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Table 6 Ordered Probit regression results of the non-linear relationship between credit rating and working capital

From: The impact of working capital management on credit rating

\(\begin{aligned} RATING_{i,t} & = a_{i,t} + \beta_{1} NWC_{i,t} + \beta_{2} NWC_{i,t}^{2} + \beta_{3} SIZE_{i,t} + \beta_{4} LEV_{i,t} \\ & \quad + \beta_{5} COVERAGE_{i,t} + \beta_{6} LOSS_{i,t} + \beta_{7} CAP\_INTEN_{i,t} \\ & \quad + \beta_{8} SUBORD_{i,t} + \beta_{9} BIG4_{i,t} + \varepsilon_{i,t } \\ \end{aligned}\)

Dependent variable

Rating

Column 1

NWC

0.302***

(0.032)

NWC2

 − 0.032***

(0.012)

SIZE

0.489***

(0.004)

COVERAGE

0.052***

(0.001)

LEV

 − 1.626***

(0.035)

CAP_INTEN

0.419***

(0.015)

LOSS

 − 0.654***

(0.014)

BIG4

 − 0.002

(0.012)

SUBORD

 − 0.165***

(0.064)

Year effect

Yes

Industry effect

Yes

Pseudo R2

0.2875

Firm-year observations

43,180

  1. Variables definitions are provided in Table 2. Standard errors are reported in parentheses. ***, **, and * indicate two-tailed significance at the 1%, 5%, and 10% levels
  2. The results in this table are based on annual panel data of U.S. listed firms from WRDS merged with CRSP/Compustat files for the period between 1985 and 2017