Second , this variability is explained by five types of determinants : inertial effects , race scheduling , viewers ' attitude towards the race , stage progress and broadcasting features .
First , it considers minute - by - minute variability of demand .
This variability is explained by five types of determinants : inertial effects , race scheduling , viewers ' attitude towards the race , stage progress and broadcasting features .
First , it considers minute - by - minute variability of demand .