This is a complex issue that policymakers should look into because it can have wide-ranging effects on the economy, influencing everything from consumer prices to investment decisions.
I had been working some time ago for a multinational dealing with BPO, and one of the important items took in consideration was the exchange rate effect. As the mother company deals in a different currency than the subsidiary, this can induce risks / uncertainty in several areas, as budgeting, revenues, etc.