A worker is most likely to improve their ability to earn a higher income by gaining new knowledge, skills and experience. this is because an improved knowledge about an existing Job will lead to an improve service delivery and this in turn will lead to an increase pay.
Gaining a new skill is very vital in the production industry and other forms of industry because this will make the worker very relevant and essential in his/her workplace. which will improve his ability to earn more as well. acquiring the relevant experience on the job will also improve a worker's ability to earn more
