Four developments this week shed some light on this — with temporal frames ranging from a few quarters to decades. The body of this newsletter will deal with some of these, but here’s a quick summary.

Rupee recovers from record lows, settles 16 paise down at 92.17 against US dollar The rupee recovered from record low levels and settled with a loss of 16 paise at 92.17 (provisional) against the US ...