that of a race to the bottom for higher ratings rather than over and undervaluing certain kinds
Economic bubble Ponzi schemes can lead to an increasingly fragile economy, and may also be part of what pushes asset prices artificially upward until the bubble pops. Simply put, economic bubbles often occur when too much money is chasing too few assets, causing both good assets and bad assets to appreciate excessively beyond their fundamentals to an unsustainable level. Once the bubble bursts, the fall in prices causes the collapse of unsustainable investment schemes (especially speculative and/or Ponzi investments, but not exclusively so), which leads to a crisis of consumer (and investor) confidence that may result in a financial panic and/or financial