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Estimating the Value of California Wine Grapes

机译：估算加州葡萄酒的价值

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摘要

The California Grape Crush Report (Crush Report) is an authoritative source of information on production and returns per ton by variety of wine grapes that includes summaries of quantities produced and estimates of the average prices and value of wine grapes crushed in California. The data provided in the Crush Report are used to calculate the total value of wine grape production as reported in the annual Agricultural Statistics reports published by the U.S. Department of Agriculture and in major industry publications. We use the differences among crush districts in the shares of production crushed to growers' accounts to show that the current mechanism of calculating average statewide returns per ton understates the true total value of the crush by 14 to 20 percent. We show that a more accurate estimate of the total value and average price can be obtained if the prices of the wine grapes that are sold are used to infer the prices of wine grapes that are not sold before computing the weighted averages.
机译：加州葡萄压榨报告（Crush Report）是有关各种酿酒葡萄每吨产量和回报的权威信息来源，其中包括生产量的摘要以及在加利福尼亚压榨的酿酒葡萄的平均价格和价值的估算值。粉碎报告中提供的数据用于计算美国农业部发布的年度农业统计报告和主要行业出版物中报告的酿酒葡萄总价值。我们使用压榨区之间在压榨到种植者账户的生产份额中的差异来表明，目前计算全州平均每吨收益的机制将压榨的真实总价值低估了14％到20％。我们显示，如果在计算加权平均值之前，将所出售的酿酒葡萄的价格用于推断未出售的酿酒葡萄的价格，则可以获得更准确的总价值和平均价格估算。

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