Existence of appropriate business environment and need assessment of factors affecting it to improve national production process and creating new economic capacities is undeniable. The purpose of this study is measuring and ranking the easiness of efficiency of business in upward middle-income countries over a four-year period (2017-2020). For this purpose, 63 middle-income countries were evaluated with fuzzy dynamic multi-objective data envelopment analysis techniques in 10 areas of starting a business, obtaining construction license, cost of energy(electricity), registered property, obtaining credit, protecting minority Investors, paying taxes, cross-border trade, enforcing contracts and bankruptcy. The results showed that there is great potential for increasing efficiency and productivity in all inputs, the success of doing business in different countries is largely influenced by factors such as starting a business, cross-border trading, receiving electricity and supporting minority investors. Guatemala has been ranked one as the best performance in ease of businesses in 2019 and 2020, according to research findings while Iceland's has the worst rankings in 2018 and 2019, and Iran ranked 51st, following an improving trend in 2020 with 29 steps down
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