Documenta 14 Athens, Greece Opens April 8 Kassel, Germany Opens June 10 You need two lenses to look at the world’s most important art exhibition: one focused on the long term and the other on the short term, one on history and one on economics.

Ever the bargain hunter, Walter Benjamin wrote from firsthand when he published his seminal essay on works of art and mechanical reproduction. Back in 1914, some 22 years before he wrote his treatise, Benjamin informed a friend that “I recently bought a very beautiful reproduction of a Rodin watercolor,” at the excellent price of one mark.