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This paper uses firm-level data to investigate the resilience of the Portuguese wine sector's domestic market in the …
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We test the nature of weak form informational efficiency present in the wine market using daily return of LIV-EX 50 …-linear dependence in the return series was found. The Hurst coefficient values confirm the presence of long run persistence in the wine … market. Based on the mixed evidence, we test the possibility of adaptive nature of the wine market. We employ the newly …
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