Working paper series / Johann-Wolfgang-Goethe-Universität Frankfurt am Main, Fachbereich Wirtschaftswissenschaften : Finance & Accounting
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018
Wir verwenden eine neue, auf der Burr-Verteilung basierende Spezifikation aus der Familie der Autoregressive Conditional Duration (ACD) Modelle zur ökonometrischen Analyse der Transaktionsintensitäten während der Börseneinführung (IPO) der Deutsche Telekom Aktie. In diesem Fallbeispiel wird die Leistungsfähigkeit des neu entwickelten Burr-ACD-Modells mit den Standardmodellen von Engle und Russell verglichen, die im Burr-ACD Modell als Spezialfälle enthalten sind. Wir diskutieren außerdem alternative Möglichkeiten, Intra- Tagessaisonalitäten der Handelsintensität in ACD Modellen zu berücksichtigen.
17
Compliance with prevailing accounting standards is induced if the expected disadvantage due to sanctions imposed if non-compliance is detected outweighs the advantage of noncompliant accounting choices. The expected disadvantage materialises the threat potential of sanctions imposed by an enforcement agency. The capital market mechanism unfolds an important threat potential if companies expect an adverse share price reaction suite to enforcement actions. Enforcement agencies in turn can make use of this capital market related sanction by releasing information on defections to the market after the settlement of an investigation. The present contribution analyses the capital market reaction on accounting standards enforcement activities of the British Financial Reporting Review Panel (FRRP). After a brief introduction into the legal basis and working procedure of the Panel, the analysis of its activities will serve a dual purpose: firstly, the significance of capital market related sanctions for the overall enforcement regime will be elaborated upon. Secondly, the extent to which capital market related sanctions accomplish their function within the overall enforcement regime will be assessed empirically. The results of the empirical analysis suggest that the capital market related sanctioning by the FRRP may not unfold a sufficient threat potential which is a prerequisite for compliance enhancement.
16
Der Neue Markt soll wachstumsorientierten Unternehmen den Zugang zur Börse eröffnen. Die für dieses Marktsegment neu geschaffene Institution des Betreuers soll Vorbildcharakter für andere Marktsegmente haben. In der vorliegenden Arbeit werden Vor- und Nachteile des Betreuer-Konzeptes erarbeitet. Die daraus abgeleiteten Fragen werden empirisch untersucht. Dabei zeigt sich, daß der Neue Markt eine hohe Handelsintensität und niedrige Geld-BriefSpannen aufweist. Auch eine schriftliche Befragung der notierten Unternehmen ergab eine positive Einschätzung des neuen Marktsegments.
Überlegungen zur Profitabilität der Betreuer-Funktion deuten darauf hin, daß diese nicht an sich profitabel ist. Es findet offenbar eine Quersubventionierung aus Erträgen des Emissionsgeschäftes statt. Diese Abhängigkeit sollte berücksichtigt werden, wenn die Übertragung des Betreuerkonzepts auf andere Marktsegmente diskutiert wird.
15
Seit zwanzig Jahren befaßt sich die Finanzmarktforschung einerseits mit Fragen der Bewertung und des Managements von Finanztiteln auf effizienten Kapitalmärkten und mit Fragen der Managementkontrolle auf unvollkommenen Märkten. Der folgende selektive Überblick konzentriert sich auf zentrale Aspekte der Theorie und Empirie der Managementkontrolle bei asymmetrischer Information. Ziel ist die Auseinandersetzung mit der unlängst vorgetragenen These zu den Mythen der Unternehmenskontrolle (Martin Hellwig 1997). Der aktuelle Überblick wird entwickelt vor dem Hintergrund der Gutenberg’schen Position eines eigenständigen Unternehmensinteresses, losgelöst von den Interessen der shareholder oder anderer stakeholder. Diese Position von Gutenberg verbindet sich im dritten Band der „Grundlagen der BWL: Die Finanzen“ von 1969 mit der Forderung nach Einhaltung eines sog. finanziellen Gleichgewichts. Erst in jüngster Zeit werden auch kapitalmarkttheoretisch fundierte Modelle entwickelt, die auch Raum bieten für eine Autonomie des Managements gegenüber dessen stakeholders.
14
Die mit unterschiedlichen Organisationsformen des Wertpapierhandels einhergehende Liquidität und ihre Messung ist eine der zentralen Fragen im Zusammenhang mit der Gestaltung von Wertpapiermärkten. Zunächst wird die Eignung verschiedener in der Literatur vorgeschlagener Liquiditätsmaße diskutiert. Anhand einer Serie von Marktexperimenten wird dann die Liquidität der grundsätzlichen Ausgestaltungsformen des Wertpapierhandels - Gesamtkursermittlung, kontinuierliche Auktion und Market-Maker-System - miteinander verglichen.
