Figure 1.
Intellectual capital per employee (Salaries and employee benefits/Number of employees) by sector and industry [thousands PLN per employee].
Source: Own work based on reports of analyzed companies listed on the WSE.
Figure 2.
Human capital efficiency (Sales revenues to Salaries and employee benefits [without unit] and Sales revenues to Number of employees [thousands PLN per employee]) by sector and industry.
Source: Own work based on reports of analyzed companies listed on the WSE.
Figure 3.
Technical equipment (Tangible fixed assets to Salaries and employee benefits [without unit] and Tangible fixed assets to Number of employees [thousands PLN per employee]) by sector and industry.
Source: Own work based on reports of analyzed companies listed on the WSE.
Figure 4.
Human capital efficiency (Value added to Salaries and employee benefits [without unit] and Value added to Number of employees indicators [thousands PLN per employee]) by sector and industry.
Source: Own work based on reports of analyzed companies listed on the WSE.
Figure 5.
Tangible fixed assets efficiency (Value added to Tangible fixed assets indicator [without unit]) by sector and industry.
Source: Own work based on reports of analyzed companies listed on the WSE.
Table 1.
Coefficients of linear correlation, determination, and the level of significance of labor costs per employee with selected values
| Indicator | Linear correlation coefficient | Determination coefficient | Significance level |
|---|---|---|---|
| Sales revenues/Number of employees | 0.332 | 0.110 | p = 0.165 |
| Sales revenues/Salaries and employee benefits | 0.035 | 0.001 | p = 0.887 |
| Value added/Number of employees | 0.745 | 0.556 | p < 0.001 |
| Value added/Salaries and employee benefits | 0.439 | 0.193 | p = 0.060 |
| Tangible fixed assets/Number of employees | 0.050 | 0.003 | p = 0.839 |
| Tangible fixed assets/Salaries and employee benefits | −0.124 | 0.015 | p = 0.613 |
| Value added/Tangible fixed assets | 0.563 | 0.317 | p = 0.012 |
Figure 6.
Relationship between the level of salaries and benefits per employee (value of human capital per employee [thousands PLN per employee]) and the efficiency of human capital (value added per employee [thousands PLN per employee]).
Source: Own work based on reports of analyzed companies listed on the WSE.
Figure 7.
Relationship between the level of salaries and benefits per employee (value of human capital per employee [thousands PLN per employee]) and the efficiency of tangible fixed assets (value added to tangible fixed assets [without unit]).
Source: Own work based on reports of analyzed companies listed on the WSE.