{"id":224250,"date":"2025-05-20T11:13:08","date_gmt":"2025-05-20T15:13:08","guid":{"rendered":"https:\/\/ibkrcampus.com\/campus\/?post_type=glossary-terms&#038;p=224250"},"modified":"2025-05-20T11:13:10","modified_gmt":"2025-05-20T15:13:10","slug":"elasticity-of-demand","status":"publish","type":"glossary-terms","link":"https:\/\/www.interactivebrokers.com\/campus\/glossary-terms\/elasticity-of-demand\/","title":{"rendered":"Elasticity of Demand"},"content":{"rendered":"\n<p><strong>Elasticity of demand<\/strong> is a concept in economics that measures how <strong>sensitive the quantity demanded of a good or service is to a change in one of its determining factors<\/strong>, such as <strong>price, income, or the price of related goods<\/strong>. It helps economists and businesses understand how consumers will respond when market conditions shift, making it a crucial tool in <strong>pricing strategy, tax policy, and market forecasting<\/strong>.<\/p>\n\n\n\n<p>The most common form is <strong>price elasticity of demand (PED)<\/strong>, which measures the percentage change in quantity demanded resulting from a <strong>1% change in price<\/strong>, holding all else constant. If demand changes significantly when the price changes, the good is considered <strong>elastic<\/strong> (PED &gt; 1). If demand changes only slightly, it\u2019s <strong>inelastic<\/strong> (PED &lt; 1). For example, luxury goods and non-essentials typically have high elasticity, while necessities like insulin or gasoline tend to be inelastic because consumers need them regardless of price.<\/p>\n\n\n\n<p>Other types of elasticity include <strong>income elasticity of demand<\/strong> (how quantity demanded responds to changes in consumer income) and <strong>cross-price elasticity of demand<\/strong> (how the demand for one good responds to the price change of another, such as substitutes or complements). Understanding elasticity helps businesses set optimal prices, governments assess the impact of taxes, and economists predict how shocks to the market will influence consumer behavior and overall demand.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Elasticity of demand is a concept in economics that measures how sensitive the quantity demanded of a good or service is to a change in one of its determining factors, such as price, income, or the price of related goods.<\/p>\n","protected":false},"featured_media":0,"parent":0,"template":"","meta":{"_acf_changed":false,"footnotes":""},"traders-glossary":[13254,13278,13251],"class_list":{"0":"post-224250","1":"glossary-terms","2":"type-glossary-terms","3":"status-publish","5":"traders-glossary-trading-terms-e","6":"traders-glossary-ibkr-traders-glossary","7":"traders-glossary-trading-alphabet"},"pp_statuses_selecting_workflow":false,"pp_workflow_action":"current","pp_status_selection":"publish","acf":[],"yoast_head":"<!-- This site is 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