i am seeking to compile real country examples - I can show that the financial sector bestows economic benefits on the host country, but i need to show that that follows through into an improvement in quality of life for residents.
There is a lot of work on the role played by microfinance in form of microcredit, savings, insurance, money transfers and financial products geared towards targeting the underprivileged and low income households towards improving their quality of life. Microfinance as a discipline has created financial products and services that together have enabled low-income people to become clients of a banking intermediary.
Ex-India, Bangladesh where micro finance have played a significant role in financial inclusion.
I don't know if this has enough examples, but this paper 'Growth: Building Jobs and Prosperity in Developing Countries' from the Dept. for International Development may be of interest. See p.18, Financial capital, " A well-functioning financial sector enhances economic growth through ensuring that capital is not left idle, that it is directed to where it is most beneficial, and that risks are borne efficiently." The paper starts "Economic growth is the most powerful instrument for reducing poverty and improving the quality of life in developing countries."