The researchers employ confidential transaction-level data from a major US wine importer covering October 2018 through March 2022. These data include detailed purchase invoices from foreign suppliers and sales invoices to US distributors. The authors supplement this with Connecticut state price-posting data for distributor-to-retailer transactions and retail price data from e-commerce platform Wine-Searcher. They compare price changes for tariffed wines (still wines at or below 14 percent ABV) with price changes for a control group consisting of sparkling wines and still wines exceeding 14 percent ABV from producers selling only nontariffed products.
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港股通科技ETF南方(159269)紧密跟踪中证港股通科技指数，中证港股通科技指数从港股通范围内选取50只市值较大、研发投入较高且营收增速较好的科技龙头上市公司证券作为指数样本,以反映港股通内科技龙头上市公司证券的整体表现。指数前十大权重股分别为阿里巴巴-W、腾讯控股、小米集团-W、美团-W、比亚迪股份、中芯国际、快手-W、药明生物、信达生物、小鹏汽车-W。