This paper studies the effect of COVID-19 on volatility Australian stock returns and negative positive news (shocks) by investigating asymmetric nature shocks leverage impact volatility. We employ a generalised autoregressive conditional heteroskedasticity (GARCH) model extend analysis using exponential GARCH (EGARCH) to capture asymmetry allegedly leverage. proxy related health system its econ...

In this study, the volatility of two Asian stock markets, Bursa Malaysia and Singapore Exchange, is estimated. The analysis used data on daily closing prices indices respective markets between July 1, 2019 August 31, 2020. sample split into subsample periods: Pre-COVID-19 pandemic during COVID-19 pandemic. We estimated a standard GARCH, GARCH-M, TGARCH, EGARCH PGARCH model for each subsample. c...

the price fluctuations of chicken and its production inputs are one of the main challenges in broiler industry which affects the producer and consumer‘s welfare. this study investigates the price fluctuations of broiler and the price fluctuations of the two important inputs of broiler production -e.g. one day-old chick and soybean meal- in tehran province. to achieve the purpose, the non-linear...

پژوهشگران اخیراً پنل‌های چندلایه‌ی متشکل از الوارهای متقاطع چوبی (C‌L‌T) را به عنوان یکی مناسب‌ترین ماده‌های ساختمانی دارای کمترین اثرات منفی زیست محیطی معرفی کرده‌اند. در طرح سازه‌ی ترکیبی فولادی ـ ارائه شده پژوهش حاضر، قاب ساختمان نوع بوده و برای کف‌ها دیوارهای برشی سازه افقی قائم C‌L‌T استفاده است. جهت بررسی عملکرد سیستم ای پیشنهادی، یک ۶ طبقه با دو باربر جانبی شامل: الف) خمشی متوسط دیافراگم ...