Other than high salaries, some people are preferring to have more influence or authorization in their company. They will not have satisfied if they just get high salaries but no nobody praise or appreciate their work. Prestigious job is more fulfilling than highly paid one.
People that have strong need for affiliation like job that interact and communicate with others. The ideal for them is to know as many people as possible and keep expanding their network with other people. No money will be enough to satisfied them if their role is lonely and leave them isolated.
Some people enjoy in working in well-established environment and principle. They just want to follow the constant principle that they learnt and hate to change to new principle. Even though these people are provided with high salaries, they will still not perform well in their job if they are required to face dynamic situation that require different principle and solution to solve it.
These people prefer to earn less if they have chance to do something original and high quality work. They like to be in role that can use their creativity and imagination and hate it when their curiosity and imagination being limited by someone. The mainly reason for them to work is to present their creativity to others or the world and not just for high salaries that just make their work be dull and conventional.