Table 2 The Bias Measure* When Measurement Errors Exist in the Petrol Price Index
Table 2 The Bias Measure* When Measurement Errors Exist in the Petrol Price Index
| Parameters | Classical | Berkson | |||||||
|---|---|---|---|---|---|---|---|---|---|
| sP sign |
0 | 0.1 P | 0.2 P | 0.3 P | 0 | 0.1 P | 0.2 P | 0.3 P | |
| 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.