Agriculture Reference
In-Depth Information
Milk
Eggs
2005-06
2007-08
2005-06
2007-08
loyalty (value-oriented)
-2.8573**
-1.2704**
-4.5387
3.9902**
(0.3431)
(0.2358)
(5.6458)
(1.4506)
loyalty (supermarkets)
-1.8855**
-2.2079**
-3.7655**
-2.8702**
(0.1720)
(0.1708)
(0.9297)
(1.0625)
loyalty (high-end)
9.3185**
-4.8025**
-7.3624
-4.8729
(0.9229)
(1.1015)
(5.2753)
(3.5255)
price premium* loyalty
(value-oriented)
-40.5001**
-4.1765
-5.9651
-32.2421**
(8.9784)
(6.0441)
(24.8313)
(9.4999)
price premium* loyalty
(supermarkets)
-7.8783**
-3.3919
4.8699
11.6465**
(2.9340)
(3.7701)
(3.8133)
(3.3894)
price premium* loyalty
(high-end)
105.6417*
76.3539*
43.8518
16.6296
(44.9088)
(35.2421)
(23.4916)
(11.7079)
% discount
-0.1066
-0.2957*
-0.4048
-1.7209*
(0.1436)
(0.1385)
(0.5430)
(0.7652)
days between trips
-0.006
0.0179*
-0.0651
0.0254
(0.0118)
(0.0074)
(0.0456)
(0.0203)
distance
0.0018
0.0060**
-0.0884**
-0.0305**
(0.0024)
(0.0021)
(0.0303)
(0.0118)
total spending of the trip
-0.0075**
-0.0021
-0.0045
-0.0260**
(0.0022)
(0.0018)
(0.0041)
(0.0073)
% organic in others items
of the trip
0.1871**
0.2725**
0.3118**
0.4334**
(0.0302)
(0.0323)
(0.0650)
(0.0512)
income
0.0179
0.0025
0.2926**
0.0498
(0.0148)
(0.0106)
(0.0781)
(0.0276)
household size
0.1850**
-0.0918
-1.4851**
-1.0755**
(0.0618)
(0.0498)
(0.4480)
(0.2403)
college educated
-0.9139**
-0.0951
1.0390*
-0.8338*
(0.1410)
(0.1386)
(0.5193)
(0.3437)
married
0.0433
0.2235
-0.8613
0.2264
(0.1174)
(0.1254)
(0.5706)
(0.3853)
preschool children
0.2939
0.3032
2.7129**
0.6898
(0.2139)
(0.1585)
(0.7454)
(0.3979)
school-age children
-0.4939*
-1.0582**
-0.2508
0.0025
(0.2209)
(0.1936)
(0.4016)
(0.5546)
elderly
-1.6509**
-1.7207**
-2.4469**
-2.1501**
(0.2563)
(0.1736)
(0.6518)
(0.4944)
number of observation
13206
15685
4732
6750
log likelihood
-2895.0943
-4149.0844
-336.5629
-563.9128
989.14
(<0.001)
Pseudo R
2
0.6837 0.6184 0.8974 0.8795
Note: The "conventional" is the base outcome for all variables. Robust standard errors in
parentheses; *, ** denote statistical significance at 5% and 1%, respectively.
Table 7. MLE Parameter Estimates for Choice of Organic Milk and Eggs
Wald statistics
(Prob>χ
2
)
2080.53
(<0.001)
2680.72
(<0.001)
776.76
(<0.001)
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