The crisis of basic materials such as oil, steel, ... has made its price increase (because rarely go) and it has pushed the cost of production increases. Generally the increase in production costs due to several causes, even an increase in administrative costs or other production costs outside also make the cost of production increased and so it pushes up prices.
We can say this is the cause of inefficient production, capital spending more but the record does not rise or rise very slowly compared to the growth rate of costs
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