نتایج جستجو برای: granger causality
تعداد نتایج: 52789 فیلتر نتایج به سال:
Granger causality is becoming an important tool for determining causal relations between neurobiological time series. For multivariate data, there is often the need to examine causal relations between two blocks of time series, where each block could represent a brain region of interest. Two alternative methods are available. In the pairwise method, bivariate autoregressive models are fit to al...
We provide a structural approach to disentangle Granger versus instantaneous causality effects from transaction durations to transaction prices. So far, in the literature, instantaneous causality effects have either been excluded or cannot be identified separately from Granger type causality effects. By giving explicit moment conditions for observed returns over (random) transaction duration in...
The interaction of BRICS stock markets with the United States is studied using an asymmetric Granger causality test based on the frequency domain. This type of analysis allows for both positive and negative shocks over different horizons. There is a clear bivariate causality that runs both ways between the United States stock market and the respective BRICS markets. In addition, both negative a...
This paper indicates causality as the tool that unifies the analysis of both activations and connectivity of brain areas, obtained with fMRI data. Causality analysis is commonly applied to study connectivity, so this work focuses on demonstrating that also the detection of activations can be handled with a causality analysis. We test our method on finger tapping data, in which GLM and Granger C...
this paper empirically investigates the exchange rate effects of iranian rial against dollar (rial vs.us) on stock prices in iran. the sample period for the study has been taken from march 20, 2004 to march 20, 2010 using daily nominal exchange rate of rial /us and daily closing values of tehran stock exchange. generalized autoregressive conditional heteroskedasticity (garch) model has been use...
this world; though all the discussions are focused on the causal relationships in allthe scientific arguments. one of the methods to study the designed causal relationshipsobjectively is granger causality test. this paper aims to investigate the longtermcausal relationship between the stock price and dividends. the statisticalpopulation includes 180 active companies in stock exchange of tehran ...
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The present study attempts to examine the casual relationship between foreign capital inflows and economic growth in India. Using the pair-wise Granger causality test (1969), this paper specifically examines casual relationship between foreign capital inflows and economic growth in India. The important observations emerge from pair-wise Granger causality test which shows there is the long-run e...
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