List of variables
| Variable | Definition | Relevant literature |
|---|---|---|
| Dependent variables | ||
| TDB | Total Debt* scaled by book value of total asset (BVTA) | Saif-Alyousfi et al. (2020), Antoniou et al. (2008), Korajczyk and Levy (2003) |
| LTDB | Long-term debt scaled by BVTA | Saif-Alyousfi et al. (2020), Titman and Wessels (1988) |
| TDM | Total 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) |
| LTDM | Long-term debt scaled by MVTA | Korajczyk and Levy (2003), Titman and Wessels (1988) |
| Independent variables | ||
| PROFIT | EBITDA divided by BVTA | Vo et al. (2022), D’Amato (2019), Dakua (2018), Bevan and Danbolt (2004), Rajan and Zingales (1995) |
| lnASSET | Natural logarithm of Sales representing firm size | D’Amato (2019), Saif-Alyousfi et al. (2020), Dakua (2018), Rajan and Zingales (1995), Titman and Wessels (1988), Antoniou et al. (2008) |
| M/B | MVTA/BVTA | Vo et al. (2022), Li and Islam (2019), Deesomsak et al. (2004), Rajan and Zingales (1995) |
| TANG | Property, plant, and equipment scaled by BVTA | Following 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) |
| NDTS | Depreciation*** scaled by BVTA | Vo et al. (2022), D’Amato (2019), Dakua (2018), Antoniou et al. (2008), Deesomsak et al. (2004), Chen (2004) |
| lnAGE | Natural logarithm of firm age | D’Amato (2019), Saif-Alyousfi et al. (2020), Bhaird and Lucey (2010) |
| RND | Research and development expense scaled by sales revenue | Titman and Wessels (1988) Frank and Goyal (2009) |
| CPX | Capital expenditure scaled by BVTA | Titman and Wessels (1988), Frank and Goyal (2009) |
| Variable | Definition | Relevant literature |
|---|---|---|
| TDB | Total Debt* scaled by book value of total asset (BVTA) | |
| LTDB | Long-term debt scaled by BVTA | |
| TDM | Total debt scaled by market value of total asset (MVTA)** | |
| LTDM | Long-term debt scaled by MVTA | |
| PROFIT | EBITDA divided by BVTA | |
| lnASSET | Natural logarithm of Sales representing firm size | |
| M/B | MVTA/BVTA | |
| TANG | Property, plant, and equipment scaled by BVTA | Following |
| NDTS | Depreciation*** scaled by BVTA | |
| lnAGE | Natural logarithm of firm age | |
| RND | Research and development expense scaled by sales revenue | |
| CPX | Capital expenditure scaled by BVTA | |
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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