,Model 1,Model 2,Model 3
Constant,30.628***,6.360***,28.566***
,(7.409),(1.252),(7.355)
Percentage of population under 15,-0.471**,,-0.461**
,(0.147),,(0.145)
Percentage of population over 75,-1.934,,-1.691
,(1.041),,(1.084)
Real per-capita disposable income,,0.001,-0.000
,,(0.001),(0.001)
Growth rate of real per-capita disp. income,,0.529*,0.410*
,,(0.210),(0.196)
R-squared,0.3,0.2,0.3
N,50,50,50