What many people fail to realize is when you hire employees, there is a formula used, in terms of the salary and benefits, being a percent of what the employee earns the company in terms of added value. This puts a limit on how many people you can hire and still turn a profit. Not all positions earn the company the same amount of money, therefore the wage and benefits will not be uniform for all positions. Executives get paid high salaries, not because of a good ole boy network, but because those positions add the most value, with their compensation connected to the same basic formula.
As an example, say you own a factory, with people working along a car assembly line. Each person, on the line, gets paid based on the value added. This is calculated based on what you can sell each car for, and the number of hands that touch the car on the line, and the level of skill at each step, where each adds different value. Next, you have a foreman, whose job is to make sure a portion of line, maintains production and quality. This adds even more value. Since he is in charge of a dozen people, his value is compounded based on the margins he adds to all twelve people. As you go to the top, which may be five or more layers, the CEO, may be responsible for 10,000 people. His ideas will add tiny margins to value of 10,000 people. The value added multiples very fast allowing higher compensation.
Selling also works this way. Those in the field, selling, make a salary and commission on sales. After so many years of good company service, adding value through sales, a good salesman might get promoted to regional sales director. Now that person will be in charge of a group of sales people, who will all give you a cut. This cut is all dependent on you making sure your team is meeting the business sales goals, so all the money adds up for you, your team and company profits. The prestige of your position can often help you team leverage more sales.