Russia’s invasion of Ukraine will cause their economies to contract this year by about 10% and 20%, respectively, the region’s leading development bank said Thursday in one of the most in-depth economic assessments to date of the war’s impact on the two countries. The European Bank for Reconstruction and Development said the slump in Russia would likely turn into a long period of stagnation while neighboring economies would rebound next year as long as a sustainable cease-fire is secured over the coming months. Continue reading your article with a WSJ membership View Membership Options