Expectations of future prices refer to the predictions or beliefs that producers hold about the future prices of their goods or services. These expectations are influenced by factors such as market trends, economic conditions, and government policies.

When producers anticipate higher prices in the future, they may reduce their current supply to capitalize on the expected future gains. Conversely, if they expect prices to decrease, they may increase their current supply to avoid potential losses. The impact of these expectations on the supply curve is significant. Positive expectations, where producers anticipate higher future prices, lead to a decrease in current supply, causing the supply curve to shift to the left. Conversely, negative expectations where producers foresee lower future prices, result in an increase in current supply, shifting the supply curve to the right.

These shifts in the supply curve affect market equilibrium, prices, and quantities traded, influencing overall market dynamics and decision-making by producers.