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Research Objectives

S-8-1(9) Research on the structure of benefits and burdens of climate change adaptation policies by region and sector

 Meijo University

  The final objective of this research is to advance top-down nationwide impact assessments in relation to climate change itself as well as climate change measures (mitigation policies, adaptation policies) using a dynamic and spatial computable general equilibrium (DSCGE) model.

① Refinement of climate change damage assessment
  From the results of existing research, the levels of physical impacts (scale/frequency/probability of occurrence) of climate change in each sector and monetary assessments will be extracted and systematized. In the case of sectors lacking such information, climate change damage assessments will be refined complemented by investigations and analyses based on the contingent valuation method (CVM), the travel cost method (TCM), etc. The results will be provided to other S-8 sectors to study their validity. Additional improvement of the results will be aimed at by correcting any inadequacies. This process will be repeated with the objective of further refining the results.

② Development of climate change damage functions
  By formularizing individual utility functions and corporate production functions with the factor of the levels of physical impacts of climate change in each sector, climate change damage functions will be developed and the parameters of the relevant functions will be estimated. Moreover, by expanding the relevant functions in the framework of general market equilibrium conditions, a breakdown of climate change damage costs will be obtained. The results will be provided to other S-8 sectors to study their validity. Additional improvement of the results will be aimed at by correcting any inadequacies. This process will be repeated with the objective of further refining the results.

③ Development of spatial computable general equilibrium model
  Interregional trade will be estimated based on the 2005 Intra-Regional Input-Output Tables prepared by the survey method, and Inter-Regional Input-Output Tables will be prepared using the non-survey method as well. A static and spatial computable general equilibrium (SSCGE) model will be constructed by formularizing the behaviors of households, companies, and administrative authorities. Trial policy simulations will also be conducted. The constructed SSCGE model will be made dynamic to construct a dynamic and spatial computable general equilibrium (DSCGE) model. Policy simulations will be conducted using the DSCGE model, and final benefit incidence by age, region, and sector will be calculated. The results will be compiled in a benefit incidence table (BIT) and the structure of benefits and burdens of climate change adaptation policies by age, region, and sector will be clarified.

④ Formulation of alternative proposals for climate change adaptation policies
  Various alternative proposals for climate change adaptation policies will be formulated from the standpoints of both technical measures (development of disaster prevention-related social infrastructure, etc.) and institutional measures (application of disaster insurance, etc.), and through comparisons and investigations, effective alternative proposals will be established. Moreover, the policy simulations carried out in research topic ○3 will be monitored and the findings will be systematized. The results will be provided to other S-8 sectors to study their validity. Additional enhancement of the results will be aimed at by correcting any inadequacies. This process will be repeated with the objective of further refining the results. In particular, desirable policies will be assessed from the standpoints of efficiency and equity.

 

Group members (*: Leader)
 
Refinement of climate change damage assessment
Name
Affiliation
* Eiji Ohno Faculty of Urban Science, Meijo University
Masafumi Morisugi Faculty of Urban Science, Meijo University
Development of climate change damage functions
Name
Affiliation
Naoki Sakamoto Faculty of Policy Management, Tohoku Bunka Gakuen University
Development of spatial computable general equilibrium model
Name
Affiliation
Kazunori Nakajima School of Human Science and Environment, University of Hyogo
Formulation of alternative proposals for climate change adaptation policies
Name
Affiliation
Hisayoshi Morisugi Japan Research Institute

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【Theme 1】
Research on highly reliable quantitative assessment of climate change impacts throughout Japan
S-8-1(1) Research on climate change impact assessment using an integrated assessment model and adaptation policies
S-8-1(2) Development of a climate change downscaler and its practical implementation
S-8-1(3) Research on assessment of climate change impacts on water resources and adaptation measures
S-8-1(4) Estimation of coastal disaster risks and development of nationwide risk maps
S-8-1(5) Quantitative assessment of impacts of climate change on natural vegetation in East Asia including Japan
S-8-1(6) Regional assessment of climate change impacts and adaptation measures in agriculture and food production
S-8-1(7) Impacts of climate change on human health – Refinement of assessment methods and creation of measures -
S-8-1(8) Research on assessment of climate change impacts on vector-borne infectious diseases and adaptation policies
S-8-1(9) Research on the structure of benefits and burdens of climate change adaptation policies by region and sector
【Theme2】
Research on impact assessment and comprehensive adaptation policies at the local government level
S-8-2(1) Research on comprehensive assessment of climate change impacts and adaptation policies in local communities
S-8-2(2) Research on adaptation measures for water-related and landslide disasters in Kyushu as a region of advancing subtropical climate
【Theme3】
Research on indexes of vulnerability and adaptation effects in the Asia-Pacific region
S-8-3 Research on indexes of vulnerability and adaptation effects in the Asia-Pacific region

NIES