| Sustainable innovativeness Song et al. (2020) |
| 1 | My bank is pioneer among other banks to buy new sustainable products |
| 2 | Compared with other banks, my bank has a lot of sustainable products |
| 3 | My bank likes to buy sustainable products before other banks do |
| Green investments Igbudu et al. (2018) |
| 1 | My bank provides loans to environmental protection and energy saving related projects |
| 2 | My bank implements certain independent and unique green initiatives, projects, and etc. (e.g. tree planting) |
| 3 | My bank promotes and facilitates environmental oriented enterprises through special grants, loans, and guidance |
| 4 | My bank promotes and facilitates environmental enterprises through special sachems, loans, and guidance |
| 5 | My bank uses social and environmental management system or any other mechanisms to evaluate all project proposals |
| Green banking policy Rehman et al. (2021a, b) |
| 1 | My bank involves in setting up green branches (energy-efficient buildings/green buildings) |
| 2 | My bank has an environmental (green) policy |
| 3 | My bank has environmental-related agreements with relevant parties/stakeholders (suppliers, customers, and etc.) |
| 4 | My bank promote an environmental friendly policy at corporate level |
| Green banking operations Chen et al. (2013) |
| 1 | My bank has initiatives to reduce paper usage and other wastage of materials |
| 2 | My bank has introduced energy-efficient equipment's, system solutions and practices |
| 3 | My bank uses e-waste management practices |
| 4 | My bank has environmental friendly banking practices (e-mail, intranet, e-statements, online approval system, and etc.) |
| 5 | My bank encourage customers to use environmental friendly banking practices (e-statements, online transfer etc.) |
| 6 | My bank regularly arranges seminar and workshop to promote environment friendly practices |