Examlex
Gas exchange in most land plants occurs through structures called
Opportunity Cost
The loss of potential gain from other alternatives when one alternative is chosen over others.
Double Feature
The showing of two films for the price of one in a movie theater, traditionally a practice in the mid-20th century.
Production Possibilities Frontier
A curve depicting all maximum output possibilities for two goods, given a set of inputs, representing the trade-off between different choices in the allocation of resources.
Recession
A significant decline in economic activity across the economy, lasting more than a few months, typically visible in real GDP, real income, employment, industrial production, and wholesale-retail sales.
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