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| Input-Output Analysis× | Input-Output Structural Decomposition Analysis× | |
|---|---|---|
| Field≠ | Economics | Sustainability |
| Family | Process / pipeline | Process / pipeline |
| Year of origin≠ | 1936 | 1985 |
| Originator≠ | Wassily Leontief | Wassily Leontief, adapted by Rose and others |
| Type≠ | Linear inter-industry accounting and impact model | Decomposition method |
| Seminal source≠ | 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. DOI ↗ | Leontief, W. W. (1951). The Structure of the American Economy. Oxford University Press. link ↗ |
| Aliases≠ | Leontief Model, Inter-Industry Analysis, I-O Analysis, Input-Output Model | SDA, IO-SDA, Structural decomposition |
| Related≠ | 4 | 3 |
| Summary≠ | 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. |
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