If most people don't sell and there is high demand, then the few properties that will be on the market will be gone quickly and people will compete, driving up

If most people don't sell and there is high demand, then the few properties that will be on the market will be gone quickly and people will compete, driving up the prices. So it really depends on how large the amount of people who don't want to but have to sell is compared to the amount of people who are looking to buy.