Imbalance
Disparity, Inequality
noun, な adjective
Remember how 均衡 means "balance?" Well if you do not have any balance, you're going to have an imbalance instead.
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
先進国と新興国・発展途上国間の経常収支の不均衡は是正されるのでしょうか。
Will the current account imbalances of developing countries be corrected between developed and undeveloped countries?