According to reports, ZARA can deliver new designs to stores from the sketching stage within 10–15 days, which allows them to adjust to rising styles fast, test new tastes and ... I ran a linear ...

In a fuzzy regression discontinuity (RD ... if the endogeneity bias is positive, the Fuzzy RD t-test has little power to detect true negative effects, and inflated power to find false positives. The ...