With a weaker exchange rate in the Maghreb, how can the Maghreb region sustain their projected developmental path without weakening their GDP Growth?

Economic growth is a sign of a healthy economy. This shows that the economic indicators are green. The stronger the growth, the more investors will be attracted to invest in the country (and buy the currency). As a result, the currency of the country concerned will appreciate on the foreign exchange market. A change in the exchange rate is naturally induced by this phenomenon. Investors will buy currencies linked to a country with strong economic growth and sell those from countries with low growth (or recession).

The idea that markets are already correctly priced remains a key argument against central banks attempting to prick asset price bubbles.
Strangely, however, when asset prices begin falling the new lower prices are immediately recognized as being somehow wrong and requiring corrective action on the part of policy makers.
With governments accumulating ever more US dollars in their reserves, and the US responding by printing more dollars as a replacement.
The million dollar question is " will supply create its own demand".
Demand is stimulated by monetary policy, when the supply of cheap goods is in demand.
Now, emerging/ developing countries have begun driving up inflation through lower commodity prices.
Rigid adherence to consumer price targeting, in this environment, risk compounding the error; as goods become less expensive higher is the cost for borrowing money.
Where does this ever whirling saga discontinue?? A better policy would surly have been to have lower interest rates while global economies were receiving cheaper imports, allowing emerging/ developing countries to have lower rates on FDIs and more equity participation (e.g.
PPP) on public works (Dams, Sea Ports, Down-Stream Plants etc.) that need refurbishment, due to neglect.
In practical terms, this move would mean shifting central bank's mandate from targeting consumer price inflation to that of targeting asset price inflation.
Global co-operation.
Question is for all to answer, what are your positions?