To an American audience, yeah, it's definitely better in all caps.
However, The Economist is British, and sometimes in British English they capitalize acronyms that way. Only "true" (pronounceable) acronyms, though, so they'll write Nato ("nay toh") and BBC ("bee bee see").
However, The Economist is British, and sometimes in British English they capitalize acronyms that way. Only "true" (pronounceable) acronyms, though, so they'll write Nato ("nay toh") and BBC ("bee bee see").