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Age cohort analysis of the 20th century decline in U.S. farm numbers.

机译:20世纪美国农场数字的年龄队列分析。

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The demographic component of the decline in US farm numbers is analysed by tracking the size of farm operator age cohorts. Interpolation of recent irregularly-spaced census data facilitates comparison with earlier agricultural censuses. Cohort profiles indicate an inverted U-shape in the relationship between farm numbers and cohort age. Successive cohorts have been smaller than their predecessors, and withdrawal rates of older operators have fallen in recent years. Projections based on entry-withdrawal patterns for 1987-92 suggest a decline in farm numbers from 1.93 million in 1992 to 1.48 million in 2002 and 1.29 million in 2007. Imbalance between withdrawing older operators and younger new entrants could encourage a broadening of the pool of farm entrants and changes in farm ownership, operating and financing arrangements.
机译:通过跟踪农用经营者年龄群组的规模来分析美国农场数量下降的人口成分。 近期不规则间隔的人口普查数据的插值有助于与早期的农业普查进行比较。 队列概况表示农场数和裁群之间的关系中的倒U形。 连续的队列比他们的前任小,近年来越来越多的旧运营商的提款率。 基于1987-92的入境撤出模式的预测表明,2002年1992年的119.3万元的农场数量下降至2002年的148万元,2007年的1290万。撤出更老的运营商和年轻新进入者之间的不平衡可能会鼓励扩大池 农业参赛者和农场所有权的变化,经营和融资安排。

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