The sample
| Panel A. Sample selection process | |||||||||
| N. of firms | |||||||||
| Listed companies: - Having the country of headquarters in one of 27 European countries - Having the country of Exchange in one of 27 European countries - Preparing a sustainability report in the period 2004–2021 - Having a market capitalization equal or higher than 500 million | 574 | ||||||||
| Companies with no accounting and financial data | (89) | ||||||||
| Final sample | 485 | ||||||||
| Panel B. sample by country | Panel C. sample by industry | ||||||||
| Country of Headquarter | No. of firms | No. of obs | % of obs | Sector | No. of firms | No. of obs | % of Obs | ||
| 1 | Austria | 17 | 121 | 3.22 | 1 | Accommodation and Food Services | 7 | 54 | 1.44 |
| 2 | Belgium | 16 | 106 | 2.82 | 2 | Admin. and Supp., Waste Manag. and Remed. Services | 11 | 86 | 2.29 |
| 3 | Czech Republic | 1 | 17 | 0.45 | 3 | Agriculture, Forestry, Fishing and Hunting | 1 | 6 | 0.16 |
| 4 | Denmark | 18 | 131 | 3.48 | 4 | Arts, Entertainment, and Recreation | 5 | 29 | 0.77 |
| 5 | Finland | 22 | 196 | 5.21 | 5 | Construction | 24 | 184 | 4.89 |
| 6 | France | 73 | 611 | 16.25 | 6 | Educational Services | 1 | 5 | 0.13 |
| 7 | Germany | 85 | 624 | 16.59 | 7 | Finance and Insurance | 55 | 417 | 11.09 |
| 8 | Greece | 11 | 96 | 2.55 | 8 | Health Care and Social Assistance | 31 | 213 | 5.66 |
| 9 | Hungary | 4 | 48 | 1.28 | 9 | Information | 191 | 1643 | 43.69 |
| 10 | Ireland | 2 | 8 | 0.21 | 10 | Manufacturing | 3 | 27 | 0.72 |
| 11 | Italy | 54 | 367 | 9.76 | 11 | Mining, Quarrying, Oil and Gas Extraction | 2 | 13 | 0.35 |
| 12 | Luxembourg | 9 | 55 | 1.46 | 12 | Other Services (except Public Administration) | 29 | 175 | 4.65 |
| 13 | Netherlands | 23 | 238 | 6.33 | 13 | Professional, Scientific, and Technical Services | 37 | 185 | 4.92 |
| 14 | Poland | 8 | 72 | 1.91 | 14 | Real Estate, Rental and Leasing | 20 | 155 | 4.12 |
| 15 | Portugal | 8 | 70 | 1.86 | 15 | Retail Trade | 16 | 165 | 4.39 |
| 16 | Romania | 5 | 17 | 0.45 | 16 | Transportation and Warehousing | 16 | 73 | 4.39 |
| 17 | Slovenia | 2 | 9 | 0.24 | 17 | Utilities | 28 | 281 | 7.47 |
| 18 | Spain | 36 | 358 | 9.52 | 18 | Wholesale Trade | 8 | 50 | 1.33 |
| 19 | Sweden | 91 | 617 | 16.41 | Tot. | 485 | 3,761 | 100.00 | |
| Tot. | 485 | 3,761 | 100.00 | ||||||
| N. of firms | |||||||||
| Listed companies: | 574 | ||||||||
| Companies with no accounting and financial data | (89) | ||||||||
| Country of | No. of | No. of | % of | Sector | No. of | No. of | % of | ||
| 1 | Austria | 17 | 121 | 3.22 | 1 | Accommodation and Food Services | 7 | 54 | 1.44 |
| 2 | Belgium | 16 | 106 | 2.82 | 2 | Admin. and Supp., Waste Manag. and Remed. Services | 11 | 86 | 2.29 |
| 3 | Czech Republic | 1 | 17 | 0.45 | 3 | Agriculture, Forestry, Fishing and Hunting | 1 | 6 | 0.16 |
| 4 | Denmark | 18 | 131 | 3.48 | 4 | Arts, Entertainment, and Recreation | 5 | 29 | 0.77 |
| 5 | Finland | 22 | 196 | 5.21 | 5 | Construction | 24 | 184 | 4.89 |
| 6 | France | 73 | 611 | 16.25 | 6 | Educational Services | 1 | 5 | 0.13 |
| 7 | Germany | 85 | 624 | 16.59 | 7 | Finance and Insurance | 55 | 417 | 11.09 |
| 8 | Greece | 11 | 96 | 2.55 | 8 | Health Care and Social Assistance | 31 | 213 | 5.66 |
| 9 | Hungary | 4 | 48 | 1.28 | 9 | Information | 191 | 1643 | 43.69 |
| 10 | Ireland | 2 | 8 | 0.21 | 10 | Manufacturing | 3 | 27 | 0.72 |
| 11 | Italy | 54 | 367 | 9.76 | 11 | Mining, Quarrying, Oil and Gas Extraction | 2 | 13 | 0.35 |
| 12 | Luxembourg | 9 | 55 | 1.46 | 12 | Other Services (except Public Administration) | 29 | 175 | 4.65 |
| 13 | Netherlands | 23 | 238 | 6.33 | 13 | Professional, Scientific, and Technical Services | 37 | 185 | 4.92 |
| 14 | Poland | 8 | 72 | 1.91 | 14 | Real Estate, Rental and Leasing | 20 | 155 | 4.12 |
| 15 | Portugal | 8 | 70 | 1.86 | 15 | Retail Trade | 16 | 165 | 4.39 |
| 16 | Romania | 5 | 17 | 0.45 | 16 | Transportation and Warehousing | 16 | 73 | 4.39 |
| 17 | Slovenia | 2 | 9 | 0.24 | 17 | Utilities | 28 | 281 | 7.47 |
| 18 | Spain | 36 | 358 | 9.52 | 18 | Wholesale Trade | 8 | 50 | 1.33 |
| 19 | Sweden | 91 | 617 | 16.41 | |||||
Source(s): Developed by author