The
prices of oil had increased by over 50 percent in the second half of the year
2017, with Brent hovering about 70 dollars per barrel much of January 2018.
Limited supply and rising demand are the two main factors that had helped the
oil prices in recent months. Increasing in oil prices is the good source for
Saudi Arabia to generating the more productivity for growing the GDP. By the
currency reserves the Saud Arabia is burning rapidly as well as from the GDP
7.3% of the budget deficit is running. In the last few months some dramatics
turn have been taken by Saudi Arabia’s regional and domestic’s politics (Cappelen
2017).

Source= https://www.cmegroup.com/education/featured-reports/oil-economic-landscape-of-saudi-arabia.html
References of Increasing world oil price of Saudi Arabia’s Currency and the U.S. Dollar
Blanchard, O. J., & Riggi, M. 2013. ". Why
are the 2000s so different from the 1970s? A structural interpretation of
changes in the macroeconomic effects of oil prices." Journal of the
European Economic Association 11 (5): 1032-1052.
Cappelen, Å., & Choudhury, R. 2017. ". The
Future of the Saudi Arabian Economy Possible Effects on the World Oil Market.
Oil in the Gulf: ." Obstacles to Democracy and Development, 41-62.
Hussain, M., Zebende, G. F., Bashir, U., &
Donghong, D. 2017. ". Oil price and exchange rate co-movements in Asian
countries: Detrended cross-correlation approach. Physica A:." Statistical
Mechanics and its Applications 46 (5): 338-346.
SRSROCCO. 2017. Low Oil Prices Continue To
Decimate Saudi Arabia’s Currency Reserves. IN ECONOMY, ENERGY, NEWS.
Wilson, P. W., & Graham, D. F. 2016. Saudi
Arabia: The Coming Storm: The Coming Storm. Routledge.