Introduction The Indonesian Crude Palm Oil Industry Market Power Models: A Review Modelling Market Power in the Indonesian Palm Oil Industry Data, Estimation and Results

viii Table of Contents Declaration ii Abstract iii Acknowledgement vi Table of Contents viii List of Tables xi List of Figures xii

Chapter 1 Introduction

1

1.1 Basic research questions

3 1.2 Objectives of the study 4

1.3 Methods and data

4 1.4 Organisation of the study 5

Chapter 2 The Indonesian Crude Palm Oil Industry

8

2.1 The importance of the Indonesian crude palm oil industry

9 2.2 Features of the industry 12

2.2.1 The production pattern and homogeneity of the product

12 2.2.2 The strategic groups 16

2.2.3 Government intervention

18 2.3 Possible sources of market power 25

2.3.1 The requirement of high investment and market share

25 2.3.2 Vertical integration 29

2.4 Concluding comments

31 Universitas Sumatera Utara ix

Chapter 3 Market Power Models: A Review

32

3.1 Market power

32 3.2 Structure–conduct–performance approach 33

3.3 New empirical industrial organization approach

36 3.3.1 Static models 36

3.3.2 Dynamic models

52 3.4 Concluding comments 58

Chapter 4 Modelling Market Power in the Indonesian Palm Oil Industry

60

4.1 Theoretical model

60 4.2 Empirical model 66

4.3 Estimation method

74 4.4 Types of interaction 83 4.5 Concluding comments 87 Appendix 4 Appendix 4.1 The derivation of the optimal control function 88 Appendix 4.2 The solution for the Markovian strategy 90 Appendix 4.3 Asymmetric condition in the duopoly model 93 Appendix 4.4 Stability condition in an asymmetric duopoly case 94 Appendix 4.5 The range of ij G and ij v in static model 95 Appendix 4.6 G matrix and ij v in the asymmetric open–loop solution 97

Chapter 5 Data, Estimation and Results

102

5.1 Data

102 5.2 Demand equation and adjustment system 105

5.3 Monte Carlo numerical integration

112 Universitas Sumatera Utara x 5.4 Adjustment cost parameter, market power index and type of competition 116 5.5 Welfare analysis 122 5.5 Concluding comments 124 Appendix 5 Appendix 5.1 Research data 123 Appendix 5.2 Estimation result for the demand equation 126 Appendix 5.3 Estimation result for the adjustment system 127

Chapter 6 Policy Implications and Conclusions