Examlex
Short selling involves the sale of depreciated stock at a price below the amount borrowed on margin.
Marginal Costs
The additional cost incurred by producing one more unit of a good or service; this cost can vary with the level of production.
OPEC
The Organization of the Petroleum Exporting Countries, a group consisting of 13 of the world's major oil-exporting nations.
Perfectly Competitive Market
A market in which all participants are price-takers.
Tacit Collusion
An unspoken, illegal agreement among competitors to avoid competing directly, often leading to higher prices.
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