An inward shift of the demand curve for a product causes outward shifts in the demand curves for all the factors used to produce the product
a. True
b. False
Indicate whether the statement is true or false
False
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Scientific methods used to identify environmental health hazards include all of the following EXCEPT
a. case clusters c. problem formulation b. epidemiological studies d. animal bioassays
Which of the following statements is true?
A) A decrease in supply causes equilibrium price to rise; the increase in price then results in a decrease in quantity demanded. B) If demand increases and supply decreases one cannot determine if equilibrium price will increase or decrease without knowing which change is greater. C) An increase in demand causes an increase in equilibrium price; the increase in price causes supply to increase. D) If both demand and supply decrease, there must be a decrease in equilibrium price; equilibrium quantity may either increase or decrease.
Rawls argued that agreement on certain rules from behind a "veil of ignorance" would make those rules optimal
a. True b. False
When using panel data and in the presence of endogenous regressors
A) the TSLS does not exist. B) you do not have to worry about the validity of instruments, since there are so many fixed effects. C) the OLS estimator is consistent. D) application of the TSLS estimator is straightforward if you use two time periods and difference the data.