Results 121 to 130 of about 223,494 (299)
British Educational Research Journal, EarlyView.Abstract The intersection of economic conditions and early years education has long been debated, particularly where financial constraints shape educational practice and professional realities. Türkiye, characterised by high inflation and structural vulnerabilities in purchasing power parity, provides a critical context for examining how economic ...
Ebru Aydın, Şerif Yüksel
wiley +1 more source
Buck-Boost PWM Converters Having
, 2007 Single-switch step-up/step-down converters, such as the buck-boost, SEPIC and Cuk, have relatively high voltage and current stresses on components compared to the buck or the boost converter.
Two Independently Controlled
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A Buck boost-Buck PFC rectifier as an LED driver [PDF]
, 2015 The objective of this thesis is to design a buck boost-buck power factor corrector (PFC) to drive a string of High Brightness Light Emitting Diodes (HB-LEDs).
Pattanaik, Biswajit
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British Educational Research Journal, EarlyView.Abstract The global teacher shortage continues to intensify, with disparate impacts across geographic and socio‐economic communities. In Queensland, Australia, where this study originates, post‐COVID teacher shortages have intensified workforce pressures, leaving several regional, rural and remote schools as some of the ‘hardest‐to‐staff’ in the ...
Matthew Readette +5 more
wiley +1 more source
, 2009 This paper presents dynamic hysteresis band height control to reduce the overshoot and undershoot issue on output voltage caused by load change. The converters in this study are Boost and Positive Buck-Boost (PBB) converters.
A. Boora, Arash +5 more
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Media Attention to Climate Change and Investor Flows in US Equity Mutual Funds
Business Strategy and the Environment, EarlyView.ABSTRACT This paper investigates how climate‐related news influences mutual fund investor behaviour in the United States. Although prior research has documented the financial relevance of climate risks, little is known about how media attention to climate change shapes capital allocation across mutual funds.
Laura Andreu +3 more
wiley +1 more source
Business Strategy and the Environment, EarlyView.ABSTRACT This study investigated whether superior environmental, social, and governance (ESG) practices enhance corporate value and market efficiency under various economic theories. Using a multi‐country panel of 31 economies from 2015 to 2022, we find that both ESG performance and disclosure improve intrinsic value and mitigate equity misvaluation ...
Xinyu Wang +5 more
wiley +1 more source
Symbolic or Substantive Action: Intent, Effort, and Results
Business Strategy and the Environment, EarlyView.ABSTRACT Many firms have made ambitious climate pledges since the Paris Agreement of 2015. These pledges may be symbolic or substantive, but the literature is fragmented in defining these two terms. We propose a conceptual framework with three frames to delineate symbolic from substantive action: Intent—underlying motivations for engaging in climate ...
Vincent Xinyi Gu +1 more
wiley +1 more source
Drivers of Nature‐Related Investment Strategies Among Institutional Investors
Business Strategy and the Environment, EarlyView.ABSTRACT Institutional investors are increasingly responding to biodiversity loss through nature‐related investment strategies. Using survey data from 557 institutional investors, this study examines the drivers of strategy selection and how biodiversity risk is integrated across investor types, sizes, and regions.
Emma Olofsson
wiley +1 more source
Modelado y control híbrido de los convertidores boost, buck y boost flyback
, 2018 En esta tesis se presenta el modelado y control de los convertidores de potencia boost, buck y boost-flyback. El estudio se centra en el manejo de la teoría y técnicas presentadas en el marco de sistemas híbridos, para el modelado y control de ...
Ocampo Naranjo, Luz Adriana
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