Region

(Estimated Equation)

Intercept

(t-statistic)

Per Capita Personal Income (t-statistic)

Per Capita Personal Income Squared (t-statistic)

Durbin-Watson

R2

Oklahoma (1)d

0.2019

(19.82)a

−0.00054

(−1.11)

--

2.1799

0.5889

Oklahoma (2)d

0.2068

(3.30)a

−0.00706

(−1.95)c

0.000189

(3.30)a

1.7169

0.6584

Central (1)d

0.1342

(15.79)a

−0.00035

(−0.93)

--

2.3497

0.5407

Central (2)d

0.1522

(3.06)a

−0.00626

(−2.30)b

0.000151

(3.55)a

2.0199

0.6540

Northeast (1)d

0.2064

(19.08)a

0.00031

(0.63)

--

2.1128

0.3804

Northeast (2)d

0.1783

(2.28)b

−0.00505

(−1.22)

0.000182

(2.91)a

1.5170

0.5302

Northwest (1)d

0.1167

(17.21)a

−0.00063

(−1.97)c

--

1.8361

0.3006

Northwest (2)d

0.1276

(12.52)a

−0.00207

(−1.84)c

0.000034

(1.32)

1.8387

0.3233

Southeast (1)d

0.1094

(3.37)a

0.00105

(0.60)

--

1.9253

0.8500

Southeast (2)d

0.1499

(5.44)a

−0.00525

(−1.69)c

0.000152

(1.94)c

1.8635

0.8686

Southwest (1)d

0.1128

(6.90)a

−0.00059

(−0.74)

--

2.1706

0.3846

Southwest (2)d

0.1568

(15.93)a

−0.00783

(−6.54)a

0.000192

(6.38)a

1.9037

0.6177