Sometimes distinct patterns around a trend line can be caused by
A) poor underlying data.
B) dummy variables.
C) seasonal variation.
D) statistical anomalies.
C
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Which of the following government policies would most likely result in an increase in economic growth?
A) a decrease in the life of a patent from 20 years to 15 years B) a decrease in government spending on grants issued through the National Institutes of Health C) a decrease in the interest rate at which the government provides student loans D) decreased copyright protection on music and movies
An indication that Insurance companies anticipate adverse selection is
a. they do not require a deductible b. they do not classify clients into different risk types according to their claim history c. they classify clients into different risk types according to pre-existing conditions d. they do not require a co-payment
The potential output of an economy is: a. the output level at which inflation is very high
b. the output level at which nominal GDP is equal to real GDP. c. less than the full-employment rate of output. d. the output level at which total unemployment is zero. e. also referred to as the natural rate of output.
A country purchases $3 billion of foreign-produced goods and services and sells $2 billion dollars of domestically produced goods and services to foreign countries. It has
a. exports of $3 billion and a trade surplus of $1 billion. b. exports of $3 billion and a trade deficit of $1 billion. c. exports of $2 billion and a trade surplus of $1 billion. d. exports of $2 billion and a trade deficit of $1 billion.