Game theory in the morning—we're going over normal forms, Nash equilibria, etc—and then regression in the afternoon. In between, I went to a talk on a working paper (authored by my stats prof and a senior student). It was pretty interesting, but I was the only first-year to attend. Regression was very helpful today; it really clarified some things for me. After class, we went over our problem set that is due on Friday. I then headed home to work on that for the rest of the night.