David Warsh reports: "Emmanuel Farhi, 41, of Harvard University, died last week, apparently by his own hand. It was the fourth such death of a prominent economist in a year, following those of Martin Weitzman, also of Harvard; Alan Krueger, of Princeton University; and William Sa

David Warsh reports: "Emmanuel Farhi, 41, of Harvard University, died last week, apparently by his own hand. It was the fourth such death of a prominent economist in a year, following those of Martin Weitzman, also of Harvard; Alan Krueger, of Princeton University; and William Sandholm, of the University of Wisconsin at Madison." What happens to Economics profession?