Exhibit 23.1
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We hereby consent to the incorporation by reference in this Registration Statement on Form S-3 of our report dated February 27, 2015 relating to the financial statements and the effectiveness of internal control over financial reporting, which appears in MSCI Inc.'s Annual Report on Form 10-K for the year ended December 31, 2014. We also consent to the reference to us under the heading “Experts”in such Registration Statement.
/s/ PricewaterhouseCoopers LLP
New York, New York
August 4, 2015
