The unit for measuring changes in prices and output is called ________ index. By: Sunday|Published on: May 2|Categories: Economics NECO| 0 comments A. capital B. expenditure C. income D. money E. price Correct Answer: Option E – price Users Also Read These:The formula index of export prices/index of import…An instrument of measuring wind speed is called?The most common index for measuring developments is?Output restriction, fixing of prices, creating…The instrument used for measuring relative humidity…SEE ALSO Oil was first discovered in commercial quantity in _______ State.