how does the revenue effect of an import quota differ from t

how does the revenue effect of an import quota differ from that of a tariff?
我是说用英语回答这个问题 是回答 不是解释

The same point:
The economic effect of tariffs and quotas are used to analyze a country's implementation of the tariffs or quotas on the country's economy, including: product prices, production, consumption, trade, fiscal revenue, terms of trade and welfare impact.
2. Their implementation will bring about the rise in the domestic market price, if the country is a big country, then, have also lead the international market prices;
3. Their implementation will cause the production of the domestic market increase;
4. Their implementation will cause slower growth in spending on the domestic market;
5. Their implementation will enable the country to reduce the volume of trade;
Six. Their implementation will cause the reduction in consumer welfare, producer welfare increases total social welfare net decrease (small countries).
Different points:
Economic effects of tariffs and quotas the only difference is that, C part of the ownership.
In the case of tariffs, C obtained by the government to generate government revenue effect;
In the case of quotas, it depends on the attribution of the importing country the way the allocation of quotas, as well as the world market situation of the commodity exports.
In reality, the allocation of quotas is often used in conjunction with the license. In accordance with a permit allocation method to analyze:
1. Competitive auctions: The Government through a public auction method of distribution of licenses. Under this approach, C part of the revenue received by the government basically, so the implementation of quotas and tariffs on the economic effects of basically the same.
2. According to the fixed parameters of the allocation of quota: Under the importer in the previous year or years before the actual import volume, according to a fixed percentage of the allocation of quotas. This method makes C part of the proceeds to the importer obtained.
3. According to certain procedures to apply for quota: As the name suggests is the Government in accordance with certain procedures for approval to award the quota. In this case, C part of the revenue from the importer and government officials to work together and divided up the more bribery of officials in his share of C will be.