Adam Smith’s “The Wealth of Nations” gives an in-depth discussion of different economic principles like the productivity, division of labor and free markets. Although written and published more than 200 years ago, it’s still hailed as one of the most original works in the field of economics and is still used as a reference by many modern economists. “An Inquiry Into the Nature and Causes of the Wealth of Nations” is the complete title of this book and it was first published in 1776, the same year that the American colonies declared their independence from Britain...