Rec. ITU-T L.1451 (11/2019) Methodology for assessing the aggregated positive sector-level impacts of ICT in other sectors Summary History FOREWORD Table of Contents Introduction 1 Scope 2 References 3 Definitions 3.1 Terms defined elsewhere 3.2 Terms defined in this Recommendation 4 Abbreviations and acronyms 5 Conventions 6 General principles 7 Evaluation procedure 8 Setting evaluation conditions 9 Constructing a CGE model 9.1 Basic CGE model 9.1.1 Structure of the basic CGE model 9.1.2 Production activity, goods and services dealt with in the basic CGE model 9.1.3 Production sector 9.1.4 Final demand sector 9.2 Advanced CGE model for evaluating environmental effects of ICT use 10 Data collection 11 Calculation of GHG emissions and GDP by CGE model 12 Reporting 12.1 Preconditions 12.2 Output and analysis Appendix I Framework for quantifying IT solutions' contributions to CO2 emissions suppression – Umbrella method for calculation and aggregation I.1 Background I.2 Overview I.3 Framework for the quantification of CO2 emissions suppression amounts I.4 Simplified solution-specific coefficients for calculating CO2 emissions suppression amounts I.5 Calculation levels and aggregation levels I.6 Line of thinking behind the framework for the quantification of CO2 emissions suppression amounts I.7 Overview of the simplified calculation coefficient I.8 Results of simplified calculation coefficient derivation I.9 Calculation procedures (choosing the appropriate method of calculation) I.10 Calculation procedure using simplified calculation coefficients I.11 Specific aggregation procedures Appendix II Examples for using the CGE model II.1 Example for the activities, goods and services dealt with in the basic CGE model II.2 Example of setting the effects of using ICT II.3 Example of conversion method on coefficients input to CGE model to express effects of ICT use Appendix III Other aspects of aggregated positive ICT impact assessments Bibliography