Firing frequencies in football

Football is a low-scoring game where the winner takes it all. Therefore, we become outcome biased and tend to only look and judge a head coach on the results.

But is this the right tool to analyse a coach’s work and is there an effect when sacking or changing a head coach?

Optima Football Academy has done this analysis below on the subject:

https://optimafootballacademy.wordpress.com/2019/12/12/firing-frequencies/