Christian Neumeier

Profil

Zusammenfassung

Christian Neumeier forscht zu Verfassungsrecht und Parlamentarismus, insbesondere zur Entstehung und Funktionsweise von Verfassungsinstitutionen. Seine Expertise liegt in der rechtlichen Analyse von Parlamenten, Kompetenzverhältnissen und der Durchsetzung verfassungsrechtlicher Prinzipien im europäischen Kontext – Wissen, das für die Gestaltung von Governance-Strukturen und die Bewertung institutioneller Regelwerke relevant ist.

Skills

Name

Christian Neumeier

Fakultät

Juristische Fakultät

Institut

Öffentliches Recht

E-Mail

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Telefon

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HU-FIS-Profil

Quelle ↗

Zuletzt gescrapt

27.6.2026, 01:11:37

• Das improvisierte Parlament. Die Entstehung des Grundgesetzes im Parlamentarischen Rat 1948/49

  Quelle ↗

  Förderer: Fritz Thyssen Stiftung Zeitraum: 10/2023 - 07/2024 Projektleitung: Prof. Dr. Christian Waldhoff, Christian Neumeier

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• Explaining the gender gaps in mathematics achievement and attitudes: The role of societal gender equality

  2020

  Economics of Education Review · 39 Zitationen · DOI

  The gender stratification hypothesis maintains that higher levels of societal gender equity predict smaller gender gaps in mathematics achievement and attitudes. Using data from the Program for International Student Assessment (PISA) across 56 countries, this study aims to provide a thorough empirical test of the gender stratification hypothesis. We employ a novel two-stage empirical strategy to investigate the link between societal gender equities and gender differences in mathematics achievement and attitudes. In the first stage, we use a semiparametric Oaxaca-Blinder (OB) method to decompose the gender gaps in each country into a part that is explained by gender differences in observable characteristics and a part that remains unexplained. In the second stage, we examine the relationships between the unexplained parts of the gender gaps and country-specific gender equity measures. The results highlight the importance of gender equity in the labor market in explaining cross-country variation in the gender math gap. We find that lower gender wage gap is significantly associated with a smaller unexplained part of the gender math gap favoring boys. In terms of the gender gaps in math attitudes, the results yield mixed support for the gender stratification hypothesis.

• Banning dark pools: Venue selection and investor trading costs

  2023

  Journal of Financial Markets · 8 Zitationen · DOI

  We analyze the relation between transaction costs and venue choice using proprietary transaction-level data from institutional trade executions in the U.K. equity market. We show that, for a given investor, a higher share of dark trading (midpoint dark pools) is associated with lower execution costs. In the context of a recent ban on dark trading, we provide evidence consistent with migration towards substitute trading venues such as periodic auctions, which has mitigated adverse effects on trading costs for large investors. We also provide micro-evidence on Menkveld et al.’s (2017) pecking order theory of venue choice over the life-cycle of large parent orders.

• The Vascularization of the Pituitary Gland of the Chicken (Gallus domesticus). A Scanning Electron Microscope Study of Vascular Corrosion Casts.

  1994

  Archives of Histology and Cytology · 6 Zitationen · DOI

  Microvascular corrosion casts of the pituitary gland of one to nine-day-old chickens (Gallus domesticus, white leghorn hybrids) were analysed with the scanning electron microscope. Results show that the chicken median eminence is supplied by branches of the infundibular and the neural-lobe arteries. They form a flat two-dimensional primary capillary plexus, which lacks any capillary loops and is continuous with the plexus in the neural lobe. The capillaries occupy about 60% of the total area of the median eminence. A subependymal plexus is present, showing no contact with the plexus of the median eminence. The chicken neural lobe consists of many hollow buds. These buds are supplied by branches of the neural-lobe artery, which gives rise to a two-dimensional capillary meshwork similar to that of the median eminence. An anterior group of portal vessels, comprising 14-16 vessels with a mean diameter of 37 microns, and a posterior group of portal vessels, comprising 2-4 shorter and slightly thinner vessels, arise from the median eminence are the sole blood supply for the adenohypophysis (distal lobe). Anterior portal vessels supply the cephalic lobe and the most rostral area of the caudal lobe, and posterior portal vessels supply the caudal lobe of the distal lobe. There are no short portal vessels connecting the neural lobe with the distal lobe. The (sinusoidal) capillary bed of the distal lobe is laminated. The chicken hypophysis drains into the cavernous sinus, which empties into the cerebral carotid veins. Within the period studied (days 1-9 after hatching) no age-related changes were found.

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