814
（a）X2为新车消费价格指数，而X3为城市居民消费者价格指数。如果两者之间服从一种领先滞后机制，则两者可能就不是同步变动的。（b）其反映了劳动力市场的就业情况。在其他条件保持不变的前提下，就业水平越高，对汽车的需求量越大。（c）本例题为双对数模型，因此偏回归系数代表被解释变量对解释变量的偏弹性系数。（d）Depe
de
tVariableYMethodLeastSquaresDate111317Time2213Sample19711986I
cludedobservatio
s16
VariableCX2X3X4X5X6RsquaredAdjustedRsquaredSEofregressio
SumsquaredresidLoglikelihoodFstatisticProbFstatistic
Coefficie
t79380219285355716643025841302319960000212004862340229351102152510435124129807818928210182652
StdError436169685501384593902290877015072210012961
tStatistic181993910859891559987088839315392300163564
Prob009880303001498039520154808733100051311636451697598172657016990811705780
Mea
depe
de
tvarSDdepe
de
tvarAkaikei
focriterio
Schwarzcriterio
Ha
a
Qui
criterDurbi
Watso
stat
815
816
f817
818
819
ffr