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The efficiency of the art market : evidence from variance ratio tests, linear and nonlinear fractional integration approaches
Aye, Goodness Chioma
;
Gil-Alana, Luis A.
;
Gupta, Rangan
;
Wohar, Mark E.
(
Elsevier
,
2017-09
)
Persistence of precious metal prices : a fractional integration approach with structural breaks
Gil-Alana, Luis A.
;
Chang, Shinhye
;
Balcilar, Mehmet
;
Aye, Goodness Chioma
;
Gupta, Rangan
(
Elsevier
,
2015-06
)
Trends and cycles in historical gold and silver prices
Gil-Alana, Luis A.
;
Aye, Goodness Chioma
;
Gupta, Rangan
(
Elsevier
,
2015-11
)
Forecasting the probability of recessions in South Africa : the role of decomposed term spread and economic policy uncertainty
Aye, Goodness Chioma
;
Christou, Christina
;
Gil-Alana, Luis A.
;
Gupta, Rangan
(
Wiley
,
2019-01
)
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Author
Aye, Goodness Chioma (4)
Gil-Alana, Luis A. (4)
Gupta, Rangan (4)
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Chang, Shinhye (1)
Christou, Christina (1)
Wohar, Mark E. (1)
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Art market (1)
Cycles (1)
Economic policy uncertainty (EPU) (1)
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Gold and silver prices (1)
Market efficiency (1)
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