Sowohl das Handelsvolumen als auch das von ROLL (1984) vorgeschlagene Maß sind offenbar für den Vergleich der Liquidität unterschiedlich organisierter Wertpapiermärkte nicht geeignet. Eine aufgrund theoretischer Überlegungen prognostizierte Überschätzung der Transaktionskosten bei der Gesamtkursermittlung kann empirisch bestätigt werden.
Die explizite Geld-Brief-Spanne ist dagegen grundsätzlich ein geeignetes Liquiditätsmaß. Mit den Daten der experimentellen Märkte läßt sich auch für die Gesamtkursermittlung eine solche Spanne ermitteln. Sie erweist sich als niedriger als die Spanne in der kontinuierlichen Auktion und dem Market-Maker-Markt. Jedoch ist auch die Geld-Brief-Spanne mit Vorsicht zu interpretieren. Es wird gezeigt, daß unter bestimmten Umständen systematische Verzerrungen existieren können. In den hier untersuchten experimentellen Märkten ließen sich diese identifizieren. Bei Untersuchungen anhand von Felddaten ist dies jedoch nicht ohne weiteres möglich, so daß hier die Gefahr von Verzerrungen durchaus real ist.
13
"Ich möchte in diesem Vortrag Beziehungen zwischen Gutenbergs Theorie der Unternehmung, die in seiner Habilitationsschrift angelegt und in den "Grundlagen der Betriebswirtschaftslehre" entfaltet ist, und aktuellen Entwicklungen in der Theorie der Unternehmung herstellen. Obwohl der Anlaß für diesen Vortrag das Thema hinreichend rechtfertigt, stellt sich die Frage, ob mein Vorhaben ein wissenschaftlich sinnvolles Unterfangen darstellt: Kann Gutenbergs Theorie der Unternehmung noch aktuell sein?"
12
During the last years the relationship between financial development and economic growth has received widespread attention in the literature on growth and development. This paper summarises in its first part the results of this research, stressing the growth-enhancing effects of an increased interpersonal re-allocation of resources promoted by financial development. The second part of the paper seeks to identify the determinants of financial development based on Diamond's theory of financial intermediation as delegated monitoring. The analysis shows that the quality of corporate governance of banks is the key factor in financial system development. Accordingly, financial sector reforms in developing countries will only succeed if they strengthen the corporate governance of financial institutions. In this area, financial institution building has an important contribution to make. Paper presented at the First Annual Seminar on New Development Finance held at the Goethe University of Frankfurt, September 22 - October 3, 1997
11
Individual financial systems can be understood as very specific configurations of certain key elements. Often these configurations remain unchanged for decades. We hypothesize that there is a specific relationship between key elements, namely that of complementarity. Thus, complementarity seems to be an essential feature of financial systems. Intuitively speaking, complementarity exists if the elements of a (financial) system reinforce each other in terms of contributing to the functioning of the system. It is the purpose of this paper to provide an analytical clarification of the concept of complementarity. This is done by modeling financial systems as combinations of four elements: firm-specific human capital of an entrepreneur, the ability of a bank to restructure the borrower's firm in the case of distress, the possibility to appropriate private benefits from running the firm, and the bankruptcy law. A specific configuration of these elements constitutes one financial system. The bankruptcy law and the potential private benefits are treated as exogenous. They determine the bargaining power of the contracting parties in the case that recontracting occurs. In a two-stage game, the optimal values for the other elements are determined by the agents individually - by investing in human capital and restructuring skills, respectively - and jointly by writing, executing and possibly renegotiating a financing contract for the firm. The paper discusses the equilibria for different types of bankruptcy law and demonstrates that equilibria exhibit the sought-after feature of complementarity. Three particularly significant equilibria correspond to stylized accounts of the British, German and the US-American financial system, respectively.
10
The paper presents an empirical analysis of the alledged transformation of the financial systems in the three major European economies, France, Germany and the UK. Based on a unified data set developed on the basis of national accounts statistics, and employing a new and consistent method of measurement, the following questions are addressed: Is there a common pattern of structural change; do banks lose importance in the process of change; and are the three financial systems becoming more similar? We find that there is neither a general trend towards disintermediation, nor towards a transformation from bank-based to capital market-based financial systems, nor for a loss of importance of banks. Only in the case of France strong signs of transformation as well as signs of a general decline in the role of banks could be found. Thus the three financial systems also do not seem to become more similar. However, there is also a common pattern of change: the intermediation chains are lengthening in all three countries. Nonbank financial intermediaries are taking over a more important role as mobilizers of capital from the non-financial sectors. In combination with the trend towards securitization of bank liabilites, this change increases the funding costs of banks and may put banks under pressure. In the case of France, this change is so pronounced that it might even threaten the stability of the financial system.
