It is projected that FDI and remittance inflows to Vietnam would also weaken this year due to the global economic slowdown, providing less support to VND.

Vietnam trading activities would benefit from a stable exchange market, which is the central bank's target to buy in foreign currency, said banking expert Nguyen Tri Hieu.

If only 10% of current five million business households in Vietnam are formalized into enterprises, the task would become more feasible.