1 INTRODUCTION

2 THE DATASETS

2.1 The eBOSS DR16 LRG and ELG samples

2.2 The simulated mock samples

3 METHODOLOGY

3.1 The multi-tracer method

3.2 The effective redshifts

3.3 The time dependence of the BAO and RSD parameters

3.4 Measuring the auto and cross power spectrum multipoles

3.5 The chained power spectrum multipoles

3.6 The power spectrum template

3.7 The Alcock-Paczynski effect

3.8 The survey window function

3.9 The radial integral constraint

3.10 Parameter estimation

4 RESULTS

4.1 The power spectrum multipoles

4.2 Demonstration using the EZmocks

4.3 Measurements from the DR16 sample

5 CONCLUSION AND DISCUSSIONS