1. A hybrid multi-regional input-output model of China: Integrating the physical agricultural biomass and food system into the monetary supply chain
- Author
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Joep F. Schyns, Martin Bruckner, Ranran Wang, La Zhuo, Lan Yang, Quanliang Ye, Han Su, Maarten S. Krol, and Multidisciplinary Water Management
- Subjects
Economics and Econometrics ,China ,105904 Environmental research ,Input–output model ,Computer science ,Supply chain ,Supply-use chain ,401905 Nachwachsende Rohstoffe ,405004 Nachhaltige Landwirtschaft ,107004 Humanökologie ,401905 Renewable resources ,502022 Nachhaltiges Wirtschaften ,Hybrid MRIO model ,405004 Sustainable agriculture ,Product (category theory) ,Waste Management and Disposal ,Uncertainty analysis ,502022 Sustainable economics ,Sustainable development ,502042 Umweltökonomie ,business.industry ,107004 Human ecology ,502042 Environmental economics ,Environmental economics ,Agricultural biomass and food, Supply-use chain, Hybrid MRIO model, Water footprint, China ,Agriculture ,201128 Sustainable building ,Agricultural biomass and food ,Table (database) ,Food systems ,105904 Umweltforschung ,business ,Water footprint ,201128 Nachhaltiges Bauen - Abstract
Lacking systematic supply-use information of agricultural biomass and food products within China makes the existing provincial environmental pressure assessments (e.g., water consumption) either not detailed enough (e. g., by the input-output table-based approach) or not comprehensive enough (e.g., by the process-based approach). This study develops a symmetric inter-provincial multiregional input-output (MRIO) model that hybridizes the physical food and agricultural biomass system with the monetary supply chain of China. First, we construct the inter-provincial supply, use, and input-output tables in physical units of 84 agriculture, food and forestry products. These physical supply/use/MRIO tables systematically capture agrifood product flows, at an unprecedented level of product detail, along domestic supply chains within China. Then we integrate the physical MRIO table of agrifood products into the monetary all-sector MRIO table to construct a symmetric hybrid MRIO table of China. The application of our hybrid MRIO model to the case of provincial blue water footprint assessments reveals that the hybrid model enhances both the monetary MRIO table-based approach and the process-based approach from different aspects. For instance, the hybrid MRIO model can reduce the uncertainty of monetary MRIO modeling due to the aggregation of products with different environmental properties into homogeneous sectors. Lastly, uncertainty analysis is implemented to quantify the main sources of uncertainties, and understand the reliability of our new hybrid MRIO model for future sustainable development design.
- Published
- 2022