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Your textbook listed a number of security requirements for conducting e-commerce. Authentication helps insure that the buyer, the seller, and the paying institutions all know the identity of the parties with whom they are dealing.
Opportunity Cost
Giving up potential improvements from various alternatives by choosing one option.
Scarcity
Scarcity refers to the fundamental economic problem of having seemingly unlimited human wants in a world of limited resources, leading to the necessity of allocation decisions.
Production
The process of combining various inputs to make goods or services for consumption.
Comparative Advantage
The capacity of an individual or country to manufacture a given good or service more efficiently, incurring lower opportunity costs than their counterparts.
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