Examlex
What property of a star's spectral lines allows astronomers to measure stellar masses?
Unlimited Wants
The economic concept that human desires and needs are endless and vary in nature, leading to constant demand for goods and services.
Demand Curve
A graph showing the relationship between the price of a good and the quantity demanded of that good, typically downward sloping.
Decrease in Demand
A downward shift in the demand curve for a product or service, indicating that consumers are willing to purchase less at each price level.
Substitution Effect
The Substitution Effect refers to changes in consumption patterns due to a change in the relative prices of goods, leading consumers to replace more expensive items with less costly alternatives.
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