text: This book has been criticized for switching between differential and physiocratic theories of rent.
full_question: This book has been criticized for switching between differential and physiocratic theories of rent. The fourprinciples of a good tax system outlined in this book are proportionality, transparency, convenience, and easyenforceability. This book analyzes the history of the ban on exporting live sheep in its discussion of monopolypower, and it claims that the relationship between income and fertility creates a wage floor that is static in thelong-term in its "subsistence theory of wages." The start of this book contains a description of a factory wherea 2000-fold increase in productivity was achieved by the division of labor. For 10 points, name this 1776 textwhich denounces mercantilism and explains the functioning of the "invisible hand," written by Adam Smith.
first_sentence: This book has been criticized for switching between differential and physiocratic theories of rent.
raw_answer: The Wealth of Nations [or An Inquiry into the Nature and Causes of the Wealth of Nations] 