Mechanization− the replacement by machines of humans engaged in production tasks− is a continuing process since the Industrial Revolution. As a result, humans have shifted to tasks machines cannot perform efficiently. The general trend until about the 1960s is the shift from manual tasks to...

In the post-WWII era, most developing economies had decent economic growth, but, with current growth trends, the great majority of them are unlikely to transform into developed economies in near future. In these economies, the dual economic structure, the coexistence of the modern/formal sector...

Disparities in economic outcomes among different ethnic, racial, or religious groups continue to be serious concerns in most economies. Relative economic standings of different groups are rather persistent, although some groups initially in disadvantaged positions successfully caught up with...

Many empirical works suggest that education has a positive effect on earnings not only because it raises human capital but also because it functions as a signal when employers have incomplete information on employees' skills. The signaling role could have important consequences on the dynamics...

There are two phenomena widely observed when an economy departs from an underdeveloped state and starts rapid economic growth. One is the shift of production, employment, and consumption from the traditional sector to the modern sector, and the other is a large increase in educational levels of...