Research and Interest Areas

• Strategic capital market communication


• Equity-based incentive systems for executives and employees


• Implications of board structure


• Environmental performance and strategies


• Digital transformation

Courses Taught

• Performance Management


• Controlling in the Digital Age


• Master's Seminar "Management and Controlling"

Peer-Reviewed Publications

• Firk S.; Hennig J.C.; Wolff M. (2021): "Conference Calls: Making Them Active” in: Controlling & Management Review Vol. 65 No. 1 pp. 30-38.


• Firk S.; Hennig J.C.; Wolff M. (2020): "Value Creation Potential of Earnings Conference Calls" in: Die Wirtschaftsprüfung (WPg) Vol. 13 pp.762-767


• Firk S.; Hennig J.C.; Wolff M. (2020): "Can the Balanced Scorecard Help in Designing Conference Calls? The Effect of Balanced Information Composition on the Cost of Capital" in: European Accounting Review Vol. 29 No. 1 pp.115-146


• Firk S.; Hennig J.C.; Wolff M. (2019): “The Value Creation Potential of Earnings Conference Calls” in: GoingPublic Vol. June pp.38-39


• Rapp M.; Wolff M.; Hennig J.; Udoieva I. (2018): “Employee Representation on the Supervisory Board and Its Impact on Corporate Governance – An Empirical Analysis in Light of the Financial and Economic Crisis“ in: Study Series of the Hans Böckler Foundation Vol. June No. 424 pp.1-86


• Hennig J.; Rapp M.S.; Wolff M. (2018): “Board-Level Employee Representation in Germany: Framework, Power, and Priorities of Board-Level Employee Representatives” in: European Board-Level Employee Representation ed. by J. Waddington

Refereed Conference Proceedings

• 2021 – Annual Conference of the International Corporate Governance Society (ICGS) Groningen (Netherlands) - "Substance in the Nomination Committee – How to Oppose Powerful CEOs in Audit Committee Appointments" (Hennig J.; Kemmerich K.; Wolff M.)


• 2021 – Annual Conference of the International Corporate Governance Society (ICGS) Groningen (Netherlands) - "Walking a Tightrope - CEO Digital Emphasis and Dismissal" (Firk S.; Hennig J.; Meyer H.; Wolff M.)


• 2021 – Annual Conference of the Strategic Management Society (SMS) - “New CEOs Strategic Topic Setting – The Use of Impression Management in Capital Market Communication” (Hennig J.; Lang M.; Wolff M.)


• 2021 – Annual Conference of the American Accounting Association (AAA) - “Substance in the Nomination Committee - How to Oppose Powerful CEOs in Audit Committee Appointments” (Hennig J.; Kemmerich K.; Wolff M.)


• 2021 – Annual Conference of the Academy of Management (AoM) - “Too Good to Be True: Impression Management and Integrity's Self-Governing Mechanism in M&As” (Bauer J.C.; Hennig J.)


• 2021 – Annual Conference of the American Accounting Association (AAA) - "Integrity's Self-Governing Mechanism in the Voluntary Disclosure around Mergers and Acquisitions” (Bauer J.C.; Hennig J.)


• 2021 – Research Seminar at the Department of Accounting, University of Groningen - "Walking a Tightrope - CEO Digital Emphasis and Dismissal" (Firk S.; Hennig J.; Meyer H.; Wolff M.)


• 2021 – Research Seminar at the Center for Corporate Governance, Copenhagen Business School - "Walking a Tightrope - CEO Digital Emphasis and Dismissal" (Firk S.; Hennig J.; Meyer H.; Wolff M.)


• 2021 – Annual Conference of the European Accounting Association (EAA) - “Substance in the Nomination Committee - How to Oppose Powerful CEOs in Audit Committee Appointments” (Hennig J.; Kemmerich K.; Wolff M.)


• 2021 – Annual Conference of the European Accounting Association (EAA) - "Walking a Tightrope - CEO Digital Emphasis and Dismissal" (Firk S.; Hennig J.; Meyer H.; Wolff M.)


