手法を比較

	Input-Output Analysis	産業連関構造分解分析
分野	経済学	持続可能性
系統	Process / pipeline	Process / pipeline
提唱年	1936	1985
提唱者	Wassily Leontief	Wassily Leontief, adapted by Rose and others
種類	Linear inter-industry accounting and impact model	Decomposition method
原典	Leontief, W. W. (1936). Quantitative input and output relations in the economic system of the United States. The Review of Economics and Statistics, 18(3), 105–125.	Leontief, W. W. (1951). The Structure of the American Economy. Oxford University Press.
別名	Leontief Model, Inter-Industry Analysis, I-O Analysis, Input-Output Model	SDA, IO-SDA, Structural decomposition
関連	4	3
概要	Input-output analysis is a quantitative framework for representing the interdependence between the industries of an economy, introduced by Wassily Leontief in 1936. It records the flows of goods and services between sectors in a transactions table, derives fixed technical coefficients describing how much each industry buys from every other industry per unit of output, and inverts the resulting linear system to trace how an exogenous change in final demand ripples through the entire production structure.	Input-Output Structural Decomposition Analysis (IO-SDA) is an economic-environmental accounting method rooted in Wassily Leontief's input-output framework. It decomposes changes in economic activity and associated environmental impacts (emissions, resource use) over time into components reflecting technological change, demand shifts, and structural economic reorganization. Rose, Chen, and others formalized SDA in the 1980s–1990s for sustainability analysis.