نتایج جستجو برای: sadf

تعداد نتایج: 53  

Journal: :Pamukkale üniversitesi sosyal bilimler enstitüsü dergisi 2021

Price bubbles may be a leading indicator for financial crises. In history, some of the important price bubble cases occurred in real estate or housing market. this study, existence bubbles, periods existing and factors affecting formation sector both Turkey TR22 Region (Balıkesir-Çanakkale) are being investigated. Data covering 126 monthly indices period between January 2010 June 2020 were used...

Journal: :The International journal of banking and finance 2022

This study investigates whether the COVID-19 pandemic has caused asset price bubbles in stock and oil markets United States Malaysia. More specifically, seeks to detect onset end of possible speculative their causes these markets. It also examines existence a contagion effect between during Covid-19 pandemic. To achieve objectives, used Generalized SADF (GSADF) developed by Phillips et al. (201...

Journal: :Süleyman Demirel Üniversitesi Vizyoner Dergisi 2021

Financial bubbles are described as the deviation of market values financial assets from their core values. They one main indicators for crises by negatively affecting markets due to constant overvaluation assets. Therefore, investigating presence and determining reasons great importance investors, regulators, portfolio managers in terms investment risk price stability. In study, foreign exchang...

Journal: :Journal of Economics, Finance and Administrative Science 2022

Purpose The last decades have experienced increasingly integrated global political and economic dynamics ranging especially from the influence of exchange rates trade amid other sources uncertainties. purpose this study is to examine rate Brazil, Russia, India, China, South Africa (BRICS) Republic Turkey. Design/methodology/approach Given perceived dynamics, current examined BRICS countries Tur...

هدف از این پژوهش آزمون وجود رفتار انفجاری و شناسایی دوره‌های حبابی محتمل در بازار سهام ایران در دوره دی ماه 1387 تا شهریور 1393 است. در دوره‌هایی که چندین حباب قیمتی رخ می‌دهد فرآیندی که سری زمانی مورد بررسی از آن پیروی می‌کند از یک فرآیند گام تصادفی به فرآیندی انفجاری تبدیل می‌شود. در این حالت اغلب آزمون‌های سنتی قدرت تشخیص مناسبی نخواهند داشت زیرا لازم است که آزمون توانایی تشخیص تغییر فرآیند ...

Journal: :Sustainability 2023

Food price bubbles are a phenomenon in which the cost of some food items or commodities climbs quickly and unreasonably before collapsing due to reasons such as speculation, supply demand imbalances, meteorological occurrences, governmental actions. Governments academics keep an eye on prices spot address these bubbles. The aim this paper is analyze bubble despite global slowdown by examining i...

Journal: : 2021

Çal??man?n amac?, 2008 Küresel Kriz ve Covid 19 pandemi dönemlerinde K?r?lgan Sekizli ülkelerinde g?da fiyat balonlar?n?n tarihlerini saptamakt?r. Bu amaçla yinelemeli sa? kuyruklu birim kök testleri (Sup-Augmented Dickey-Fuller; SADF Generalized Sup-Augmented GSADF) yoluyla 2007:01-2020:09 dönemi için FAO endeksi kullan?larak tarihleri tahmin edilmektedir. sonucunda Arjantin, Brezilya ?ili har...

Journal: :South African medical journal = Suid-Afrikaanse tydskrif vir geneeskunde 1986
N F Gordon E P Hugo J F Cilliers

The incidence and nature of exertion-related injuries were studied at a South African Defence Force basic training centre. A total of 404 separate injuries were sustained by 359 of 947 recruits during the 10-week basic training cycle. Of these injuries, 18,3% were sustained with (group 1) and 81,7% without (group 2) an obvious sudden precipitating event. Exertion-related injuries were responsib...

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