Department of Agricultural Economics, Texas A&M University, College Station 77843-2124, USA.
J Dairy Sci. 2010 Apr;93(4):1774-81. doi: 10.3168/jds.2009-2733.
United States agriculture is dependent on foreign labor. Current US immigration policies have been alleged to disrupt agricultural labor availability, particularly that of hired foreign labor. A national survey of dairy farmers across herd sizes and regions of the United States was conducted and the results were used to estimate the extent to which hired foreign labor dependency will affect exit intentions in dairy farming. This study found that the expected probability of exit from dairy farming increased as the use of hired foreign labor intensified. But the expected probability of exit also decreased rapidly as herd sizes got larger. Given the immigration policy currently in place, farmers expecting labor shortages in the future are expected to experience greater tendency to exit the industry.
美国农业依赖外国劳动力。据称,当前的美国移民政策扰乱了农业劳动力的供应,尤其是受雇的外国劳动力。对美国各地不同规模和地区的奶农进行了一项全国性调查,利用调查结果来估算受雇外国劳动力的依赖程度将如何影响奶农退出的意愿。这项研究发现,使用受雇外国劳动力的情况越严重,奶农退出的预期概率就越高。但是,随着畜群规模的扩大,退出奶农行业的预期概率也迅速下降。考虑到当前的移民政策,预计未来会出现劳动力短缺的农民将更有可能退出该行业。