Results 61 to 70 of about 85,482 (251)

Estimating the Size and Growth of Unrecorded Economic Activity in Transition Countries: A Re-evaluation of Electric Consumption Method Estimates and their Implications [PDF]

open access: yes
It is widely acknowledged that underground (unrecorded) economic activities play a major role in transition economies. Evaluations of the success and failure of the transition experience should therefore be based on total economic activity [TEA], namely,
Edgar L. Feige, Ivica Urban
core  

Maya Blue‐Inspired Hybrid Coating for Robust and Superhydrophilic Solar Evaporators Using Commercial Black Acrylic Paint

open access: yesAdvanced Functional Materials, EarlyView.
This study demonstrates a Maya blue‐inspired hybrid solar evaporator using commercial black acrylic paint, achieving 98% solar‐thermal conversion efficiency and 2.39 kg m−2 h−1 water evaporation rate through a durable, hydrophilic organic–inorganic structure that enables scalable, cost‐effective desalination and wastewater purification.
Dao Thi Dung   +5 more
wiley   +1 more source

Transition in FSU and sub-Saharan countries: The role of institutions [PDF]

open access: yes
This study compares transition processes in countries of Central and Eastern Europe, the former Soviet Union (FSU) and sub-Saharan Africa. By widening the scope from most- to least-developed transition economies, the study establishes the importance of a
Laurila, Juhani
core  

Has Government Tax Policy in Greece Led to a Large Shadow Economy? [PDF]

open access: yes, 2013
This capstone investigates the impact that tax policy has on the shadow economy in Greece. Greece has one of the largest shadow economies in the world and the largest in the European Union, with tax evasion being one of the main drivers.
Thompson, Nils
core   +1 more source

Roll‐to‐Roll Mechanical Exfoliation for Large‐Area van der Waals Films with Preserved Crystallographic Alignment

open access: yesAdvanced Functional Materials, EarlyView.
A roll‐to‐roll exfoliation method is demonstrated that preserves the crystallographic alignment of anisotropic 2D materials over large areas, enabling scalable fabrication of directional electronic and optoelectronic devices. Abstract Anisotropic 2D materials such as black phosphorus (BP), GeS or CrSBr, exhibit direction‐dependent optical and ...
Esteban Zamora‐Amo   +14 more
wiley   +1 more source

Powering the Future: A Cobalt‐Based Catalyst for Longer‐Lasting Zinc–Air Batteries

open access: yesAdvanced Functional Materials, EarlyView.
A novel N‐doped graphitic shell‐encapsulated Co catalyst reveals superior bifunctional ORR/OER activity in alkaline media, empowering outstanding liquid and quasi‐solid‐state ZAB activity. The system delivers long‐term durability, a peak power density of 127 mW cm−2 and successfully powers an LED and a mini fan.
Manami Banerjee   +10 more
wiley   +1 more source

Entrepreneurship in transition countries: a review [PDF]

open access: yes, 2005
The aim of this paper is to provide an overview of the key issues surrounding entrepreneurship development in transition countries focusing on six main themes. Though it can be argued that the transition countries started from more or less the same point
Aidis, R.
core  

Spectrally Tunable 2D Material‐Based Infrared Photodetectors for Intelligent Optoelectronics

open access: yesAdvanced Functional Materials, EarlyView.
Intelligent optoelectronics through spectral engineering of 2D material‐based infrared photodetectors. Abstract The evolution of intelligent optoelectronic systems is driven by artificial intelligence (AI). However, their practical realization hinges on the ability to dynamically capture and process optical signals across a broad infrared (IR) spectrum.
Junheon Ha   +18 more
wiley   +1 more source

Entrepreneurship in Transition Economies: The Role of Institutions and Generational Change [PDF]

open access: yes
The transition economies have lower rates of entrepreneurship than are observed in most developed and developing market economies. The difference is even more marked in the countries of the former Soviet Union than those of Central and Eastern Europe. We
Estrin, Saul, Mickiewicz, Tomasz
core  

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