There is the liquidity provided w/ the help of LPs on Uniswap for eg - and then there is the overall price elasticity of demand for GTC as supply increases. I guess I view the first as fairly dependent on the specifics of the tool whereas the second has to do w/ underlying demand and of course utility. Along those lines, there is quite a thread elsewhere that discusses some work that was done to see about the hold times of contributors which was enlightening if not conclusive: Data Science @ GitcoinDAO - #27 by Fred