Publications

October 2024
Supplement

Boba Fete Tea Shop – Student Worksheet

By: Charles C.Y. Wang and Miles Mrowiec

October 2024
Case

Boba Fete Tea Shop

By: Charles C.Y. Wang and Miles Mrowiec

September 2024
Supplement

Wemade: (Re)Establishing Trust in Blockchain Games (B)

By: Jung Koo Kang, Charles CY Wang, David Allen and Kwangmoon So

This supplement reviews Wemade's efforts to rebuild confidence in its business after its WEMIX coin was delisted from the major South Korean cryptocurrency exchanges on December 8, 2022. It outlines Wemade's strategy of transparency, which included partnerships with... View Details

Keywords: Blockchain; Cryptocurrency; Crypto Economy; Video Games; Accounting; Financial Reporting; Revenue Recognition; Games, Gaming, and Gambling; Corporate Disclosure; Information Technology; Accounting Industry; South Korea

June 2024
Case

Wemade: (Re)Establishing Trust in Blockchain Games (A)

By: Jung Koo Kang, Charles CY Wang, David Allen and Kwangmoon So

This case explores the fundamental challenges and accounting issues arising from the integration of blockchain technology into traditional business models. It features Wemade, a South Korean online gaming company that has staked its future on blockchain-based games.... View Details

Keywords: Blockchain; Cryptocurrency; Video Games; Accounting; Financial Reporting; Revenue Recognition; Games, Gaming, and Gambling; Corporate Disclosure; Information Technology; Technology Adoption; Accounting Industry; Information Technology Industry; Video Game Industry; South Korea

May 2024
Case

A New Aiera for Equity Research

By: Joseph Pacelli, Charles CY Wang and James Barnett

Aiera (pronounced “era”) co-founder and CEO Ken Sena considers strategic pathways to growth for the artificial intelligence (AI)-powered platform used to source, verify, and transcribe earnings calls, company presentations, and other corporate events. View Details

Keywords: Financial Reporting; Financial Statements; Business Startups; Entrepreneurship; AI and Machine Learning; Growth and Development Strategy; Accounting Industry; Financial Services Industry; Technology Industry; United States

May 9, 2024
Editorial

Public Companies Are Alive and Well: They’re Fewer in Number but Bigger and More Profitable than Ever Before.

By: Mark J. Roe and Charles C.Y. Wang

Keywords: Public Ownership; Economy; United States

Find at Harvard

Register to Read

April 2024 (Revised August 2024)
Teaching Note

Silicon Valley Bank: Gone in 36 Hours

By: Jung Koo Kang, Krishna G. Palepu and Charles C.Y. Wang

Teaching Note for HBS Case No. 124-001. View Details

Keywords: Accounting Standards; Bank Runs; Financial Accounting; Financial Reporting; Social Media; Banks and Banking; Financing and Loans; Investment Portfolio; Interest Rates; Debt Securities; Risk and Uncertainty; Financial Statements; Risk Management; Financial Services Industry; United States

January 2024 (Revised August 2024)
Case

Silicon Valley Bank: Gone in 36 Hours

By: Jung Koo Kang, Krishna G. Palepu, Charles C.Y. Wang and David Lane

This case examines factors contributing to the collapse of Silicon Valley Bank (SVB) in March 2023, an event as unpredicted as it was quick. SVB funded nearly half of all U.S. venture-backed startups and at the end of 2022 held $173 billion in deposits, largely... 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

June 2023
Case

Dan McCrum - Unmasking Wirecard

By: Jonas Heese, Charles C.Y. Wang, Tonia Labruyere and Carlota Moniz

Dan McCrum, an investigative journalist for the Financial Times, had spent the past six years fighting to expose German payment processing firm Wirecard. The company had enjoyed years of exponential growth and was viewed by several investors as the poster child of... View Details

Keywords: Crime and Corruption; Accounting; Financial Services Industry; Journalism and News Industry; Europe; United Kingdom; Germany

January 2023
Case

Identifying Quality Stocks using Quantitative Screens

By: Charles CY Wang and Johnson Elugbadebo

August 10, 2022
Article

The Virtues of Stock Buybacks

By: Jesse M. Fried and Charles C.Y. Wang

Keywords: Stock Buybacks

Register to Read

Article

How Much Should We Trust Staggered Difference-In-Differences Estimates?

By: Andrew C. Baker, David F. Larcker and Charles C.Y. Wang

We explain when and how staggered difference-in-differences regression estimators, commonly applied to assess the impact of policy changes, are biased. These biases are likely to be relevant for a large portion of research settings in finance, accounting, and law that... View Details

Keywords: Difference In Differences; Staggered Difference-in-differences Designs; Generalized Difference-in-differences; Dynamic Treatment Effects; Mathematical Methods

March 2022
Module Note

Corporate Governance in Business Analysis and Valuation

March 2022
Supplement

Turkcell Instructor Template

March 2022
Supplement

Turkcell Student Template

March 2022
Teaching Note

Asian Corporate Governance Association: Stemming a 'Race to the Bottom' by Stock Exchanges? (TN)

Article

Expected Stock Returns Worldwide: A Log-Linear Present-Value Approach

By: Akash Chattopadhyay, Matthew R. Lyle and Charles C.Y. Wang

This study provides the first large-scale study of the performance of expected-return proxies (ERPs) internationally. Analyst-forecast-based ICCs are sparsely populated and not robustly associated with future returns. Earnings-model-forecast-based ICCs are... View Details

Keywords: Expected Returns; Discount Rates; Fundamental Valuation; Implied Cost Of Capital; International Equity Markets; Present Value; Investment Return; Equity; Markets; Global Range

SSRN

Find at Harvard

February 2022
Teaching Note

Introducing EVA at ISS: A Better Way to Evaluate CEO Performance and Compensation?

By: Jonas Heese and Charles C.Y. Wang