These three components of a money-based price can be used in other evaluations of a product’s worth. A carbon footprint would include the transport inputs to the end user. A planning application would require hydrological assessments for the coming years, not to mention a wildlife survey of existing residents.
Comparisons between money values are rarely challenged because the unit of measurement is the same on both sides of the table. But try to agree a valid comparison between, say, money and hunger or thirst. Between two human beings there is a chance of agreement., but repeating the experiment with other units is unlikely to work, let alone other species.
The posts listed below cover a number of examples to tell the story.
