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- June 2024
- Article
The Monitoring Role of Social Media
By: Jonas Heese and Joseph Pacelli
In this study, we examine whether social media activity can reduce corporate misconduct. We use the staggered introduction of 3G mobile broadband access across the United States to identify exogenous increases in social media activity and test whether access to 3G... View Details
- April 2024 (Revised May 2024)
- Exercise
Creating Value at ForgeCo with McKinsey's Valuation Approach
By: Jonas Heese, Tim Koller and Susan Nolen Foushee
- March 2024
- Teaching Note
Post-Wirecard: BaFin under Mark Branson
By: Jonas Heese
Teaching Note for HBS Case No. 124-078. View Details
- March 2024
- Module Note
Accounting Standards for the 21st Century
By: Jonas Heese
Over the past two decades, accounting standards have evolved to meet the demands of a rapidly changing business environment. This module note focuses on understanding the impact of these standards on measuring firm performance and financial position in the context of a... View Details
- February 2024
- Course Overview Note
The Anatomy of Fraud
By: Jonas Heese
Corporate fraud remains a serious problem. Learning how to detect and prevent it, and make better investment decisions, has broad applicability for private and public market investors, as well as for people joining or running companies. This course note describes a... View Details
- February 2024
- Supplement
Ball: EVA Driving the World's Leading Can Manufacturer (A) Student Spreadsheet Supplement
By: Jonas Heese
- January 2024
- Case
Post-Wirecard: BaFin under Mark Branson
By: Jonas Heese, Carlota Moniz and Daniela Beyersdorfer
In November 2023, Mark Branson, the head of Germany's Federal Financial Supervisory Authority (BaFin), reflected on the efficacy of the reforms initiated since the Wirecard scandal. BaFin had been discredited after Wirecard’s downfall in 2020. The press had derided it... View Details
- January 2024
- Teaching Note
Ball: EVA Driving the World’s Leading Can Manufacturer (A) – (C)
By: Jonas Heese
Teaching Note for HBS Case Nos. 124-002, 124-003, and 124-004. View Details
- January 2024
- Teaching Note
Icahn Enterprises: Ponzi Scheme or Sound Investment
By: Aiyesha Dey and Jonas Heese
Teaching Note for HBS Case No. 124-013. View Details
- December 2023
- Case
The Valuation Multiple Detective
By: Jonas Heese, Paul M. Healy and Pietro Bonetti
- December 2023
- Supplement
Viceroy Research versus Medical Properties Trust
By: Jonas Heese and Joseph Pacelli
- December 2023
- Teaching Note
Viceroy Research versus Medical Properties Trust
By: Jonas Heese and Joseph Pacelli
Teaching Note for HBS Case No. 124-027. View Details
- December 2023
- Teaching Note
Dan McCrum - Unmasking Wirecard
By: Jonas Heese and Charles C.Y. Wang
Teaching Note for HBS Case No. 123-098. View Details
- December 2023
- Supplement
Accounting for Loan Losses at JPMorgan Chase: Predicting Credit Costs
By: Jonas Heese and Jung Koo Kang
- December 2023
- Teaching Note
The Rise and Fall of FTX
Teaching Note for HBS Case No. 124-014. View Details
- November 2023
- Teaching Note
Accounting Outages at Plug Power? (A), (B), and (C)
By: Jonas Heese and Joseph Pacelli
Teaching Note for HBS Case Nos. 124-009, 124-018, and 124-019. View Details
- November 2023 (Revised October 2024)
- Supplement
Accounting Outages at Plug Power? (C)
By: Jonas Heese, Joseph Pacelli and James Barnett
Set in June 2023, the C case explores Plug Power’s recovery from its financial restatements, how it benefited from government subsidies, and new strategic alliances. View Details
- November 2023
- Article
When Executives Pledge Integrity: The Effect of the Accountant's Oath on Firms' Financial Reporting
By: Jonas Heese, Gerardo Pérez Cavazos and Caspar David Peter
We study the effect of executives’ pledges of integrity on firms’ financial reporting outcomes by exploiting a 2016 regulation that requires holders of Dutch professional accounting degrees to pledge an integrity oath. We identify chief executive officers (CEOs) and... View Details
- October 2023
- Teaching Note
Accounting for Loan Losses at JPMorgan Chase: Predicting Credit Costs
By: Jonas Heese and Jung Koo Kang
Teaching Note for HBS Case No. 123-042. View Details