Beschreibung:
Abstract Today, with the development of international trade and prosperity, the implementation of the Belt and Road strategy has brought a large number of international trades, international lending and cross-border investment business. In the process of business decision-making, the investigation of national economic risks is indispensable. To solve this problem, this paper adopts the idea of DEA Sort, selects relevant economic indicators, combines the input-oriented CCR multiplier model and cluster analysis to classify the national economic risks of sample countries, and finally obtains three classifications and the economic risks of most countries were found to be high. It is expected to provide reference for relevant cross-border business in the countries along the Belt and Road and relevant enterprises.