One of the most outstanding accomplishments of the economic science over the last decades is the development of a sound and coherent theory of economic growth. Research in growth theory has demonstrated that significant and systematic increases in well-being are attainable whenever the right...

In medieval times, most people identified with religious values and aggregate income and productivity grew at glacier speed. In the 20th century, religion played a much lesser role in daily life and income and productivity grew at high and unprecedented rates. The present paper develops a simple...