Results 11 to 20 of about 4,589 (165)

Active Force Dynamics in Red Blood Cells Under Non-Invasive Optical Tweezers. [PDF]

open access: yesAdv Sci (Weinh)
A non‐invasive method combines low‐power optical tweezers with high‐speed microscopy to simultaneously monitor local membrane forces and displacements in single human red blood cells. This dual‐channel approach reveals a mechano‐dynamic signature that correlates the cell's metabolic state with its mechanical activity. This energetic framework serves as
Dorn A   +5 more
europepmc   +2 more sources

Tourist Services of the Western Region of Ukraine: Rating and Analysis

open access: yesECONOMICS, 2022
Today, together with the recognition of the tourism industry as one of the priorities in the economy of Ukraine, quite active and effective activities have been launched to build a structure of prerequisites for achieving the most effective level of its ...
Wołowiec Tomasz   +3 more
doaj   +1 more source

On financial development and economic growth in Egypt [PDF]

open access: yesJournal of Humanities and Applied Social Sciences, 2019
Purpose – This paper aims to discuss the evolution of the Egyptian banking sector and the main trends in financial development in Egypt. The purpose of this study is to examine empirically the relationship between the development of the financial sector ...
Mahmoud Mohieldin   +2 more
doaj   +1 more source

Econometric Models of Real Estate Prices with Prior Information. Mixed Estimation

open access: yesReal Estate Management and Valuation, 2022
The purpose of this paper is to estimate econometric models with sample and prior information. Prices of land property for residential development in Szczecin are modeled (the price level was determined for 2018).
Doszyń Mariusz
doaj   +1 more source

Value-at-risk predictive performance: a comparison between the CaViaR and GARCH models for the MILA and ASEAN-5 stock markets [PDF]

open access: yesJournal of Economics Finance and Administrative Science, 2021
Purpose – This paper tests the accuracies of the models that predict the Value-at-Risk (VaR) for the Market Integrated Latin America (MILA) and Association of Southeast Asian Nations (ASEAN) emerging stock markets during crisis periods.
Ramona Serrano Bautista   +1 more
doaj   +1 more source

Comparative analysis of stock selection using a hybrid MCDM approach and modern portfolio theory

open access: yesCroatian Review of Economic, Business and Social Statistics, 2020
The problem of selecting an optimal set of investment stocks is of a huge interest for both individual and institutional investors. This paper compares the hybrid multiple criteria decision making (MCDM) approach to selecting the best stock to invest in,
Vuković Marija   +2 more
doaj   +1 more source

Escape from model-land

open access: yesEconomics: Journal Articles, 2019
Both mathematical modelling and simulation methods in general have contributed greatly to understanding, insight and forecasting in many fields including macroeconomics.
Thompson Erica L., Smith Leonard A.
doaj   +1 more source

Ordinal Log-Linear Models for Contingency Tables

open access: yesFolia Oeconomica Stetinensia, 2016
A log-linear analysis is a method providing a comprehensive scheme to describe the association for categorical variables in a contingency table. The log-linear model specifies how the expected counts depend on the levels of the categorical variables for ...
Brzezińska Justyna
doaj   +1 more source

The Effect of Stock Market Listing on Real Earnings Management: Evidence From Algerian Companies

open access: yesNaše Gospodarstvo, 2021
This paper aims to explore the effect of the Algiers Stock Exchange listing on real earnings management. The study included 14 non-financial non-listed companies during the period 2015-2019 and six non-financial listed companies during the period 2010 ...
Kimouche Bilal
doaj   +1 more source

Modeling S&P500 returns with GARCH models

open access: yesLatin American Journal of Central Banking, 2023
This paper provides several estimates of the GARCH models’ parameters for the S&P500 index, based on returns and CBOE VIX. Using a daily sample collected from 2007 to 2022, we can conclude that adding the VIX information improves the estimates of the ...
Rodrigo Alfaro, Alejandra Inzunza
doaj   +1 more source

Home - About - Disclaimer - Privacy