نوع مقاله : مقاله پژوهشی
نویسندگان
1 دانشیار دانشکده اقتصاد دانشگاه یزد
2 دانشجوی دوره دکتری دانشگاه یزد
3 دانشجوی دوره دکتری دانشگاه سیستان و بلوچستان
چکیده
کلیدواژهها
عنوان مقاله [English]
نویسندگان [English]
Usuallyattention to the buying and keeping gold will increase with economic crises in the global economy, because gold has intrinsic value and in the economic crisis not only maintain its value but also high demand of it cause increase in its value. With increasing demand for gold, the possibility of existence of bubbles in its market will increase; therefor gold holders will tolerate destructive effects because of not identifying of the price bubbles.
New economic tools not only make possible the analysis of middle explosive behavior of the bubble but also provide the possibility of identifying origination and termination date of that. According to this, the aim of this study is to explore price bubbles in gold market and to determinate date stamping of origination, explosion and complete deletion of them in the period of 01/07/2000 t0 30/12/2015. The methodologies that use for detection of bubbles are standard ADF, Rolling Window ADF, Supremum ADF and Generalized Supremum ADF tests. The results indicate that gold price is bubbling in at least 39% of sample period. The existence of the multiple bubbles is also confirmed in this market.
کلیدواژهها [English]
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