Dissertation Modelling Emission Allowance Prices Wen, Ya born in Beijing Faculty of Economics and Business Administration University of Duisburg-Essen A thesis submitted for the degree of doctor rerum politicarum (Dr. rer. pol.) April 2017 1. Supervisor: Prof. Dr. Ru¨diger Kiesel 2. Supervisor: Prof. Dr. Christoph Weber Day of the defense: 26.06.2017 ii Acknowledgements First and foremost I would like to express my special appreciation and thanks to my supervisor Prof. Dr. Ru¨diger Kiesel for offer- ing me the opportunity to complete this thesis and for his continu- ous support of my Ph.D study and related research in the chair of Energy Trading and Finance at the University of Duisburg-Essen. I am very grateful for his patience, motivation, enthusiasm, and im- mense knowledge, which make him a great mentor. Moreover, I would like to thank Prof. Dr. Christoph Weber for being my co-examiner. I also thank my colleagues in the chair for a positive working atmo- sphere. And finally, thanks to my family for supporting me spiri- tually throughout writing this thesis. ii Contents List of Figures vii List of Tables ix Abbreviation xi 1 Introduction 1 1.1 Background of Climate Change and Emission Trading . . . . . . 1 1.2 Motivation of the Thesis . . . . . . . . . . . . . . . . . . . . . . . 5 1.3 Contribution and Structure of the Thesis . . . . . . . . . . . . . 6 2 Regulatory Framework 9 2.1 International Agreement on Climate Change . . . . . . . . . . . . 9 2.1.1 UNFCCC and IPCC . . . . . . . . . . . . . . . . . . . . . 9 2.1.2 History of COP and its achievements . . . . . . . . . . . . 11 2.2 Kyoto Protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 2.2.1 Essential background . . . . . . . . . . . . . . . . . . . . . 16 2.2.2 Participants . . . . . . . . . . . . . . . . . . . . . . . . . . 17 2.2.3 Target of Kyoto Protocol . . . . . . . . . . . . . . . . . . 20 2.2.4 Mechanism . . . . . . . . . . . . . . . . . . . . . . . . . . 25 2.2.5 Compliance . . . . . . . . . . . . . . . . . . . . . . . . . . 26 2.2.6 Ratification of Kyoto Protocol . . . . . . . . . . . . . . . 31 2.2.7 Doha Amendment and second commitment period . . . . 33 2.3 COP 21 and Paris Agreement . . . . . . . . . . . . . . . . . . . . 36 2.3.1 Aims and NDCs . . . . . . . . . . . . . . . . . . . . . . . 36 2.3.2 Main features of Paris Agreement. . . . . . . . . . . . . . 38 2.3.3 Criticism and outlook . . . . . . . . . . . . . . . . . . . . 41 iii CONTENTS 3 European Union Emission Trading Scheme 45 3.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 3.1.1 Choosing the right mechanism . . . . . . . . . . . . . . . 45 3.1.2 Compliance periods . . . . . . . . . . . . . . . . . . . . . 47 3.1.3 Objective of the system . . . . . . . . . . . . . . . . . . . 49 3.1.4 Other main features . . . . . . . . . . . . . . . . . . . . . 50 3.1.5 Registry, MRV and compliance . . . . . . . . . . . . . . . 51 3.2 Allocation of Allowances . . . . . . . . . . . . . . . . . . . . . . . 57 3.2.1 Emissions cap . . . . . . . . . . . . . . . . . . . . . . . . . 57 3.2.2 Free allocation of allowances . . . . . . . . . . . . . . . . 59 3.2.3 Auction . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64 3.3 Trading Permits and Price Behavior . . . . . . . . . . . . . . . . 68 3.3.1 European Union Allowances . . . . . . . . . . . . . . . . . 68 3.3.2 International credits . . . . . . . . . . . . . . . . . . . . . 69 3.3.3 Price behavior . . . . . . . . . . . . . . . . . . . . . . . . 72 3.4 Reform of EU ETS and Outlook . . . . . . . . . . . . . . . . . . 76 3.4.1 Structure reform in phase 3 . . . . . . . . . . . . . . . . . 77 3.4.2 Outlook for post 2020 phase . . . . . . . . . . . . . . . . . 79 4 Financial Modelling of EU ETS and its Derivative 81 4.1 Background and Introduction . . . . . . . . . . . . . . . . . . . . 81 4.2 Univariate EUA Pricing Model and Parameter Estimation . . . . 85 4.2.1 Univariate model . . . . . . . . . . . . . . . . . . . . . . . 