econorthwest 1 4 25 97 e c o n m i s f a p l g technical memorandum date friday april 1997 to project team peer review panel from carl batten subject derivation of coefficients for tranus social accounting matrix the lies at core activity model is an extended input output table in its upper left hand corner interindustry commonly used analysis additional rows represent primary inputs most important these land use and transportation modeling are building space which allow real estate prices constraints affect location households by income class as they supply labor production process generate work trips columns components final demand household purchase goods services direct requirements traditional each cell contains fixed coefficient representing number dollars worth row sector
