What two condition can lead to disequilibrium in a free market

Disequilibrium occurs when the quantity supplied does not equal the quantity demanded. There are two conditions that are a direct result of disequilibrium: a shortage and a surplus. A shortage occurs when the quantity demanded is greater than the quantity supplied.

In economics, Supply and Demand Law is a pricing model in a market. In a perfectly competitive market, the model argues that economic agents make price-varying decisions