THE IMPACT OF LEGAL CHALLENGES TO AFFIRMATIVE ACTION ON EDUCATIONAL CHOICE by Rodney J. Andrews A dissertation submitted in partial fulfillment of the requirements for the degree of Doctor of Philosophy (Economics) in The University of Michigan 2007 Doctoral Committee: Professor Kerwin K. Charles, Co-Chair Professor Sheldon H. Danziger, Co-Chair Professor Charles C. Brown Professor Paul N. Courant Professor John E. DiNardo