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  • ddc:330  (2)
  • Politische Partei  (1)
  • Beaver Creek, Ontario: Canadian Center of Science and Education  (1)
  • Düsseldorf: Hans-Böckler-Stiftung, Wirtschafts- und Sozialwissenschaftliches Institut (WSI)  (1)
  • 1
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    Unknown
    Düsseldorf: Hans-Böckler-Stiftung, Wirtschafts- und Sozialwissenschaftliches Institut (WSI)
    Publication Date: 2018-06-27
    Description: In economics and other social sciences, complex processes are often represented by numerical models of reality which more or less well reflect behavioral relationships and interactions. Such attempts are the subject of a lecture course 'Mathematical Theory of Democracy' by the author at the Faculty of Economics of the Karlsruhe Institute of Technology. One new result in this field is presented here in the form of a statistical test to decide whether a political party or coalition of parties represents a majority of the population. For this purpose, party or coalition positions on a sample of policy issues, like introduction of a legal nationwide minimum wage, privatization of railways, and others, are compared with the results of public opinion polls on the same issues. The test is based on estimating the statistical significance of the coincidence observed (i.e. how likely is the coincidence by chance) to the end of accepting or rejecting the representativeness hypothesis. The test is developed for single parties and coalitions of two or three parties. It is illustrated with an estimation of representativeness of five major German parties and their potential coalitions basing on the official party manifestos published before the German parliamentary elections 2009 and on relevant polls of public opinion.
    Description: In der Ökonomie und den anderen Sozialwissenschaften wird immer wieder versucht, komplexe Prozesse der Wirklichkeit durch numerische Modelle abzubilden - was mit Abstraktionen für z. B. Verhaltens- und Wirkungsrelationen mehr oder weniger gut gelingt. Solche Versuche sind Gegenstand einer Vorlesungsreihe 'Mathematische Theorie der Demokratie' des Autors an der Wirtschaftswissenschaftlichen Fakultät des Karlsruhe Institut für Technologie. Ein neues Ergebnis in diesem Bereich wird hier vorgelegt in Form eines statistischen Tests, der entscheiden soll, ob eine politische Partei oder eine Parteienkoalition repräsentativ im Sinn der Bevölkerungsmehrheit agiert. Zu diesem Zweck wird die Übereinstimmung von Parteien- oder Koalitionspositionen mit Ergebnissen von Meinungsumfragen in der Bevölkerung verglichen, etwa zur Einführung eines bundesweiten gesetzlichen Mindestlohns oder der Privatisierung des Schienenverkehrs und anderem mehr. Der Test basiert auf der Einschätzung der statistischen Signifikanz der beobachteten Übereinstimmung (d.h. wie wahrscheinlich ist eine nur zufällige Übereinstimmung), um die Hypothese von der Repräsentativität der Politik zu akzeptieren oder abzulehnen. Die Studie spielt die Repräsentativität von einzelnen Parteien sowie von Zweier- und Dreier-Koalitionen durch. Darunter ist auch die Konstellation der fünf großen deutschen Parteien und ihrer potentiell möglichen Koalitionen auf der Basis der Bundestagswahl von 2009.
    Keywords: C12 ; C44 ; C63 ; D71 ; D72 ; ddc:330 ; mathematical theory of democracy ; statistical test ; parties ; coalitions ; representativeness ; Bernoulli matrices ; sums of random vectors ; Demokratie ; Politische Partei ; Öffentliche Meinung ; Wahlverhalten ; Deutschland
    Repository Name: EconStor: OA server of the German National Library of Economics - Leibniz Information Centre for Economics
    Language: English
    Type: doc-type:workingPaper
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  • 2
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    Beaver Creek, Ontario: Canadian Center of Science and Education
    Publication Date: 2019-09-24
    Description: The aim of this paper is to examine whether and how some structural characteristics of the Italian Network contract (NC) influence small firms’ performance. Since the ‘70s Italy has had a long history of network alliances characterized by the establishment of the industrial districts. However, this type of informal agreements have proved to be inadequate to counter the effects of globalization and of the changes that have occured in the international economic scenario. Consequently, the legislator has enacted the law n. 33/2009 by introducing a new type of formal agreement, named NC, in order to increase firms' competitiveness. Research findings on the Italian NC have shown the existence of positive effects on firms’ performance. However, in most cases the analyses have been based on a limited number of firms and have not verified the influence of some network structural characteristics. This research wishes to fill this gap by increasing the existing literature on the subject. The empirical analysis, based on a firm level panel data, highlights that in networks composed of small firms the results are not always consistent with prior studies. Network characteristics differently influence the firms’ performance measures. The analysis shows that network diversity and network's geographical openness are negatively related to firms’ performance. Instead, network size has a limited impact on firms' performance expressed only by the ROA.
    Keywords: ddc:330 ; Network agreements ; Network diversity ; Network’s geographical openness ; Network size ; Small firms’ performance ; Italian SMEs
    Repository Name: EconStor: OA server of the German National Library of Economics - Leibniz Information Centre for Economics
    Language: English
    Type: doc-type:article
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