Those working in bars earned slightly more, with an average hourly wage of $9.84. Hosts and hostesses employed by hotel restaurants earned a significantly higher wage, averaging $10.95 per hour. The few hosts and hostesses employed by colleges and universities earned the highest wage, $12.85 per hour.
Definition of marginal value: The incremental value that is achieved through additional output. Marginal value exists through a product modification that results in an increase in price or an increase in unit production. The value ...
Wikipedia refers to marginal value as, the change in economic value associated with a unit change in output, consumption, or some other economic choice variable. Marginal value can also be defined as the additional value added from the next consumed unit. For example, giving a slice of bread to someone without any would be of great value to them. However, the next slice would not have as much value.