Fig. 1.
![Classification of 9R-activities used in circular business models (9R Strategy), LE – linear economy, CE – circular economy. Figure made by the authors based on [8,9]](https://sciendo-parsed.s3.eu-central-1.amazonaws.com/667d12c6244b564e1b9f31f2/j_ftee-2024-0015_fig_001.jpg?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Credential=AKIA6AP2G7AKOUXAVR44%2F20251205%2Feu-central-1%2Fs3%2Faws4_request&X-Amz-Date=20251205T052337Z&X-Amz-Expires=3600&X-Amz-Signature=9b792dff42740b55d2e1e5923ec7d9df3e9a9acd1a8058fac574a0ad32fe9e43&X-Amz-SignedHeaders=host&x-amz-checksum-mode=ENABLED&x-id=GetObject)
Fig. 2.

Fig. 3.

Fig. 4.

Fig. 5.

Characteristics of the group of survey respondents in terms of gender, age and education held
| Respondent | |||
|---|---|---|---|
| Absolute N=313 | Relative (%) | ||
| Gender | Male | 94 | 30 |
| Female | 219 | 70 | |
| Age group (years old) | 18–25 | 29 | 9 |
| 26–35 | 225 | 72 | |
| 36–50 | 34 | 11 | |
| Over 50 | 25 | 8 | |
| Education | Primary | 21 | 7 |
| Secondary | 37 | 12 | |
| Professional | 25 | 8 | |
| Higher | 230 | 73 | |