doe eia m066 97 model documentation report commercial sector demand module of the national energy modeling system january 1997 office integrated analysis and forecasting information administration us department washington dc update this updated version nems includes changes made to for production annual outlook released printing g27g50g47g54g49g5bg02g2bg50g48g51g54g4fg43g56g4bg51g50g02g23g46g4fg4bg50g4bg55g56g54g43g56g4bg51g50 g30g27g2fg35g02g25g51g4fg4fg47g54g45g4bg43g4eg02g26g47g4fg43g50g46g02g2fg51g46g57g4eg47g02g26g51g45g57g4fg47g50g56g43g56g4bg51g50g02g34g47g52g51g54g56 i contents 1 introduction purpose summary organization 2 4 objectives input output 5 relationship other modules 9 3 rationale 12 theoretical approach fundamental assumptions 13 alternative approaches 14 structure 40 key computations equations 55 appendices a data variable descriptions b mathematical description c references d abstract e quality f sensitivities g updates aeo g30g27g2fg35g02g25g51g4fg4fg47g54g45g4bg43g4eg02g26g47g4fg43g50g46g02g2fg51g46g57g4eg47g02g26g51g45g57g4fg47g50g56g43g56g4bg51g50g02g34g47g52g51g54g56ii tables figures table dimensions spanned by variables 8 beem models conceptual tasks 16 commend