Assorted links by Tyler Cowen February 12, 2014 at 12:13 pm 1. Signaling, part I, and signaling part II. And reminiscences of former heroin users. 2. Arthur Chu on the science of winning Jeopardy. 3. Janet Yellen’s best paper. 4. Predicting medals at the Winter Olympics. 5. Which out of print books do people search for the most? 6. You, Sir, are a fish face. And some species of crocodiles can climb trees. And my instinct is always to side with Robert Trivers.