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英文文献：Local Effects of Hog Production on Farm and Non-Farm Economic Outcomes-生猪生产对农场和非农业经济结果的局部影响
英文文献作者：Sneeringer, Stacy E.,Hertz, Thomas
英文文献摘要：
In the past 20 years the average scale of hog operations has expanded more than fourfold, and some of the new large-scale hog feeding operations have been opposed by residents in some communities. While the environmental effects of such production have been relatively well studied, less examined are its potential positive effects on local labor markets and economies. Existing estimates based on production-function and input-output analysis imply that each additional 1000 hogs in inventory in a county generates between 3 and 7 local jobs. In this paper we adopt an econometric approach instead, to estimate the effects of changes in hog production on changes in both farm and non-farm outcomes. We find that total county employment increases by less than previously reported, with about two additional jobs being created per 1000 head of hogs in inventory.
在过去的20年里，生猪经营的平均规模扩大了四倍多，一些新的大规模饲养生猪的经营遭到了一些社区居民的反对。虽然对这种生产的环境影响进行了相对深入的研究，但对其对当地劳动力市场和经济可能产生的积极影响进行的研究较少。现有的基于生产函数和投入产出分析的估计表明，一个县每增加1000头生猪库存，就能创造3至7个当地就业岗位。在本文中，我们采用计量经济学的方法来估计生猪产量的变化对农业和非农产出变化的影响。我们发现，整个县的就业增长比之前报道的要少，每1000头库存生猪增加了大约两个额外的就业机会。
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