We know, empirically, that a lack of liquidity increases trading costs, which in turn is directly channeled to the prices of goods and services that rely on this liquidity (more or less everything in the world, even more indirectly ones like education).
It's difficult to say 'things would be X% more expensive' because of the interconnected complexity the GP was talking about, but there is definitely a very apparent benefit.
It's difficult to say 'things would be X% more expensive' because of the interconnected complexity the GP was talking about, but there is definitely a very apparent benefit.