Table 3 The Bias Measure* When Measurement Error Exists in the Income Variable
Table 3 The Bias Measure* When Measurement Error Exists in the Income Variable
| Parameters | Classical | Berkson | |||||||
|---|---|---|---|---|---|---|---|---|---|
| sI sign | 0 | 0.1 I | 0.2 I | 0.3 I | 0 | 0.1 I | 0.2 I | 0.3 I | |
| Purchase | |||||||||
| b0 Intercept | (−) | 2 | 5 | −2 | 2 | −1 | 1 | −2 | 2 |
| b1 Age | (+) | −1 | 1 | 1 | 2 | −1 | 1 | 0 | −1 |
| b2 Gender | (+) | 3 | −2 | −1 | −2 | 1 | −2 | 2 | 2 |
| b3 Income | (+) | 2 | −13 | −32 | −37 | 3 | −26 | −15 | −2 |
| b4 Petrol price | (−) | −8 | −19 | 6 | −6 | 0 | −3 | 5 | −8 |
| Recreation | |||||||||
| b5 Intercept | (−) | ||||||||
| b6 Age | (−) | −4 | 1 | 4 | 5 | −7 | 7 | −3 | 8 |
| b7 Gender | (−) | 1 | 0 | −2 | 0 | 1 | −1 | −1 | 0 |
| b8 Income | (−) | 6 | −3 | 1 | 7 | 8 | −2 | 1 | −1 |
| b9 Petrol price | (+) | −2 | 2 | 13 | 21 | 0 | −1 | 8 | 0 |
* This is the mean of 100 over the replications.