Table 2 The Bias Measure* When Measurement Errors Exist in
the Petrol Price Index
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| Purchase |
|
|
|
|
|
|
|
|
|
| b0 Intercept |
(−) |
0 |
−27 |
−31 |
−29 |
1 |
−2 |
7 |
−1 |
| b1 Age |
(+) |
1 |
0 |
1 |
0 |
1 |
1 |
−1 |
1 |
| b2 Gender |
(+) |
−5 |
−1 |
2 |
−2 |
−3 |
2 |
5 |
1 |
| b3 Income |
(+) |
−7 |
0 |
−6 |
−18 |
−15 |
−3 |
14 |
−25 |
| b4 Petrol price |
(−) |
−1 |
89 |
102 |
99 |
−4 |
2 |
−29 |
5 |
| Recreation |
|
|
|
|
|
|
|
|
|
| b5 Intercept |
(−) |
5 |
43 |
45 |
47 |
−2 |
0 |
0 |
0 |
| b6 Age |
(−) |
0 |
1 |
−3 |
−1 |
1 |
1 |
0 |
2 |
| b7 Gender |
(−) |
2 |
−5 |
3 |
−1 |
−3 |
−5 |
9 |
−5 |
| b8 Income |
(−) |
−1 |
−6 |
−4 |
−7 |
−7 |
−5 |
−2 |
−1 |
| b9 Petrol price |
(+) |
−13 |
−91 |
−95 |
−100 |
3 |
−1 |
0 |
0 |
* This is the
mean of 100 over the replications.
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