LONG MEMORY AND STOCK MARKET EFFICIENCY: CASE OF SAUDI ARABIA

Long Memory and Stock Market Efficiency: Case of Saudi Arabia

This paper examines the market efficiency of Saudi Arabia stock read more exchange market namely Tadawul All Share Index, TASI, for the period from 1998 to 2020.To test the efficiency of stock market, we analyze the dependence structure of stock market index returns and volatility.The results demonstrate that Saudi stock market shows long memory.Th

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Reduced affinity of calcium sensing-receptor heterodimers and reduced mutant homodimer trafficking combine to impair function in a model of familial hypocalciuric hypercalcemia type 1.

Heterozygous loss-of-function mutation of the calcium sensing-receptor (CaSR), causes familial hypocalciuric hypercalcemia type 1 (FHH1), a typically benign condition characterized by mild hypercalcemia.In contrast, homozygous mutation of this dimer-forming G-protein coupled receptor manifests as the lethal neonatal severe hyperparathyroidism (NSHP

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Analyzing Pentaerythritol Stearate Homologs with NMR Spectroscopy

A pentaerythritol stearate sample with unknown composition was analyzed by nuclear magnetic resonance (NMR) spectroscopy (i.e., 1H NMR, quantitative 13C NMR, DEPT135, 1H-1H COSY, 1H-1H NOESY, 1H-13C HSQC and 1H-13C HMBC).The read more results indicated that the sample contained mainly monopentaerythritol tetrastearate, but also had small amounts of

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Segmentation in sport services: a typology of fitness customers

This article considers customer typology in fitness centres.The main aim of our survey is to state the basic segments of fitness customers and create their typology.A survey was conducted on a sample of 1004 respondents from 48 fitness centres.We used questionnaires and latent class analysis for the assessment and interpretation of data.The results

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