Variables Coefficients p-value* Durbin Watson test statistic R2 LOG(INCOME) 0.73 0.03 2.04 .98 LOG(DPI) 0.57 0.03     LOG(SPETARI) 1.32 0.1     LOG(SUPTAR) -1.02 0.1     * P-value < 0.05 was considered statically significant

Table 2: The results of estimating equation after removing autocorrelation.