In the punctuated equilibrium (间断平衡) model of evolution, periods of evolution are . A: long, with gradual change B: long, with rapid change C: long, with fluctuating change D: short, with slow change E: short, with rapid change
In the punctuated equilibrium (间断平衡) model of evolution, periods of evolution are . A: long, with gradual change B: long, with rapid change C: long, with fluctuating change D: short, with slow change E: short, with rapid change
Select the correctly punctuated sentence.（ ）
Select the correctly punctuated sentence.（ ）
Which of the sentence is NOT correctly punctuated? （ ）
Which of the sentence is NOT correctly punctuated? （ ）
An increase in market supply and an increase in market demand will result in A: A decrease in equilibrium price and an increase in equilibrium quantity B: A decrease in equilibrium price - the change in equilibrium quantity is indeterminate C: An increase in equilibrium quantity and the change in price is unclear D: all of above
An increase in market supply and an increase in market demand will result in A: A decrease in equilibrium price and an increase in equilibrium quantity B: A decrease in equilibrium price - the change in equilibrium quantity is indeterminate C: An increase in equilibrium quantity and the change in price is unclear D: all of above
Which of the following will definitely occur when there is an increase in demand for and a decrease in supply of milk? A: an increase in equilibrium quantity B: a decrease in equilibrium quantity C: a decrease in equilibrium price D: an increase in equilibrium price.
Which of the following will definitely occur when there is an increase in demand for and a decrease in supply of milk? A: an increase in equilibrium quantity B: a decrease in equilibrium quantity C: a decrease in equilibrium price D: an increase in equilibrium price.
If the equilibrium price of a good decreases and the equilibrium quantity of the good decreases, we can conclude that
If the equilibrium price of a good decreases and the equilibrium quantity of the good decreases, we can conclude that
If the government establishes a legal price floor for a good, the result will be a(n) A: shortage of the good, but only if the floor is equal to the equilibrium price. B: surplus of the good, but only if the floor is above the equilibrium price. C: surplus of the good, but only if the floor is below the equilibrium price. D: shortage of the good, but only if the floor is above the equilibrium price.
If the government establishes a legal price floor for a good, the result will be a(n) A: shortage of the good, but only if the floor is equal to the equilibrium price. B: surplus of the good, but only if the floor is above the equilibrium price. C: surplus of the good, but only if the floor is below the equilibrium price. D: shortage of the good, but only if the floor is above the equilibrium price.
The Nash equilibrium is an outcome of a game:
The Nash equilibrium is an outcome of a game:
The first condition for equilibrium(平衡) ensures that a body(物体) should be in translational(平动的) equilibrium; the second, that it be in rotational(转动的) equilibrium.
The first condition for equilibrium(平衡) ensures that a body(物体) should be in translational(平动的) equilibrium; the second, that it be in rotational(转动的) equilibrium.
For monopolistically competitive firms in long-run equilibrium:
For monopolistically competitive firms in long-run equilibrium: