The UAE's monetary policy stresses stability and predictability, as the Central Bank of the UAE (CBUAE) keeps a peg to the US Dollar (USD) and moves interest rates close to the Federal Funds Rate. This policy makes sense in the current situation of global and regional economic and geopolitical uncertainty. Also considering the fact that exports have become the main driver of the UAE's economic growth (the contribution of international trade to GDP grew from 31% in 2017 to 33.5% in 2018, outpacing overall GDP growth for the period), and the fact that the AED is currently undervalued, a departure from this policy – and particularly the peg – would negatively affect this important part of the UAE economy in the short term. In the mid- to long term, however, the peg will become less important, as the UAE transitions to a knowledge-based economy – and becomes yet more independent from the oil and gas sector (oil is currently still being traded not in AED, but in USD). On the contrary, it will become more and more important for the Government to have monetary policy at its free disposal to target inflation, shun too heavy reliance on taxes, and avoid situations where decisions on exchange rates and interest rates contradict fiscal policy measures – as has been the case in recent years, where monetary policy has limited fiscal policy effects on economic expansion.