Answer and explanation:
The sciences are divided basically into two groups, natural sciences and human or social sciences. The natural sciences study natural phenomena and the human ones study man as well as his interaction with the environment.
When the sciences are dedicated to the study of man, including the economy, the previously predicted models may suffer alterations, which is due to the fact that humans are bio-psycho-social beings, they are different in all aspects that integrate them and due to that the results about your studies will always be different.