Table A1

List of variables

VariableDefinitionRelevant literature
Dependent variables
TDBTotal Debt* scaled by book value of total asset (BVTA)Saif-Alyousfi et al. (2020), Antoniou et al. (2008), Korajczyk and Levy (2003) 
LTDBLong-term debt scaled by BVTASaif-Alyousfi et al. (2020), Titman and Wessels (1988) 
TDMTotal debt scaled by market value of total asset (MVTA)**Deesomsak et al. (2004), Korajczyk and Levy (2003), Frank and Goyal (2009), Antoniou et al. (2008) 
LTDMLong-term debt scaled by MVTAKorajczyk and Levy (2003), Titman and Wessels (1988) 
Independent variables
PROFITEBITDA divided by BVTAVo et al. (2022), D’Amato (2019), Dakua (2018), Bevan and Danbolt (2004), Rajan and Zingales (1995) 
lnASSETNatural logarithm of Sales representing firm sizeD’Amato (2019), Saif-Alyousfi et al. (2020), Dakua (2018), Rajan and Zingales (1995), Titman and Wessels (1988), Antoniou et al. (2008) 
M/BMVTA/BVTAVo et al. (2022), Li and Islam (2019), Deesomsak et al. (2004), Rajan and Zingales (1995) 
TANGProperty, plant, and equipment scaled by BVTAFollowing Shyam-Sunders and Myers (1999), PPE is used as proxy for fixed asset. Also used by Vo et al. (2022), Saif-Alyousfi et al. (2020), D’Amato (2019), Li and Islam (2019) 
NDTSDepreciation*** scaled by BVTAVo et al. (2022), D’Amato (2019), Dakua (2018), Antoniou et al. (2008), Deesomsak et al. (2004), Chen (2004) 
lnAGENatural logarithm of firm ageD’Amato (2019), Saif-Alyousfi et al. (2020), Bhaird and Lucey (2010) 
RNDResearch and development expense scaled by sales revenueTitman and Wessels (1988)
Frank and Goyal (2009) 
CPXCapital expenditure scaled by BVTATitman and Wessels (1988), Frank and Goyal (2009) 

Note(s):* Due to data limitations, book value instead of market value of debt has been used

** Following Bevan and Danbolt (2002), Market Value of Total Asset has been calculated as follows

MVTA = BVTA -BVE + MVE

*** Depreciation = EBITDA – Operating Income

Source(s): Authors’ own work

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