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Existing studies from the United States, Latin America, and Asia provide scant evidence that private schools dramatically improve academic performance relative to public schools. Using data from Kenya—a poor country with weak public institutions—we find a large effect of private schooling on test scores, equivalent to one full standard deviation. This finding is robust to endogenous sorting of more able pupils into private schools. The magnitude of the effect dwarfs the impact of any rigorously tested intervention to raise performance within public schools. Furthermore, nearly twothirds of private schools operate at lower cost than the median government school.
The recent wave of randomized trials in development economics has provoked criticisms regarding external validity. We investigate two concerns—heterogeneity across beneficiaries and implementers—in a randomized trial of contract teachers in Kenyan schools. The intervention, previously shown to raise test scores in NGO- led trials in Western Kenya and parts of India, was replicated across all Kenyan provinces by an NGO and the government. Strong effects of shortterm contracts produced in controlled experimental settings are lost in weak public institutions: NGO implementation produces a positive effect on test scores across diverse contexts, while government implementation yields zero effect. The data suggests that the stark contrast in success between the government and NGO arm can be traced back to implementation constraints and political economy forces put in motion as the program went to scale.
This paper uses factor-augmented vector autoregressions (FAVAR) estimated using a large data set to disentangle fluctuations in disaggregated consumer and producer prices which are due to macroeconomic factors from those due to sectorial conditions. This allows us to provide consistent estimates of the effects of US monetary policy on disaggregated prices. While sectorial prices respond quickly to sector-specific shocks, we find that for a large number of price series, there is a significant delay in the response of prices to monetary policy shocks. In addition, price responses display little evidence of a “price puzzle,” contrary to existing studies based on traditional VARs. The observed dispersion in the reaction of producer prices is relatively well explained by the degree of market power, as predicted by models with monopolistic competition. JEL Classification: E32, E52
Using a unique data set on trade credit defaults among French firms, we investigate whether and how trade credit is used to relax financial constraints. We show that firms that face idiosyncratic liquidity shocks are more likely to default on trade credit, especially when the shocks are unexpected, firms have little liquidity, are likely to be credit constrained or are close to their debt capacity. We estimate that credit constrained firms pass more than one fourth of the liquidity shocks they face on to their suppliers down the trade credit chain. The evidence is consistent with the idea that firms provide liquidity insurance to each other and that this mechanism is able to alleviate the consequences of credit constraints. In addition, we show that the chain of defaults stops when it reaches firms that are large, liquid, and have access to financial markets. This suggests that liquidity is allocated from large firms with access to outside finance to small, credit constrained firms through trade credit chains.
Rechtswissenschaftliche Abhandlungen und Veranstaltungen zu internationalen Gerichten stehen häufig unter dem Titel „Internationale Streitbeilegung“. Es wäre aber viel besser, so die Leitthese dieses Beitrags, solche Texte und Veranstaltungen als „internationale Gerichtsbarkeit“ zu betiteln. Dies ist keineswegs ein bloßer Streit um Worte, da hinter diesen Alternativen unterschiedliche rechtswissenschaftliche Auffassungen stehen. Im Folgenden sei gezeigt, dass anders als die Be-zeichnung „Internationale Streitbeilegung“ suggeriert, nicht nur eine, sondern vier Funktionen die Rechtsprechung heutiger internationaler Gerichte kennzeichnen. Es handelt sich dabei um: Streitbeilegung im Einzelfall, Stabilisierung normativer Erwartungen, Rechtschöpfung sowie Kontrolle und Legitimation öffentlicher Gewalt. Die Ana-lyse dieser Funktionen zeigt, dass die Bezeichnung „Internationale Streitbeilegung“ überkommen ist. Entsprechend sollte die Bezeichnung des Fachs geändert und es als Teil des Fachs internationale Institutionen verortet werden.
Bis vor kurzem definierte das Grundgesetz die Grundstrukturen des öffentlichen Rechts in Deutschland, sei es im Bund, sei es in den Ländern. Heute wirken jedoch supranationale und internationale Institutionen machtvoll auf das soziale Zusammenleben in Deutschland ein. Zudem besteht eine neue Offenheit gegenüber Hoheitsakten anderer Staaten. Diese Europäisierung und Internationalisierung des Landes führen zur Frage, wie nunmehr die Grundstrukturen des öffentlichen Rechts in Deutschland begriffen werden sollen.