85 4.2.2 Estimation . . . . . . . . . . . . . . . . . . . . . . . . . . 91 4.3 Bivariate Pricing Model for EUA . . . . . . . . . . . . . . . . . . 97 4.3.1 Model description . . . . . . . . . . . . . . . . . . . . . . 97 4.3.2 Calibration to historical data . . . . . . . . . . . . . . . . 100 4.4 Option Pricing and Market Forward Looking Information . . . . 105 4.5 Further Discussion on Modelling EUA Prices . . . . . . . . . . . 108 4.5.1 Introduction of pricing theory . . . . . . . . . . . . . . . . 108 4.5.2 Choosing appropriate cumulative emission process . . . . 110 5 Linking Systems and Effect of Carbon Prices 115 5.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115 5.2 Model of Bilateral Systems . . . . . . . . . . . . . . . . . . . . . 117 5.2.1 Model description . . . . . . . . . . . . . . . . . . . . . . 117 iv CONTENTS 5.2.2 Model results . . . . . . . . . . . . . . . . . . . . . . . . . 119 5.3 Model of Unilateral Systems . . . . . . . . . . . . . . . . . . . . . 124 5.3.1 Model description . . . . . . . . . . . . . . . . . . . . . . 124 5.3.2 Model results . . . . . . . . . . . . . . . . . . . . . . . . . 125 5.4 International Background and Outlook . . . . . . . . . . . . . . . 127 6 Conclusion 131 6.1 Results of the thesis . . . . . . . . . . . . . . . . . . . . . . . . . 131 6.2 Key findings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133 6.3 Further research . . . . . . . . . . . . . . . . . . . . . . . . . . . 134 Bibliography 135 v CONTENTS vi List of Figures 1.1 Types of environmental policy instruments and their applications 4 1.2 Structure of the thesis . . . . . . . . . . . . . . . . . . . . . . . . 8 2.1 Burden Sharing targets for EU-15 countries to Kyoto Protocol . 25 2.2 NDC and global stocktaking mechanism . . . . . . . . . . . . . . 40 3.1 Emission reduction targets of EU’s 2020 package for ETS and non-ETS sectors . . . . . . . . . . . . . . . . . . . . . . . . . . . 49 3.2 Emission reduction targets of EU’s 2030 framework for ETS and non-ETS sectors . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 3.3 The chronological EU ETS compliance cycle . . . . . . . . . . . . 55 3.4 Cap of phase 3 in stationary installations and the aviation sector 59 3.5 Estimated amount of allowances to be auctioned in phase 3 . . . 67 3.6 Trading volume of EUAs from 2005 to 2015 . . . . . . . . . . . . 70 3.7 Share of traded volume of exchanges in 2013. . . . . . . . . . . . 73 3.8 Share of traded volume in Mt. of 2012 (inner ring) and 2013 (outer ring) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74 3.9 EUA front year futures contract prices and traded volume . . . . 75 4.1 HistoricalpricesoftheEUAfutureswithmaturitiesinDecember from 2005 to 2012 . . . . . . . . . . . . . . . . . . . . . . . . . . 92 4.2 Statistical analysis of EUA 07, time period 05-06 and 06-07. . . . 95 4.3 Statistical analysis of EUA 12, time period 05-06 and 06-07. . . . 95 4.4 Statistical analysis of EUA 12, time period 07-08 and 08-09. . . . 95 4.5 Statistical analysis of EUA 12, time period 09-10 and 10-11. . . . 96 4.6 Statistical analysis of EUA 12, time period 11-12. . . . . . . . . . 96 4.7 MPR, futures price and price transformation from 01.2007 to 12.2012. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103 vii LIST OF FIGURES 4.8 Negative correlation of MPR and price transformation. . . . . . . 104 4.9 Statistical tests for the residuals. . . . . . . . . . . . . . . . . . . 105 4.10 Futures price and call option prices with K = 15 from 2005 to 2012. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106 4.11 Call option prices comparison for durations of 1, 3, 6, 12 months on EUA 2012 for different strikes. . . . . . . . . . . . . . . . . . . 107 5.1 Price convergence behavior in a bilateral linking system . . . . . 123 5.2 Price convergence behavior in a unilateral linking system . . . . 127 viii
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