Results 21 to 30 of about 1,892,237 (356)

Solutions to uneven light distribution and measurement distance variation in optical-based food inspection: A review

open access: yesJournal of Agriculture and Food Research
The demand for high-efficiency quality control in the food industry has driven the adoption of emerging techniques such as spectroscopy and imaging. The spectral and imaging detection processes are subject to various interferences, which may affect the ...
Shaojin Ma   +3 more
doaj   +1 more source

Stock price reaction to an arrangement approval in restructuring proceedings – the case of Poland

open access: yesInternational Journal of Management and Economics, 2022
The study aims to empirically analyze the reaction of stock prices to the information about the conclusion and acceptance of a debtor–creditor arrangement under restructuring proceedings of companies listed on the stock exchange in Poland.
Prusak Błażej, Potrykus Marcin
doaj   +1 more source

efficient markets hypothesis [PDF]

open access: yes, 2008
The efficient markets hypothesis (EMH) maintains that market prices fully reflect all available information. Developed independently by Paul A. Samuelson and Eugene F. Fama in the 1960s, this idea has been applied extensively to theoretical models and empirical studies of financial securities prices, generating considerable controversy as well as ...
openaire   +1 more source

A Test of the Adaptive Market Hypothesis using a Time-Varying AR Model in Japan

open access: yes, 2016
This study examines the adaptive market hypothesis (AMH) in Japanese stock markets (TOPIX and TSE2). In particular, we measure the degree of market efficiency by using a time-varying model approach.
Akihiko Noda   +20 more
core   +1 more source

Analysis and standardization of coal chemical wastewater treatment and reuse systems

open access: yesWater Cycle
To meet the practical needs of classified collection, graded treatment, and quality recycling of coal chemical wastewater, and in accordance with the standardization requirements of wastewater resource utilization, the Standardization Administration of ...
Jialin Liu, Xue Bai, Yan Bai
doaj   +1 more source

Exploration and case analysis of treatment processes and reuse pathways for industrial brine wastewater in China

open access: yesWater Cycle
Treatment of industrial brine wastewater, which is characterized by multiple sources and complex water quality, poses significant challenges. Brine separation technology can effectively address the difficulties in brine wastewater treatment while ...
Jialin Liu, Xue Bai, Yan Bai
doaj   +1 more source

Random walk theory and exchange rate dynamics in transition economies [PDF]

open access: yesPanoeconomicus, 2010
This paper investigates the validity of the random walk theory in the Euro-Serbian dinar exchange rate market. We apply Andrew Lo and Archie MacKinlay's (1988) conventional variance ratio test and Jonathan Wright's (2000) non-parametric ranks and signs ...
Gradojević Nikola   +2 more
doaj   +1 more source

Volatility Spillovers and Market Decoupling: Evidence from BRICS and China’s Green Sector

open access: yesRisks
The global economic importance of green tech is rising. Yet the role of the green financial sector in the propagation of volatility is still unclear. Although the existing literature often characterizes green assets as stable, the new risks, particularly
Darko B. Vuković   +3 more
doaj   +1 more source

Market efficiency today [PDF]

open access: yes, 2005
This CFS Working Paper has been presented at the CFSsymposium "Market Efficiency Today" held in Frankfurt/Main on October 6, 2005. In 2004 the Center for Financial Studies (CFS) in cooperation with the Johann Wolfgang Goethe University, Frankfurt/Main ...
Pesaran, M. Hashem
core  

Hematopoietic (stem) cells—The elixir of life?

open access: yesFEBS Letters, EarlyView.
The aging of HSCs (hematopoietic stem cells) and the blood system leads to the decline of other organs. Rejuvenating aged HSCs improves the function of the blood system, slowing the aging of the heart, kidney, brain, and liver, and the occurrence of age‐related diseases.
Emilie L. Cerezo   +4 more
wiley   +1 more source

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