Development Economics

Step 1: Understand the role of development financial institutions.
Development financial institutions (DFIs) are set up by governments to provide long-term capital for the growth and expansion of industries, infrastructure, and other critical sectors like agriculture.

Step 2: Analyze the options.
- Option (a) is incorrect because DFIs are primarily focused on long-term investments, not short-term funds.
- Option (b) is correct as DFIs aim to develop key sectors like industry and agriculture.
- Option (c) and (d) are incorrect because DFIs do not primarily regulate the money or capital markets.

Step 3: Conclude.
Thus, development financial institutions were established to promote the development of industries, agriculture, and other key sectors.

Final Answer: