1. INTRODUCTION  
2. DATA  
2.1. The Sloan Digital Sky Survey  
2.2. Quasar Samples  
3. TECHNIQUES  
3.1. Estimating the 2-Point Quasar Correlation Function  
3.2. Construction of the Random Catalogue  
3.3. Errors and Covariances  
4. RESULTS  
4.1. SDSS Quasar Redshift-Space Two-Point Correlation Function  
4.2. SDSS Quasar 2-D 2-Point Correlation Function  
4.3. SDSS Quasar Projected 2-Point Correlation Function  
5. EVOLUTION OF GALAXY, AGN AND QUASAR CLUSTERING  
5.1. The Redshift-Space Evolution  
5.2. The Real-Space Evolution  
5.3. Evolution of Bias  
5.4. Models of Bias and Dark Matter Halo Mass Estimation  
6. CONCLUSIONS