نتایج جستجو برای: causality test

تعداد نتایج: 857553  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید باهنر کرمان - دانشکده ریاضی و کامپیوتر 1388

در این رساله t_n - علیت قوی تعریف می شود. این رده ها در جدول علیت فضا- زمان بین علیت پایدار و علیت قوی قرار دارند. یک قضیه برای رده بندی آنها ثابت می شود و t_n- علیت قوی با رده های علی کارتر مقایسه می شود. همچنین ثابت می شود که علیت فشرده پایدار از t_n - علیت قوی نتیجه می شود. بعلاوه به بررسی رابطه نظریه دامنه ها با نسبیت عام می پردازیم و ثابت می کنیم که نوع خاصی از فضا- زمان های علی پایدار, ب...

Journal: :Communications in Mathematical Physics 2009

Journal: Iranian Economic Review 2018

T his paper examined whether monetary policy is acyclical, procyclical or countercyclical and the implications of the interaction of such cyclicality with industrial output on real economic growth in Nigeria. After determining the time series properties of the variables and based on conventional cyclicality measures, the fully modified ordinary least square method was used to examine...

2015
Xiao Yun Seong-Min Yoon

Crude oil exerts a strong influence on national economy. Changes of international crude oil price have an important effect on Chinese economy because of China’s high dependence on the import of the crude oil. Thus, Chinese stock market can be shocked by the fluctuation of oil price. Reversely, changes in crude oil imports of China have some effect on demands and price of the crude oil. This art...

2012
NASRIN AFZAL SYED SHAHADAT HOSSAIN

Establishing the relationship between stock prices and macroeconomic variables is very important for formulating current economic stabilisation policies. This paper investigates the causal relationship between four macroeconomic variables and Dhaka Stock Exchange (DSE) stock prices using cointegration and Granger causality test. The results suggest that cointegration exists between stock prices...

Journal: :Quarterly journal of experimental psychology 2010
Cara R Featherstone Patrick Sturt

In Koornneef and Van Berkum's (2006) eye-tracking study of implicit causality (Caramazza, Grober, Garvey, & Yates, 1977), midsentence delays were observed in the processing of sentences such as "David blamed Linda because she((bias-congruent))/he((bias-incongruent)) . . . " when the pronoun following because was incongruent with the bias of the implicit-causality verb. The authors suggested tha...

Journal: :Journal of Systems and Software 2014
Cesar Couto Pedro Pires Marco Tulio Valente Roberto da Silva Bigonha Nicolas Anquetil

In this paper, we propose a defect prediction approach centered on more robust evidences towards causality between source code metrics (as predictors) and the occurrence of defects. More specifically, we rely on the Granger Causality Test to evaluate whether past variations in source code metrics values can be used to forecast changes in time series of defects. Our approach triggers alarms when...

2015
Musibau Adetunji Babatunde

his study examined the long-run relationship between Nigerian exports and imports between 1960 and 2014. Exports and imports were disaggregated into oil and non-oil components. The application of the Johansen, Bound testing and the Hansen parameter instability test cointegration techniques revealed that Nigerian exports and imports at the aggregate and disaggregated level are cointegrated with ...

2005
Roghieh Gholami Sang-Yong Tom Lee Almas Heshmati

This paper investigates the simultaneous causal relationship between investments in information and communication technology (ICT) and flows of foreign direct investment (FDI), with reference to its implications on economic growth. For the empirical analysis we use data from 23 major countries with heterogeneous economic development for the period 1976–99. Our causality test results suggest tha...

2015
Vishal Chandr Jaunky

The paper examines the copper consumption-economic growth nexus for 16 rich economies from the period 1966 to 2010. Various generations of panel unit root and cointegration tests are applied. Both series are found to be integrated of order one. Evidence of cointegration is found especially when controlling for breaks and long-run cross-sectional dependence. Causality is investigated using a vec...

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