Real refrigerators actually work with liquids that go into gases so use the latent heat of the liquid, so it doesn't really work like the Joule-Thomson expansion. So this is real.
With REITs, an investor can buy shares on an open exchange or invest in a real estate focused mutual fund, partaking in a highly liquid way of investing in real estate.
So the ample liquidity held by big banks simply reflect the depressed times we live in, where banks are frequently reluctant to make loans to the real economy and deplete their liquid reserves.
