> To do so would mean they leave money on the table! Generally it means that they can't capture the full value they add. If I have a business installing dome

> To do so would mean they leave money on the table! Generally it means that they can't capture the full value they add. If I have a business installing domestic solar panels, I can capture the economic benefit to a homeowner of getting cheaper electricity, but not the broader impact of helping to decarbonise the grid. (There might be a subsidy for this business where you live, but that's irrelevant: in principle a business like this can exist and be profitable without capturing all of the value it creates).