1. INTRODUCTION

2. DATA

3. DETERMINING THE EDDINGTON RATIO DISTRIBUTION: OBSERVED SDSS GALAXIES

4. SIMULATING THE GALAXY AND AGN POPULATION

5. DETERMINING THE EDDINGTON RATIO DISTRIBUTION: SIMULATED SDSS GALAXIES

6. A NEW METHOD FOR DETERMINING THE AGN CONTRIBUTION BY POSITION ON THE BPT DIAGRAM

7. DISCUSSION AND SUMMARY