We test the nature of weak form informational efficiency present in the wine market using daily return of LIV-EX 50 … market. Based on the mixed evidence, we test the possibility of adaptive nature of the wine market. We employ the newly … proposed Adaptive Index (AI) to quantify the degree of information inefficiency in the wine market at any instance. Our results …

This paper uses firm-level data to investigate the resilience of the Portuguese wine sector's domestic market in the … reflected by variables such as firm size, age, export intensity, market channel as well as on the geographic location of firms …