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Input–output models for different regions can also be linked together to investigate the effects of inter-regional trade, and additional columns can be added to the table to perform environmentally extended input–output analysis (EEIOA).
The International Input–Output Association (IIOA) is a scientific, nonprofit, membership organization to facilitate development of input–output analysis in economics and interdisciplinary areas of inquiry. Input–output models and analysis in economics were developed by Nobel Laureate Wassily Leontief. Leontief worked from transactions ...
Analysis of the global production networks relies on the use of the input-output tables that links firms through the transactions involved in the product creation. Commodity chain literature considers firms as the nodes in a number of chains that transform inputs into outputs through a series of interconnected stages of production, later linked ...
Here represents the square matrix of input coefficients, denotes releases (such as emissions or waste) per unit of output or the intervention matrix, stands for the vector of final demand (or functional unit), is the identity matrix, and represents the resulting releases (For further details, refer to the input-output model).
This formula is the core of environmentally extended input-output analysis: The final demand vector y can be split up into a domestic and a foreign (exports) component, which makes it possible to calculate the material inputs associated with each. The matrix F integrates material (factor) flow data into input-output analysis. It allows us to ...
The Hawkins–Simon condition refers to a result in mathematical economics, attributed to David Hawkins and Herbert A. Simon, [1] that guarantees the existence of a non-negative output vector that solves the equilibrium relation in the input–output model where demand equals supply.
EIO works as follows: If represents the amount that sector purchased from sector in a given year and is the "final demand" for output from sector (i.e., the amount of output purchased for consumption, as opposed to purchased by other businesses as supplies for more production), then the total output from sector includes output to consumers plus ...
The input–process–output model. The input–process–output (IPO) model, or input-process-output pattern, is a widely used approach in systems analysis and software engineering for describing the structure of an information processing program or other process.