Capital in the Twenty-First Century (French: Le Capital au XXIe siècle) is a book written by French economist Thomas Piketty. It focuses on wealth and income inequality in Europe and the United States since the 18th century. It was first published in French (as Le Capital au XXIe siècle) in August 2013; an English translation by Arthur Goldhammer followed in April 2014.[1] The book's central thesi