case of irritation so the confectioner would need to stop utilizing his machine. Coase contends there might have been deals rather the confectioner might have paid the specialist to proceed with the type of revenue from utilizing the machine ideally it is more than whatever the Doctor is losing ([25] [26] ). The other way around the specialist might have paid the confectioner to stop creation since he is restricting a type of revenue from the confectioner. Coase utilized a couple of additional models comparative in scope managing social expense of an externality and the potential goals