China’s economy, the second largest in the world, gets a spot check this week with a barrage of data due that should indicate how successful Beijing has been in supporting growth. It may be even more pertinent than usual, given that the Federal Reserve has been surprisingly cautious about the U.S. The world economy may not be on the brink of falling back into recession, but it is hardly on fire. The International Monetary Fund, for example, has lowered its growth expectations for this year and next in Europe, Japan and China, among others.