In recent years, there has been an increasing trend to also use more statistical and engineering type methods in the formation of welfare indicators e.g., [ 22 , 23 , 24 , 25 , 26 ].
1
—
—
In recent years, there has been an increasing trend to also use more statistical and engineering type methods in the formation of welfare indicators e.g., [ 22 , 23 , 24 , 25 , 26 ].