There is no room for economic change for a flooded country, on the contrary, flooding causes the economy to fall apart from all sectors, you know this flood can hamper economic growth before the situation returns to normal as usual.

except economic changes when floods hit a country, can be solved in a way.
• economic growth can arise from the help of other countries who want to help, financial assistance and other forms can be used to improve the economy of countries affected by floods, as long as the authorities do not blame the aid that comes or corruption.