Examlex
The speed of sound in the ocean is about ________.
Luxury Good
A good for which demand increases more than proportionally as income rises, and is often seen as a status symbol rather than a necessity.
Coffee And Tea
Two popular beverages consumed worldwide, derived from brewing the roasted seeds of the Coffea plant and the dried leaves of the Camellia sinensis plant, respectively.
Skis And Ski Boots
Items used in the sport of skiing, where skis are long narrow platforms to glide over snow, and ski boots are specialized footwear that attach to the skis.
Cross-Price Elasticity
A measure in economics that shows how the quantity demanded of one good reacts to a change in price of another good, indicating their substitutability or complementarity.
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