Apollo Multi Asset's Tom McGrath considers the possible unintended consequences of Fed chief Ben Bernanke unleashing a third round of quantitative easing at the upcoming meeting.
The Bank of England's chief economist Spencer Dale has warned printing more money "might do more harm than good" and could cause harm for the future.
The Bank of England's Monetary Policy Committee (MPC) has voted to hold the base rate of interest at 0.5%.
Gold has climbed to its highest level in more than five months as speculation the next round of QE in the US is just weeks away pushed the precious metal higher.
PIMCO's Bill Gross said the US economy needs to grow by 3% and upwards for several quarters in order to avoid another round of QE.
Bank of England monetary policy committee member Martin Weale has said he would prefer a base rate cut to further quantitative easing, were the Bank to unveil more stimulus measures.
George Soros and John Paulson are among the investors buying gold in anticipation of an uptick in price driven by more QE in developed economies this year.
The Bank of England's Monetary Policy Committee (MPC) voted unanimously to keep rates on hold and maintain QE at £375bn in August but expressed fears over sterling's continued appreciation.