市場干預
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| Good X (unit price) | Quantity demanded in the market (unit) | Quantity supplied in the market (unit) |
|---|---|---|
| $6 | 60 | 40 |
| $9 | 55 | 45 |
| $12 | 50 | 50 |
| $15 | 45 | 55 |
| $18 | 40 | 60 |
If the government uses a unit tax instead to fix the output of Good X at 45 units, the unit tax imposed on Good X will be
As shown in the following graph, the government of a certain country has fixed the price of agricultural products at P*.

If the price of fertilizers falls, what will happen to the agricultural products? There will be
If the US government cancels the effective import quota restrictions on the textile products from Hong Kong, then the US import price of Hong Kong textile products will _______ and US import spending on Hong Kong textile products will _______.
Suppose the government imposes a per unit sales tax on good X of which the supply is perfectly inelastic. Only _______ will bear the tax burden, and the quantity transacted will _______.
The following table shows the market demand and supply of a good.
| Unit Price ($) | Market quantity demanded (Units) | Market quantity supplied (Units) |
|---|---|---|
| 10 | 70 | 130 |
| 9 | 90 | 120 |
| 8 | 110 | 110 |
| 7 | 130 | 100 |
| 6 | 150 | 90 |
| 5 | 170 | 80 |
If the government provides a per unit subsidy of $3 to the suppliers,

Refer to the above diagram. Which of the following statements is correct?
When the Real Madrid football team visited Hong Kong, many people queued up for days for the tickets to watch the game. Some people complained that they were unable to buy a ticket even though they were willing to pay the official ticket price. This implies that
If a country reduces a per-unit tariff on its imported garments,
Answer Questions 11 and 12 by referring to the following market demand schedule of a good.
| Price ($) | 11 | 12 | 13 | 14 |
|---|---|---|---|---|
| Quantity demanded (unit) | 160 | 140 | 120 | 100 |
Suppose the government imposes a unit sales tax of $3 on the good. As a result, the equilibrium price of the good increases from $12 per unit to $13 per unit. Which of the following descriptions is correct?
Answer Questions 11 and 12 by referring to the following market demand schedule of a good.
| Price ($) | 11 | 12 | 13 | 14 |
|---|---|---|---|---|
| Quantity demanded (unit) | 160 | 140 | 120 | 100 |
If the equilibrium price of the good falls back to $12 per unit due to a decrease in production cost,