tailieunhanh - UNITED STATES SECURITIES AND EXCHANGE COMMISSION - PZENA INVESTMENT MANAGEMENT

These individual priors play a bigger role when investors are unfamiliar with the stock market or lack data to assess it. But they are unlikely to fade away even with experience and data. If trust is sufficiently low, very few will participate and accumulate enough information to update a (possibly wrong) prior. Furthermore, when mistrust is deeply rooted, people may be doubtful about any information they obtain and disregard it in revising their priors. For example, data from a 2002 Gallup poll show that roughly 80 percent of respondents from some Muslim countries (Pakistan, Iran, Indonesia, Turkey, Lebanon, Morocco, Kuwait, Jordan, and Saudi Arabia) do not believe. | UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON . 20549 FORM 10-Q x Quarterly report pursuant to Section 13 or 15 d of the Securities Exchange Act of 1934 For the Quarterly Period Ended March 31 2011 Or Transition report pursuant to Section 13 or 15 d of the Securities Exchange Act of 1934 For the transition period from to Commission file number 001-33761 PZENA INVESTMENT MANAGEMENT INC. Exact Name of Registrant as Specified in its Charter Delaware 20-8999751 State or Other Jurisdiction of . Employer Incorporation or Organization Identification No. 120 West 45th Street New York New York 10036 Address of Principal Executive Offices Zip Code Registrant s telephone number including area code 212 355-1600 Not Applicable Former name former address and former fiscal year if changed since last report Indicate by check mark whether the registrant 1 has filed all reports required to be filed by Section 13 or 15 d of the Securities Exchange Act of 1934 during the preceding 12 months or for such shorter period that the registrant was required to file such reports and 2 has been subject to such filing requirements for the past 90 days. Yes x No Indicate by check mark whether the registrant has submitted electronically and posted on its corporate web site if any every Interactive Date File required to be submitted and posted pursuant to Rule 405 of Regulation S-T during the preceding 12 months or for such shorter period that the registrant was required to submit and post such files . Yes No Indicate by check mark whether the registrant is a large accelerated filer an accelerated filer a non-accelerated filer or a smaller reporting company. See the definitions of large accelerated filer accelerated filer and smaller reporting company in Rule 12b-2 of the Exchange Act. Large accelerated filer Accelerated filer x Non-accelerated filer Smaller reporting company Do not check if a smaller reporting company Indicate by check mark whether the registrant is a shell .