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Related Concept Videos

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In concrete preparation, the quality of water is paramount as it affects the strength and durability of the concrete. Potable water is usually preferred; however, it must not have excessive sodium or potassium to prevent compromising the concrete's integrity. Water quality is typically evaluated based on impurities such as dissolved solids, chlorides, and sulfates, and its pH value is ideally between 6 and 8. Even slightly acidic natural water may be acceptable unless it contains harmful...
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Drug control governance involves the oversight and regulation of pharmaceuticals to ensure their safety and efficacy while preventing illegal drug use and trafficking. Regulatory bodies, including the US Food and Drug Administration (FDA) and the European Union's European Medicines Agency (EMA), play a central role in this process. These agencies evaluate the safety and efficacy of drugs before they can be marketed. They fund clinical trials and assess the benefits and risks associated with...
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Air entrainment in concrete significantly enhances the material's durability, especially in environments subjected to freeze-thaw cycles. Introducing small air bubbles into the concrete mix acts as internal voids that accommodate the expansion of water when it freezes, thereby alleviating internal stress and preventing structural cracks. This function is crucial in climates with significant freezing and thawing, as it protects the concrete from repeated stresses that could lead to premature...
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Does institutional quality affect air pollution?

Zhongfei Chen1, Xinyue Hao1, Mengling Zhou2

  • 1School of Economics, Jinan University, Guangzhou, 510632, China.

Environmental Science and Pollution Research International
|January 6, 2022
PubMed
Summary

Improving institutional quality significantly reduces air pollution, especially in high-income nations. This effect is mediated by economic development, foreign trade, and technological progress, validating key environmental hypotheses.

Keywords:
Air pollutionEconomic developmentFDIInstitutional qualityTechnological progress

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Area of Science:

  • Environmental Science
  • Economics
  • Political Science

Background:

  • Environmental pollution poses significant societal and residential challenges.
  • Institutional quality is a critical determinant of air quality.
  • Urgent need to understand factors influencing air pollution and climate change mitigation.

Purpose of the Study:

  • To evaluate the causal relationship between institutional quality and air quality.
  • To identify specific components of institutional quality that impact emissions.
  • To explore the mediating mechanisms through which institutional quality affects air pollution.

Main Methods:

  • Analysis of cross-country panel data from 2000 to 2016.
  • Econometric evaluation of the causal link between institutional quality and air pollution.
  • Mechanism analysis considering economic development, foreign trade, and technological progress.

Main Results:

  • Improved institutional quality significantly reduces air pollution ([Formula: see text]).
  • This effect is more pronounced in high-income countries and those with common law systems.
  • Government regulation, rule of law, corruption control, and government effectiveness are key drivers of emission reduction.

Conclusions:

  • Institutional quality plays a vital role in mitigating air pollution.
  • Economic development, foreign direct investment, and technological progress mediate this relationship.
  • Findings support the Environmental Kuznets Curve, validate the Pollution Paradise Hypothesis in low-institutional quality settings, and confirm the Porter Hypothesis through technological advancement.