7. Administrative expenses
(in CHF 1 000)
Administrative expenses comprise the following:
| 
       
  | 
    
       
  | 
    
       01.01.–30.06.2021  | 
    
       
  | 
    
       01.01.–30.06.2020  | 
  
| 
       Asset manager  | 
    
       
  | 
    
       
  | 
    
       
  | 
    
       
  | 
  
| 
       – Management fees (incl. VAT)  | 
    
       
  | 
    
       25 089  | 
    
       
  | 
    
       19 012  | 
  
| 
       Personnel  | 
    
       
  | 
    
       
  | 
    
       
  | 
    
       
  | 
  
| 
       – Board of Directors remuneration  | 
    
       
  | 
    
       708  | 
    
       
  | 
    
       580  | 
  
| 
       – Wages and salaries  | 
    
       
  | 
    
       129  | 
    
       
  | 
    
       131  | 
  
| 
       – Social insurance contributions and duties  | 
    
       
  | 
    
       59  | 
    
       
  | 
    
       65  | 
  
| 
       
  | 
    
       
  | 
    
       25 985  | 
    
       
  | 
    
       19 788  | 
  
The remuneration model of BB Biotech AG is determined by the Board of Directors.
Since 2014 the remuneration paid to the investment manager is based upon a 1.1% p.a. all-in fee on the average market capitalization without any additional fixed or performance-based elements of compensation. The compensation of the Board of Directors consists since 2014 of a fixed compensation.