Answer: Matched pairs design
Explanation:
A matched pairs design is a type of study used when 2 treaments are present in an experiment. The individuals in the design can be divided into pairs using a blocking variable, and each pair can then be allocated to treatments at random. This is thus a special type of randomized block design.
In this case the blocking variable can be the various urban areas as 1968 is matched against 1972. Each city can be compared based on 2 measurements. From their each individual can be grouped into pairs and allocated to different treatments.
Answer:
C
Explanation:
Trade off can be expressed in terms of opportunity cost.
Opportunity cost or implicit is the cost of the option forgone when one alternative is chosen over other alternatives.
Kyoko has limited time so she has to choose between three activities. If she chooses one sport, she would not be able to partake in the other activities. So, she is trading off biking or running for swimming.
Trade off occurs because resources are limited and wants are unlimited.
Answer:
The correct answer is: an expansionary gap; decrease the money supply.
Explanation:
An expansionary gap is when genuine output surpasses potential output. At the end of the day, the economy is incidentally working over its long-run potential as estimated by real GDP.
Answer:
The correct answer is (D) business model
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