Wharton Research Data Services (WRDS) is a web-based business data research service from The Wharton School at the University of Pennsylvania.

We recently subscribed to the Accounting and Oversight Modules provided by Audit Analytics. Audit Analytics is a premium intelligence service company providing independent research to the investment, accounting, insurance, legal, regulatory and academic communities.

Audit Analytics Accounting and Oversight gives you access to following datasets:
1:  Auditor Ratification : Easily monitor auditor ratification votes for every US public company

2:  Changes in Accounting Estimates: Find out whenever a company discloses a change in accounting estimate that will affect earnings

3:  Impairment: Search impairments files by domestic SEC registrants since 2009

4:  Critical Audit Matters: Discover what financial statement issues and concerns are most significant to auditors

Faculty and Students can now quickly and easily request access using the Academic User Registration site. Check this Getting Started Guide to see how to get access to WRDS.