Difference between offering an employee a wage increase and offering a bonus

One difference between offering an employee a wage increase and offering a bonus is that the latter doesn’t come automatically the next year. The employee has to earn it from scratch all over again. o Why might managers at Goldman award their best workers with a bonus instead of a wage increase? o By appeal to an ethical theory, could you make the case that, in general, employees should be paid mainly through a bonus system? How would the theory work at two extremes: wealthy Goldman executives and waitresses at a corner diner?