Somatic cell counts in dairy marketing: quantile regression for count data
研究了美国奶牛场牛奶体细胞计数的影响因素，用计数数据分位数回归分析供应链中买方惩罚和激励措施对高体细胞计数牧场的影响，发现溢价能显著降低最高体细胞计数。
We study the determinants of somatic cell count (SCC) for farm milk among US dairies. We synthesise much of the work that has been done to model SCC determinants in order to identify the potential impacts of buyer-imposed penalties and incentives within the supply chain. Additionally, we estimate quantile regression for count data to measure impacts specifically for those operations with the highest SCC and to account for the statistical properties of the data. Premiums in particular have the potential to reduce SCC considerably where it is currently the highest. We draw implications for profitability in relation to SCC reduction.