Diese Grundstrukturen sind Gegenstand dieses Beitrags, und zwar im Sinne von Grundprinzipien, welche alle in Deutschland wirksame öffentliche Gewalt einbinden. Der Beitrag kann dabei, entsprechend dem Stand der Erkenntnis, nur wenig gesichertes Wissen unterbreiten. Eine systematische, praxisleitende und vor allem prinzipiengesteuerte Dogmatik eines Rechts der Menschheit, eines kosmopolitischen Rechts, eines globalen Rechts, eines Weltrechts, eines Weltinnenrechts, eines transnationalen Rechts, ja selbst des Völkerrechts oder auch nur des öffentlichen Rechts im europäischen Rechtsraums, also etwas in Ansätzen dem deutschen Staatsrecht Vergleichbares, erscheint jenseits der Möglichkeiten, jedenfalls des Horizonts unserer Zeit. Vor diesem Hintergrund unterbreitet dieser Beitrag sein Verständnis des neuen Forschungsfeldes (I.), verankert die relevanten Prinzipien positivrechtlich und skizziert sie in ihrem Gestaltungsanspruch (II.), und erörtert ihr gegenseitiges Verhältnis, um dadurch die Gesamtkonstellation zu beleuchten (III.).
Heiner Boehncke beschreibt in seinem kurzen Aufsatz die Entwicklung des Kulturprojekts >Literaturland Hessen<, das mittlerweile zum Begriff geworden ist und über Hessen hinaus für gelungene Kultur-Kooperation steht. Heute handelt es sich bei dem Projekt >Literaturland Hessen< um eine Kooperation des Hessischen Rundfunks mit dem Hessischen Ministerium für Wissenschaft und Kultur, dem ADAC Hessen/Thüringen, dem Hessischen Literaturrat und der Kulturstiftung der Sparkassen Hessen/Thüringen.
Corporate governance is currently a topic of great worldwide interest to academics, legislators, and practitioners. In addition to several academic articles, it has prompted active involvement of the OECD, the EU, the German Monopolkommission, the Bundestag, and several other institutions. Especially in comparison to the Anglo-American system, German corporate governance is characterized by lesser reliance on capital markets and outside investors, but a stronger reliance on large inside investors and financial institutions to achieve efficiency in the corporate sector. Since data on German corporations have become more easily available in recent years, the discussion has lately become more scientific and started to focus on studying the benefits and costs of the German system. The empirical results presented in this survey focus on the relation between ownership structure and firm performance in Germany. I summarize several empirical studies on this topic and put them into context to the institutional and legal environment in Germany. Due to data restrictions on unlisted firms, most results are based on corporations trading in official markets, representing the first-tier stock market in Germany. These firms have to publish large blockholdings exceeding 25% in their annual report. While this type of ownership data has been accessible for several years, information on voting control has only become available with the 1995 transposition of the European Union’s Transparency Directive into national law (Wertpapierhandelsgesetz, WpHG).
I analyze the most powerful shareholders in Germany to illustrate the concentration of control over listed corporations. Compared to other developed economies, the German stock market is dominated by large shareholders. I show that 77% of the median firm’s voting rights arecontrolled by large blockholders. This corresponds to 47% of the market value of all firms listed in Germany’s official markets. About two thirds of this amount is controlled by banks, industrial firms, holdings, and insurance companies. I show that due to current legislation it is clear for neither group who ultimate exerts control over the shareholding firm itself. For the remaining blockholders, only blocks controlled by voting pools and individuals can be traced back to the highest level of ownership. In the aggregate, both groups control only 5.6% of all reported blocks. The German government controls 8%, and it is not clear who ultimately is responsible for the consequences of decisions.
We introduce a copula-based dynamic model for multivariate processes of (non-negative) high-frequency trading variables revealing time-varying conditional variances and correlations. Modeling the variables’ conditional mean processes using a multiplicative error model we map the resulting residuals into a Gaussian domain using a Gaussian copula. Based on high-frequency volatility, cumulative trading volumes, trade counts and market depth of various stocks traded at the NYSE, we show that the proposed copula-based transformation is supported by the data and allows capturing (multivariate) dynamics in higher order moments. The latter are modeled using a DCC-GARCH specification. We suggest estimating the model by composite maximum likelihood which is sufficiently flexible to be applicable in high dimensions. Strong empirical evidence for time-varying conditional (co-)variances in trading processes supports the usefulness of the approach. Taking these higher-order dynamics explicitly into account significantly improves the goodness-of-fit of the multiplicative error model and allows capturing time-varying liquidity risks.