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供應鏈關係不確定性對公司信用風險影響之研究

182

表四 顧客關係不確定性對公司債利差之影響:加入控制變數

以各顧客銷售比率

(CPS)

加權之

CPSV

最主要顧客的

CPSV

(1)

(2)

(3)

(4)

(5)

(6)

(7)

(8)

CPS_CPSV5

384.5505***

(4.73)

CPS_CPSV6

394.7978***

(4.98)

CPS_CPSV7

402.3372***

(5.10)

CPS_CPSV8

424.8535***

(4.86)

M_CPSV5

381.6564***

(4.12)

M_CPSV6

384.7972***

(4.16)

M_CPSV7

396.6675***

(4.52)

M_CPSV8

453.0641***

(5.10)

LEV

547.6024*** 551.2252*** 553.1487**

533.3258**

552.6024*** 558.4536*** 556.2055**

536.1393**

(2.65)

(2.67)

(2.54)

(2.31)

(2.68)

(2.71)

(2.56)

(2.33)

VOL

741.0916*** 738.9050*** 739.2071*** 781.6599*** 742.8836*** 740.8228*** 745.1782*** 786.3586***

(4.38)

(4.38)

(4.25)

(4.26)

(4.40)

(4.39)

(4.28)

(4.29)

Coupon

19.7323**

19.9513**

20.1175**

21.3765**

19.7026**

19.8875**

20.0661**

21.3637**

(2.17)

(2.19)

(2.14)

(2.14)

(2.17)

(2.18)

(2.13)

(2.13)