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There are three different types of primary keys: natural keys,artificial keys,and surrogate keys. Describe each of these types.
Purely Competitive Markets
Markets characterized by many sellers offering identical products, leading to a high degree of competition and efficiency.
Consumer Surplus
The difference between the total amount that consumers are willing and able to pay for a good or service and the total amount that they actually pay.
Economic Profits
Profits earned by a business after accounting for both explicit costs (like wages and rents) and implicit costs (such as opportunity costs).
Creative Destruction
A concept in economics attributed to Joseph Schumpeter, describing the process by which old industries or technologies are destroyed and replaced by new ones.
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