TABLE 2 One-Way SUR Model for Per Capita Retail Sales,,,,
,Initial specification,,Final specification,
,Coefficient,t-stat,Coefficient,t-stat
CONSTANT,5.48E+05,8.15,5.34E+05,8.92
STATE SALES PERCAP,1.46E+00,5.18,1.52E+00,5.76
YEAR,–2.85E+02,–8.05,–2.78E+02,–8.80
ELDERLY,1.58E+02,2.85,1.09E+02,2.32
UNEMP RATE,1.74E+02,2.12,1.21E+02,1.74
INCOME PERCAP,6.94E–01,5.19,6.49E–01,5.13
LARGECITY POP/DIST,1.18E–01,3.15,1.14E–01,3.26
TOT TRAFFIC PERCAP,2.77E+03,12.10,2.80E+03,12.58
RELIEF ROUTE,5.04E+03,1.85,5.35E+03,4.67
NUM YEARS ,4.23E+01,0.32,,
NUM YEARS SQ,–3.94E+00,–0.75,,
TRAFFIC SPLIT,–1.76E+04,–6.11,–1.72E+04,–7.34
DIST OLD,2.15E+02,0.92,,
DIST RATIO,–7.03E+02,–0.27,,
ACCESS CONTROL,2.55E+02,0.30,,
R2adj.,0.59,,0.59,
s2m,3.31E+06,,3.64E+06,
s2n,5.58E+06,,5.47E+06,