SAMPLE 1 52 READ (TUNA.txt) SALES PRICE1 PRICE2 PRICE3 D1 D2 GENR LSALES=LOG(SALES) * Estimation OLS LSALES PRICE1 PRICE2 PRICE3 D1 D2 / LOGLIN COEF=BETA STDERR=SE * Hypothesis testing TEST TEST D1=0 TEST D2=0 END TEST D1=D2 * Estimate the percentage effect of dummy variable D1 on SALES GEN1 C1=BETA:4 GEN1 SE1=SE:4 GEN1 G1= 100*(EXP(C1 - SE1*SE1/2) - 1) * Estimate the percentage effect of dummy variable D2 on SALES GEN1 C2=BETA:5 GEN1 SE2=SE:5 GEN1 G2=100*(EXP(C2 - SE2*SE2/2) - 1) PRINT G1 G2 STOP