德国智库IFO：预计德国经济今年预计将增长0.3%，高于之前预估的0.2%。

Group 1 - The core viewpoint of the article is that the German economic growth forecast for this year has been revised to 0.3%, an increase from the previous estimate of 0.2% [1] Group 2 - The IFO Institute, a German think tank, is responsible for the updated economic forecast [1] - The revision indicates a slight improvement in the economic outlook for Germany amidst ongoing economic challenges [1] - This growth forecast reflects a cautious optimism regarding the recovery of the German economy [1]