According to the summary of Hansen and Tarp(2000), the research on the relationship between international aid and economic growth can be divided into three stages. The first stage includes international aid, savings and investment. In the Harold-Thomas growth model, international aid is regarded as a factor that causes economic growth by increasing the amount of savings, and the amount of savings is the only restrictive factor for a country's economic development.

2. Later, in the double-gap model proposed by Chenery and Strout, because a country's import capacity has potential constraints on economic growth, the import capacity is considered in the model to measure the relationship between international aid and economic growth. They also indicated that the total savings and import capacity will be considered according to different countries in different periods (Chenery and Strout, 1966).

Disadvantages of international rescue:

1, due to the disappointing performance of international aid, the criticism of international aid has also risen. The most influential criticisms come from Peter Bauer and William easterly. The former is highly respected because of his prescient assertion that international aid weakens the economic growth of recipient countries, and he also has his own unique interpretation of the definition of international aid.

2. A kind of resource provided by the taxpayer of the sponsoring country and received by the government of the receiving country "(Bauer, 1975), and from this definition, it is obvious that the essence of international aid has been far from its original intention. Most of easterly's research results are the same as Bauer's.

Extended data:

Forms of assistance

1, official development assistance

This is the main form of international economic assistance, which can be divided into bilateral assistance and multilateral assistance.

2. Other official funds

Other official funds refer to export credits subsidized by the government and loans jointly issued by international financial organizations and commercial banks.

3. Private funds

Private funds mainly refer to export credit supported by unofficial export credit insurance institutions, as well as donations and subsidies sponsored by non-profit groups and individual foundations.

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