For bitcoin to be efficient there is a need for minimum technology for example pc and a good internet connection, this is the reason why bitcoin is not a solution for every country. I am sorry to say this.
You know that economic problems in a country are very complex, and even developed countries still have a lot of poor people and their economies sometimes go up and down, bitcoin can't make a country's economy stable, because a country's economic problems are not just unemployment, but many other things and more complex