Çalışmada, pandemi sürecinin ve özellikle vaka sayılarındaki değişimlerin döviz kurları küresel riskin yerel borsa getirilerine etki ediş sürecine yansımalarının incelenmesi amaçlanmıştır. Bu amaçla kuru VIX endeksine ek olarak aktif vakalar yeni vakaların Türkiye'deki BİST100 hisse senedi endeksi üzerindeki etkileri araştırılmıştır. GARCH, GJR, TGARCH doğrusal olmayan GARCH modellerinden elde ...

This paper thoroughly investigates the price dynamics of carbon spot and futures returns for the first commitment period ranging from 2008 to 2012 with the aim to develop an adequate spot-returns-model. We apply a broad spectrum of various GARCH models including different distributions for model innovations. Both time series, spot and futures returns, exhibit asymmetric behavior in their varian...

This paper analyses the asymmetric volatility in Japanese electronics and electrical equipment (hereafter, electronics) patents in the USA from 1975 to 1997. The number of patents has been increasing steadily over time and the electronics industry has a 30% share of total Japanese patents in the USA. Thus, such patents reflect a strategic development by Japanese companies for the US market. The...

The volatility analysis of stock returns data is paramount in financial studies. We investigate the dynamics and randomness Pakistan Stock Exchange (PSX-100) obtain insights into behavior investors during before coronavirus disease (COVID-19 pandemic). paper aims to present estimations quantification PSX-100. methodology includes two approaches: (i) implementation EGARCH, GJR-GARCH, TGARCH mode...

The main purpose of this paper is to evaluate the effect of crude oil price on global fertilizer prices in both the mean and volatility. The endogenous structural breakpoint unit root test, the autoregressive distributed lag (ARDL) model, and alternative volatility models, including the generalized autoregressive conditional heteroskedasticity (GARCH) model, Exponential GARCH (EGARCH) model, an...