Examlex
When Walgreen's uses cables across the road as "traffic counters" to determine the density of traffic near a possible retail store location,this is an example of what type of observation?
Necessity of Choice
An economic principle stating that due to scarce resources, individuals and societies must make decisions on how to best allocate those resources.
Self-Sufficient
The quality or condition of being able to fulfill all one's needs without reliance on external assistance.
Specialize
To focus on a specific area of production or study to gain efficiency or expertise.
Gains from Trade
The increase in welfare or economic benefit that countries or individuals obtain by engaging in voluntary exchanges where they specialize according to their comparative advantages.
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