doe eia m065 2003 model documentation report macroeconomic activity module mam of the national energy modeling system february office integrated analysis and forecasting information administration us department washington dc nems ii table contents part a structural models underlying 1 overview 2 global insight economy 3 industry 14 4 employment 19 5 regional 23 6 commercial floorspace 27 b interface with 7 simulations 31 8 operation within 46 appendix a1 input output b1 iii detail personal consumption variables a2 key business investment a3 residential a4 federal government expenditure a5 state & local a6 components income a7