One of the most important methods of opacity accounting information by management is to accelerate the identification of good news versus delaying the identification of bad news on profits, but there is always a final level of accumulation of bad news in the company, and by reaching that its final level, these bad news will be released, which will lead to a Stock Price Crash Risk. In fact, stoc...

in this paper, we investigate variations of gold coin price and also probe to model the fluctuations and conditional variance of coin market returns. the data consist of daily market prices of gold coin over the 1380 – 1386 period. since volatility clustering is viewed in time series of returns, we employ arch (autoregressive conditional heteroskedasticity) methodology in order to model the var...

Hyperphosphatemia has long been considered an important contributor to the mineral and bone disorder associated with CKD (CKD-MBD). Already 50 years ago, Slatopolsky et al. showed that as GFR decreased, fractional phosphate excretion rose because of inhibition of tubular phosphate reabsorption by parathyroid hormone (PTH), thus preventing serum phosphorus to rise. In the last 10 years, fibrobla...

Today’s massive news streams demand the automate analysis which is provided by various online news explorers. However, most of them do not provide sentiment analysis. The main problem of sentiment analysis of news is the differences between the writers and readers attitudes to the news text. News can be good or bad but have to be delivered in neutral words as pure facts. Although there are appl...