Some countries economy are constant and some economy rise and fall, from my understanding I suggest that is because of government,and population of the country. What is your suggestion
Yes, I agree with your thoughts. But I want to add one more thing that the economy can also be affected by nature. For example, in Dubai, it is a very small country and a very small population, but it owns one of the largest oil fields in the world. Since then, Dubai has become very rich. otherwise, it is due to natural disasters or epidemics and need not for example, you also understand how big its impact is.
I do agree with the both of you and I just want to add that not do government policies affect the economy but also the people that constitute the government. If there are right people to lead a country, it helps to boost their economy by the enforcements they make.
Secondly, pandemic such as the Corona Virus which is currently in the world and the Ebola Outbreak that happened in Africa years ago can also crumble the economy of a country if not properly managed.
Thirdly, the natural resources of a country, if properly utilized by the government, can help boost the economy of such country.