• 2020 – Annual Conference of the European International Business Academy (EIBA) virtual - “Institutional Determinants of Competitive Repertoire Complexity: The Influence of Institutions in Home Countries of Firms and Foreign Investors” (Heigermoser J.; Hennig J.; Oehmichen J.; Steinberg P.)


• 2020 – Annual Conference of the Academy of Management (AoM) virtual - “How to Boost Participation in Employee Ownership Plans - A Contextual Analysis of Profit Sharing” (Hullmann R.; Hennig J.)


• 2020 – Kelso Workshop Institute for the Study of Employee Ownership and Profit Sharing, Rutgers University (USA) - “Boundaries to Workplace Peer Influences in Employee Stock Purchase Plans” (Gregoric A.; Hennig J.; Hullmann R.; Wolff M.)


• 2019 – Industry and Labor Economics Workshop/International Seminar, Institute of Economic Research, Hitotsubashi University (Japan) - "Boundaries of Peer Effects: Cultural Peers and Employee Ownership" (Hennig J.; Hullmann R.; Gregoric A.; Wolff M.)


• 2019 – Annual Conference of the Academy of Management (AoM) Boston (USA) - "Peer Effects in Employees' Decisions Not to Participate in Beneficial ESOPs - A Multilevel Analysis" (Hennig J.; Hullmann R.; Wolff M.)


• 2019 – Annual Conference of the American Accounting Association (AAA) San Francisco (USA) - "Investor Reactions to Abnormal Tone and the Role of Manager-Specific Linguistic Context Factors” (Firk S.; Hennig J.; Wolff M.)


• 2019 – ERMAC 2019 Summer School and Research Conference, Vienna (Austria) - “Just Wait and See? How to Manage Impressions Around M&As” (Firk S.; Hennig J.)


• 2019 – Annual Conference of the Association of University Professors of Management (VHB) Rostock (Germany) - “Investor Reactions to Managers’ Use of Abnormal Tone and the Role of Linguistic Manager-Specific Context Factors” (Firk S.; Hennig J.; Wolff M.)


• 2019 – Annual Conference of the European Accounting Association (EAA) Paphos (Cyprus) - “The Analyst and Investor Environment as a Governance Mechanism and Firms’ Decision to Hold M&A-Related Conference Calls” (Hennig J.)


• 2018 – Annual Conference of the Academy of Management (AoM) Chicago (USA) - "Investors' Misinterpretation of Managers' Tone - An Analysis of Manager-Specific Context Factors" (Hennig J.)


• 2018 – Annual Conference of the European Accounting Association (EAA) Milan (Italy) - "Investor Reactions to Managers' Use of Abnormal Tone and the Role of Linguistic Manager-Specific Context Factors" (Hennig J.)


• 2018 – Annual Conference of the Association of University Professors of Management (VHB) Magdeburg (Germany) - "Balanced Information Composition in Conference Calls and the Cost of Capital" (Firk S.; Hennig J.; Wolff M.)


• 2017 – Annual Conference of the American Accounting Association (AAA) San Diego (USA) - "Information Provision in Conference Calls and the Cost of Capital: An Analyst-Based Perspective" (Firk S.; Hennig J.; Wolff M.)


• 2017 – Annual Conference of the European Accounting Association (EAA) Valencia (Spain) - "Information Provision in Conference Calls and the Cost of Capital: An Analyst-Based Perspective" (Firk S.; Hennig J.; Wolff M.)


• 2016 – Annual Conference of the American Accounting Association (AAA) New York (USA) - "Think Before You Speak - The Effect of Conference Call Style on the Cost of Equity Capital" (Firk S.; Hennig J.; Wolff M.)


• 2016 – Annual Conference of the Academy of Management (AoM) Anaheim (USA) - "Think Before You Speak - The Effect of Conference Call Style on the Cost of Equity Capital" (Firk S.; Hennig J.; Wolff M.)