It suggests there is an invisible balance between supply and demand. If there's too much supply, the invisible hand pushes the price down until vendors are able to sell their overstock. If there is less demand (as for carriages when… Full Answer
The mechanism that works in a free-market (the market we observe in the USA or UK) which equates supply and demand. This obviously doesn't always occur, but it is the "invisible hand" that we refer to.