7
Performance fees for portfolio managers are designed to align the managers' goals with those of the investors and to motivate managers to aquire "superior" information and to make better investment decisions. A part of the literature analyzes performance fees on the basis of market valuation. In this article it is shown that market valuation faces a dilemma: on the one hand, the conditions which allow for market valuation imply that the portfolio manager perfectly hedges the performance fee. This in turn implies severe restrictions on the incentive effects of the performance fee. In particular, the fee does not motivate the manager to use superior information for investment decisions concerning the managed portfolio. On the other hand, better incentives can only be generated under conditions which exclude market valuation. In this case, the analysis has to be based on expected utility valuation. Keywords: performance fees, portfolio managers, "superior" information, market valuation, incentive effects
6
In the early 1990s, a consensus emerged among the leading experts in the field of small and micro business finance. It is based on three elements: The focus of projects should be on improving the entire financial sector of a given developing country; a commercial approach should be adopted, which implies covering costs and keeping costs as low as possible; and institutions should be created which are both able and willing to provide good financial services to the target group on a lasting basis. The starting point for this paper, which wholeheartedly endorses these three elements, is the proposition that putting these general principles into practice is much more difficult than some of their proponents seem to believe - and also more difficult than some of them have led donors to believe. The paper discusses the central issues of small and micro business financing in three areas: credit in general and the cost-effectiveness of lending methodologies in particular (Section II); savings in general and the role of deposit-taking in the growth of a target group-oriented financial institution in particular (Section III); and the process of creating viable target group-oriented financial institutions in developing countries (Section IV). We argue that donor institutions must be willing, and prepared, to play a role here which differs in important respects from their conventional role if they really wish to support sustainable financial sector development.
5
Die externe Performance-Messung beurteilt auf Basis öffentlich verfügbarer Daten die Leistung des Fondsmanagements. Es wird zunächst geprüft, inwieweit die für die Beurteilung von Aktienfonds entwickelten Maße auf Rentenfonds anwendbar sind. Anschließend wird die Performance einer Stichprobe deutscher Rentenfonds untersucht. Es zeigt sich, daß die risikoadjustierte Rendite in den meisten Fällen nicht über der eines geeigneten Marktindex liegt. Einige Fonds weisen ein signifikantes Aktien-Exposure auf. Ein systematischer Zusammenhang zwischen der Nettorendite und der Gebührenhöhe kann nicht nachgewiesen werden.
3
Paper Presented at the Conference on Workable Corporate Governance: Cross-Border Perspectives held in Paris, March 17-19, 1997 To appear in: A. Pezard/J.-M. Thiveaud: Workable Corporate Governance: Cross-Border Perspectives, Montchrestien, Paris 1997. The paper discusses the role of various constituencies in the corporate governance of a corporation from the perspective of incomplete contracts. A strict shareholder value orientation in the sense of a rule that at any time firm decisions should be made strictly in the interest of the present shareholders would make it difficult for the firm to establish long-term relationships as the potential partners would have to fear that, at a later stage of the co-operation, the shareholders or a management acting only on their behalf could exploit them because of the inevitable incompleteness of long-term contracts. One way of mitigating these problems is to put in place a corporate governance system which gives some active role to the other stakeholders or constituencies, or which makes their interests a well-defined element of the objective function of the firm. A commitment not to follow a policy of strict shareholder value maximization ex post can be efficient ex ante. Such a system would clearly differ from what is advocated by proponents of a "stakeholder approach", as it would limit the rights of the other constituencies to those which would have been agreed upon in a constitutional contract concluded between them and the founder of the firm at the time when long-term contracts are first established.
2
During the last years issues of strategic management accounting have received widespread attention in the accounting literature. Yet the conceptual foundation of most proposals is not clear. This paper presents a theoretical analysis of one of the most prominent approaches of strategic management accounting, i.e., Target Costing. First, the relationship between Target Costing and Life-Cycle-Costing is shown. Secondly, a model based on a mechanism-design-approach is used to answer the question of whether the „Market-into-Company“-method of Target Costing can somehow be endogenized. The model captures problems of asymmetric information, price policy and cost structures (i.e. learning effects etc.). The analysis shows that the more „strategic“ is the firm´s cost function, the less valid is „strategic“ management accounting in terms of the usual way Target Costing is employed.
1
Insider trading and portfolio structure in experimental asset markets with a long lived asset
(1997)
We report results of a series of nine market experiments with asymmetric information and a fundamental value process that is more "realistic" than those in previous experiments. Both a call market institution and a continuous double auction mechanism are employed. We find considerable pricing inefficiencies that are only partially exploited by insiders. The magnitude of insider gains is analyzed separately for each experiment. We find support for the hypothesis that the continuous double auction leads to more efficient outcomes. Finally, we present evidence of an endowment effect: the initial portfolio structure influences the final asset holdings of experimental subjects.