Which of the following distincts the COVID-19 economic crisis from all other major crises of the last 100 years?
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Rational Joao Pedro spends all his money on two goods, X and Y, and always knows for sure his optimal bundle. When the prices of both goods are 3, he chooses the bundle (4, 4). Choose the correct statement (other things being equal):
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Which of the following pairs of indicators commonly have positive correlation?
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Countries A, B and C produce only watermelons (X) and grapefruits (Y). The production possibility frontiers are given by: XA+YA=100, 2XB+3YB=300, XC+2YC=600. What is the maximum amount of watermelons that they can produce together if
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Which one of the following is an example of market failure?
