Nigeria, June 15 -- It's almost uncanny that when I get thinking about an issue around the economy lately, events conspire to push such matters to the front burner of public discourse. This time, it is about the matter of investment. Nairametrics' take on the subject matter has got many pundits - in and out of government - chiming in with their perspective. For me, I see the issue from a slightly different, even if significant perspective. Some weeks back, I put a call through to a smart officer of our bureau for statistics, asking him how the investment function is captured in the calculation of Gross Domestic Product. The GDP as we well know, is typically calculated as C+1+G+Nx (meaning that Consumption, Investment, Government Expenditu...