What role do the development bank in play in the economic development of a country ​

Banks play an important role in capital formation, which is essential for the economic development of a country. They mobilize the small savings of the people scattered over a wide area through their network of branches all over the country and make it available for productive purposes.

Explanation:

Diamond claims1 development banks are financial institutions whose main task is to promote and finance the private sector. ... According to an other definition2 development bank is the institution that grants medium and long term loans in a developing economy.

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answer; marvin gaye;