In our third text published in partnership with Public Books, Ulrike Stein shows how the vivid empirical material and proposals for reform provided by Thomas Piketty’s book Capital in the Twenty-First Century bring new grist to the inequality debate in Germany. The “Piketty effect” is visible in many areas even before the release of the German edition, and both supporters and opponents of his work seize the opportunity to publicize their arguments on the subject of inequality.