The International Input-Output Association (IIOA) is a scientific non-profit membership organization founded in 1988. Its objective is the advancement of knowledge in the field of input-output analysis, including improvements in basic data, theoretical insights and modeling, and applications, both traditional and novel, of input-output techniques. This includes the use of input-output techniques in such areas as energy, environment, international trade, financial flows, as well as price and general equilibrium analysis.

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