Suppose Barbara looks out in the morning and sees a clear sky so decides that a picnic for lunch is a good idea. Last night the weather forecast included a 100% chance of rain by midday but Barbara did not watch the local news program
Is Barbara's prediction of good weather at lunch time rational? Why or why not?
No, this prediction is not using rational expectations. Although Barbara based her guess on the information that was available to her at the time, additional information was readily available that could have been used to improve her prediction.
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The aggregate demand curve shows the
A) total amount of nominal goods that the participants in the economy want to purchase. B) amount of goods producers will produce as production costs fall. C) total amount of real goods that foreigners want to purchase. D) total amount of planned expenditures on goods and services at each possible price level.
Refer to the inequality below. The marginal utility per dollar spent on good X is less than the marginal utility per dollar spent on good Y. According to the rule of equal marginal utility per dollar spent, what can a consumer do to increase total utility from consumption of goods X and Y?
If the government imposes a maximum price that is above the equilibrium price,
A. quantity demanded will be less than quantity supplied. B. demand will be greater than supply. C. this maximum price will have no economic impact. D. the available supply will have to be rationed with a non-price rationing mechanism.
The Social Security System
A) pays benefits to people which are directly related to how much they contributed during working years. B) collects money from an individual and uses the accrued interest on those funds to pay the person's retirement benefits. C) is based on a "pay-as-you-go" principle. D) All of the above.