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

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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.