In recent years, a growing body of economic literature has focused on the phenomenon of the so-called middle-income trap (MIT). The term usually refers to countries that have experienced rapid growth and thus quickly reached middle-income status, but then failed to overcome that income range to...

The theory of economic development was an exception to Paul Samuelson's claim of being a "generalist" in economics. It was a hard subject to tackle analytically because of the intrinsic difficulty of some of the concepts involved, such as increasing returns and long-term economic evolution....