the difference between the revenue received from the sale of output and the opportunity cost of the inputs used plus the explicit costs decreases in the unit cost of production associated with increasing output; the reward for entrepreneurs.
physical and mental work done by people called labourers (workers/employees) for a reward or...
builds engineering projects on behalf of the community.
when firms do not produce the correct quantity to suit demand as they do not use the resources...
those that do not replenish themselves in one person's lifetime.