Which of these factors make it difficult for an employee to get a job offer?

The factors are: Lack of experience, Economic depression, Inappropriate comments or behaviour in the interview, Poor use of English language, and low cognitive skills

In general, employers will hire an individual if they believe that the individual would provide more financial value compared to the amount of his/her salary. They would not necessarily higher you based on your academic performance because often times you would had to start learning everything related to the job again from the scratch.