labor and products can't be conveyed proficiently, permitting individuals to take more than whatever is fair. For instance, assuming a rancher has bumble bees a positive externality of claiming these honey bees is that they will likewise fertilize the encompassing plants. This rancher has a nearby neighbor who additionally profits by this externality despite the fact that he has no honey bees himself. According to the viewpoint of the neighbor he has no motivating force to buy honey bees himself as he is now profiting from them at zero expense. Be that as it may, for the rancher, he is passing up the full advantages of his own honey bees which he paid for, on the grounds that they are likewise being utilized by his neighbour. [18]