Tzachi Zach

Tzachi Zach joined the department of Accounting and Management Information Systems in 2008. Tzachi arrived from Washington University in St. Louis, where he spent six years. He has a PhD in Business Administration (Accounting) from the Simon School of Business at the University of Rochester. Tzachi grew up in Israel, where he obtained his B.A. and M.A from Tel Aviv University.

Tzachi’s research interests include financial reporting and its relation to capital markets, earnings management, managerial incentives and empirical accrual models. Tzachi’s research has been published in The Accounting Review, Journal of Accounting, Auditing and Finance, Review of Financial Studies, Review of Accounting Studies and Journal of Accounting & Economics. He has served as an ad-hoc reviewer for the Journal of Accounting and Economics, The Accounting Review, Journal of Accounting Research, Contemporary Accounting Research, Review of Accounting Studies, Review of Finance and Journal of Finance.

Tzachi's teaching interests are in financial accounting. At Fisher, Tzachi teaches the introductory financial accounting course in the Honors Program. In addition, Tzachi teaches Accounting Policy & Research in the Master of Accounting (MACC) program. This is a unique course that introduces students to academic accounting research. At Fisher, Tzachi won the 2011 Undergraduate Teaching Award. At Washington University, Tzachi won two Reid Teaching Awards and was also granted the Reid Chair by senior faculty for his excellence in teaching.

AWARDS

• EY MAcc Teacher of the year, 2013.
• Alpha Kappa Psi Fisher College of Business Faculty Member of the Year, Ohio State University, 2011.
• Undergraduate Program Teaching Award, Fisher College of Business, Ohio State University, 2011

• Zach, Tzachi,  Mathew Zuparic and Duy Khuu. Information theory and player archetype choice in Hearthstone. Information Sciences 559 (2021), 236-250. 
• Zach, Tzachi, Ohad Kadan, Leonardo Madureira and Rong Wang. Sell Side Analysts' Benchmarks. The Accounting Review 95.1 (2020) :211-232. Download Benchmark Data
• Zach, Tzachi, Daniel Cohen,Shail Pandit, and Charles Wasley. Measuring Real Activity Management. Contemporary Accounting Research 37.2 (2020): 1172-1198. 
• Zach, Tzachi, Anne Beatty, Lin Cheng. Non-recurring items in debt contracts. Contemporary Accounting Research 36.1 (2019): 139-167. 
• Zach, Tzachi,  Zahn Bozanic and Lin Cheng. Soft Information in Loan Agreements. Journal of Accounting, Auditing, and Finance 33.1 (2018): 40-71. 
• Zach, Tzachi, Nicholas Dopuch, Raj Mashruwala, and Chandra Seethamraju. "The Impact of a Heterogenous Accrual-Generating Process on Empirical Accural Models."  Journal of Accounting, Auditing and Finance. 27.3 (2012): 386-411.
• Zach, Tzachi, Ohad Kadan, Leonardo Maduiera, and Rong Wang. “Analysts’ Industry Expertise.” Journal of Accounting and Economics. 54.2 (2012): 95-120.
• Zach, Tzachi, Daniel Cohen, and Thomas Lys. (Book Chapter). “Net Stock Anomalies.” Handbook of Investment Anomalies: Translating Market Inefficiencies into Effective Investment Strategies. Ed. Leonard Zacks. John Wiley Publishing, 2011. Page 129.
• Zach, Tzachi, Daniel Cohen, Masako Darrough, and Rong Huang. “Warranty Reserve: Contingent Liability, Informational Signal, or Earnings Management Tool?” The Accounting Review. 86.2 (2011): 569-604.
• Zach, Tzachi, Shail Pandit, and Charles Wasley. "Information Externalities along the Supply Chain: The Economic Determinants of Suppliers’ Stock Price Reaction to their Major Customers’ Earnings Announcements. Contemporary Accounting Research. 28.4 (2011): 1304-1343.
• Zach, Tzachi, Shail Pandit, and Charles Wasley. “The Effect of R&D Inputs and Outputs on the Relation between the Uncertainty of Future Operating Performance and R&D Expenditures.” Journal of Accounting, Auditing and Finance. 26 (2011): 121-144.
• Zach, Tzachi, Daniel Cohen, and Raj Mashruwala. “The Use of Advertising Activities to Meet Earnings Benchmarks: Evidence from Monthly Data.” Review of Accounting Studies. 15.4 (2010): 808-832.
• Zach, Tzachi, Richard Frankel, and Chandra Seethamraju. “GAAP goodwill and debt contracting efficiency: Evidence from net-worth covenants.” Review of Accounting Studies. 13.1 (2008): 87-118.
• Zach, Tzachi, S.P. Kothari, and Jowell Sabino. “Implications of survival and data trimming on tests of market efficiency.” Journal of Accounting & Economic. 39.1 (2008): 129-161.
• Zach, Tzachi. “Political events and the stock market: Evidence from Israel.” International Journal of Business. 8.3 (2003): 243-266.

• Audit Quality in the Face of a Crisis: Evidence from the Audit Inspection Scandal, October 2022, co-authored with Francine McKenna, Mikhail Pevzner and Amy Sheneman. 
• Sell-Side Analysts’ Assessment of ESG Risk, March 2023, co-authored with Min Park and Aaron Yoon. 
• Auditor-Client Fit: A New Measure of Audit Quality, December 2022, co-authored with Mert Erinc.
• What Drives the Value of Analysts’ Advice? The Role of Earnings and Growth Forecasts, April 2022, co-authored with Ohad Kadan, Leonardo Madureira and Rong Wang.
• Deconstructing the PCAOB: Using organizational economics to assess the state of a regulator, June 2022, co-authored with Francine McKenna, Mikhail Pevzner and Amy Sheneman.