Input-Output Model Documentation (I-O)
Updated over a week ago

Lightcast has produced two technical documents that walk through how we construct our input-output (I-O) model. Both are intended for readers with considerable familiarity with I-O theory who are looking for an understanding of our specific method.

In Lightcast I-O Model Documentation: Establishing the NAICS 6-digit US Base Model, we detail the features of our model and pay particular attention to the expanded US national I-O technology matrix that covers each of the roughly 1,000 NAICS 6-digit industry classification codes—a feature unique to the Lightcast I-O model. Download this file.

In Lightcast Multi-Regional Social Accounting Matrix (MR-SAM) Modeling System, we present details on the social accounting matrix (SAM) model we developed in 2012 to take the place of our previous input-output model. Download this file.

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