MySay: The global economy: It could be worse than you thinkThe startling changes brought in by the Trump administration have unnerved one and all. Financial markets, businesses, consumers and policymakers simply do not know what these moves mean for growth and inflation, nor do they have a good fix on how bad the downsides in geopolitics might be. In fact, uncertainty alone is proving corrosive for the world economy as firms defer capital spending and hiring until they can make sense of what is happening around them.