Hanoi, April 12 -- Bangkok (VNA) - Amid mounting pressure from the war crisis, which has sent ripple effects through global energy prices and raw material costs, Thailand's monetary policy is facing a more difficult challenge, especially in weighing inflation control against the need to keep the economy from losing momentum. Vitai Ratanakorn, Governor of the Bank of Thailand (BOT), was quoted by local media as saying that this round of inflation has its roots in the supply side, meaning an interest-rate increase may not be the most effective answer. Vitai said that, in conducting monetary policy amid the crisis now being faced, the BOT may not yet need to raise interest rates because the inflation now occurring is being caused by the supply...