Phillip Nelson has specialized in two fields. The first is information economics in which he has produced seminal work in consumer economics. The second is public choice in which he has written many articles and the book, ?Signaling Goodness.? This book melds these two fields producing new insights about voter information problems. He has spent a lifetime teaching graduate courses in these specialties and microeconomics theory at Binghamton University, Columbia University, and the University of Chicago.