Friedrich, Christian ; Quick, Reiner ; Schmidt, Florian (2024)
Auditor‐provided non‐audit services and perceived audit quality: Evidence from the cost of equity and debt capital.
In: International Journal of Auditing, 2022, 28 (2)
doi: 10.26083/tuprints-00027121
Article, Secondary publication, Publisher's Version

Friedrich, Christian (2022)
Consolidation of Urban Freight Transport – Models and Algorithms.
Technische Universität Darmstadt
doi: 10.26083/tuprints-00021423
Ph.D. Thesis, Primary publication, Publisher's Version

Friedrich, Christian (2021)
Corporate Misconduct and the Impact of Market Forces, Regulatory Change, and Auditor-Provided Services.
Technische Universität Darmstadt
doi: 10.26083/tuprints-00017546
Ph.D. Thesis, Primary publication, Publisher's Version