Usually if you want to book a hotel or book a black cab or taxi immediately you pay more for the immediacy. Or if you want food delivery such as pizza. This market effect should apply to labour too. If you want me in less than 24 hours and you want work exclusivity, then this should cost more. If you want the flexibility of not giving me steady hours, the price of that should be higher.
Usually if you want to book a hotel or book a black cab or taxi immediately you pay more for the immediacy. Or if you want food delivery such as pizza.
This market effect should apply to labour too.
If you want me in less than 24 hours and you want work exclusivity, then this should cost more. If you want the flexibility of not giving me steady hours, the price of that should be higher.