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Recent Journal Publications by COB Faculty

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Academic Journal
Finance

“Venture Capital, Ownership Structure, Accounting Standards and IPO Underpricing: Evidence from Germany”

This study investigates the impact of venture capital (VC), ownership structure, and accounting standards on initial public offering (IPO) underpricing in Germany. Using data from Germany's Neuer Markt (NM), we test two key hypotheses regarding IPO underpricing; first, whether VC ownership and higher levels of post-IPO insider ownership result in lower underpricing, and second, whether additional information disclosure results in lower underpricing. Besides the standard underpricing measure, we also use a modified underpricing measure to better assess true entrepreneurial wealth loss. Robust findings indicate that none of these factors are significant in lowering IPO underpricing, which suggests the importance of examining standard theories within alternative institutional environments. Results are consistent with the stylized fact that Germany's NM firms had relatively minimal use of VC financing, which may point to not only a weaker role for venture capitalists in Germany but fewer incentives to reduce information asymmetry arising from outside ownership.

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“Visualizing Aggregated Biological Pathway Relations”

The Genescene development team has constructed an aggregation interface for automatically-extracted biomedical pathway
relations that is intended to help researchers identify and process relevant information from the vast digital library of abstracts found in the National Library of Medicine’s PubMed collection.
Users view extracted relations at various levels of relational granularity in an interactive and visual node-link interface. Anecdotal feedback reported here suggests that this multigranular visual paradigm aligns well with various research tasks,
helping users find relevant articles and discover new information.
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Academic Journal
BIS

“Visualizing Basic Accounting Flows: Does XBRL + Model + Animation = Understanding?”

The usefulness of XBRL (eXtensible Business Reporting Language) in facilitating efficient data sharing is clear, but widespread use of XBRL also promises to support more effective analysis processes. This format should allow managers, investors, regulators, and students to aggregate, compare and analyze financial information. This study explores an XBRL-based visualization tool that maps the organization of financial statements captured in the XBRL formalism into a graphical representation that organizes, depicts, and animates financial data. We show that our tool integrates and presents profitability, liquidity, financing, and market value data in a manner recognizable to business students. Our findings suggest the promise of XBRL-based visualization tools both in helping students grasp basic accounting concepts and in facilitating financial analysis in general.
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BIS

“Visualizing basic accounting flows: does XBRL + model + animation = understanding?”

The usefulness of XBRL (eXtensible Business Reporting Language) in facilitating efficient data sharing is clear, but widespread use of XBRL also promises to support more effective analysis processes. Representing traditional financial statements in this electronic and interoperable format should allow managers, investors, regulators, and importantly students to aggregate, compare and analyze financial information. Processing such data requires an understanding of the underlying paradigms embedded in consolidated sets of financial statements. This work explores the feasibility and effectiveness of an XBRL-based visualization tool, presenting an organizational framework, mapping that framework to financial statements and the XBRL formalism, and demonstrating a visual representation that organizes, depicts, and animates financial data. We show that our tool integrates and presents profitability, liquidity, financing, and market value data in a manner recognizable to business students in introductory financial accounting classes. This preliminary finding suggests the promise of XBRL-based visualization tools both in helping students grasp basic accounting concepts and in facilitating financial analysis in general.
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