Summary
Highlights
Supply is defined as the willingness and ability to sell a product, influenced by the quantity produced. Higher prices incentivize firms to supply more, leading to increased profits for existing firms and attracting new firms to the market. The supply curve illustrates a positive relationship between price and quantity supplied.
Market supply is the total aggregation of supply from all individual firms. For example, if firm A supplies 500 units and firm B supplies 400 units, the total market supply is 900 units.
Movements along the supply curve represent either an extension or a contraction in supply. An extension occurs when a rise in price leads to an increase in quantity supplied, while a contraction happens when a fall in price leads to a decrease in quantity supplied. Both show a positive relationship between price and quantity.
Shifts in the supply curve are caused by changes in supply conditions, not price. Factors like favorable weather, technological advancements, taxes, and subsidies can cause the supply curve to shift. For instance, favorable weather, subsidies, and lower taxes increase supply, shifting the curve outwards.
Discovery of new resources, government subsidies, favorable weather conditions, and lower taxes increase supply. Conversely, increased production costs (labor, materials), high taxes, bad weather conditions (like drought), and depletion of resources will decrease supply, shifting the curve inwards.