High and persistent inflation is caused by ?

A. OPEC raising the price of oil too much

B. regulations raising the cost of production too much

C. governments increasing the quantity of money too much

D. unions increasing wages too much

Found an error? Read our corrections policy and submit a sourced correction below. You can also share a useful explanation in your own words.

Discuss the answer or suggest a sourced correction
Thank you for contributing.
Your comment was submitted and will appear after editorial review.

Your email is used only for moderation and is never displayed. Spam, copied material and fabricated endorsements are rejected.