How much is the effect of oil prices this year? What would be the advantages and disadvantages with low oil prices for business growth?

bad effect special on country steal dependent on it

Thanks 

In my opinion, it will effect on new jobs amount and jobs budgets that will lead to increasing the unemployment and decreasing the public expenditures

And if we would talk about advantages we can say, citizen can buy oil, gas, solar by low prices   

Actually oil rich countries were not prepared for such extreme low prices,this brought huge shrinking of businesses and job cuts and less spending on business growth.Till the oil prices not reach 75 dollars per barrels,  regain market stability will take time.This low oil prices gave lesson to oil rich countries that now  not to depend on oil income and explore new alternative solutions to combat this unexpected decline in future. International politics also behind for such situation.Other oil rich countries should adapt the polices such as for example Dubai Ruler HH Sheikh Rashid.