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Table 1 Linear regression equations

From: How does the position of firms in the supply chain affect their performance? An empirical study

Model number Model
Model 1 (Base Model 1) PERF = α1 + α2(SNTL1) + α3(AGE) + α4(SIZE) + α5(PUB) + α6(JAP) + α7(DL) + e
Model 2 PERF = α1 + α2(SNTL1) + α3(SNC) + α4(AGE) + α5(SIZE) + α5(PUB) + α6(JAP) + α7(DL) + e
Model 3 PERF = α1 + α2(SNTL2) + α3(SNC) + α4(AGE) + α5(SIZE) + α5(PUB) + α6(JAP) + α7(DL) + e
Model 4 PERF = α1 + α2(SNTL1) + α3(SNC) + α4(SNC2) + α5 (AGE) + α6(SIZE) + α7(PUB) + e
 + α8(JAP) + α9(DL) + e
Model 5 PERF = α1 + α2(SNTL1) + α3(ST) + α4(SSH) + α5(AGE) + α6(SIZE) + α7(PUB)
 + α8(JAP) + α9(DL) + e
Model 6 PERF = α1 + α2(SNTL1) + α3(BT) + α4(BSH) + α5(AGE) + α6(SIZE) + α7(PUB)
 + α8(JAP) + α9(DL) + e
Model 7 PERF = α1 + α2(SNTL1) + α3(BT) + α4(ST) + α5(BT X ST) + α6 (AGE) + α7 (SIZE)
+ α8(PUB) + α9(JAP) + α10(DL) + e
Model 8 (Base Model 2) PERF = α1 + α2(SNTL1) + α3(SNC) + α4(BT) + α5 (BSH) + α6 (ST) + α6 (SSH)
 + α7(AGE) + α8(PUB) + α9(JAP) + α10(DL) + e