The popular new economy theory argues that the U.S. economy can now grow at rates much greater than in the past without igniting higher levels of price inflation. At the core of the new economy paradigm is the belief that the U.S. Economy experienced an innovation in the 1990s that raised its...

"We study how competition from privately supplied currency substitutes affects monetary equilibria. Whenever currency is inefficiently provided, inside money competition plays a disciplinary role by providing an upper bound on equilibrium inflation rates. Furthermore, if Furthermore, if 'inside...