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首页> 外文期刊>Journal of Agricultural and Applied Economics >Optimal Dynamic Management of Agricultural Land-Uses: An Application of Regime Switching.
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Optimal Dynamic Management of Agricultural Land-Uses: An Application of Regime Switching.

机译：农业土地利用的动态优化管理：制度转换的应用。

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摘要

The capacity of global agricultural production to meet increased demand for food from population growth and wealth accumulation is threatened by extensive land degradation. Nonetheless, previous research has focused primarily on the dynamic implications of input management and ignored land-use choice. This paper extends this theory through an examination of the intertemporal management of agricultural land through the use of non-crop inputs, such as fertilizer, and land uses that either degrade or restore productivity. The need to consider the relative total asset value of alternative crops over time is demonstrated. Moreover, higher output prices for degrading crops are shown to increase their relative value, motivating the later adoption of substitutes. An inability of land markets to reflect differences in resource quality and low capital malleability promote greater degradation. However, substitution of complementary effects through input use may help to sustain productivity. These factors are discussed in the context of crop sequence management in Western Australian cropping systems.
机译：土地大量退化威胁着全球农业生产满足人口增长和财富积累对粮食增加需求的能力。但是，先前的研究主要集中在投入管理的动态含义和土地使用选择的忽略。本文通过考察非耕作投入（例如化肥）以及对土地退化或恢复生产力的土地利用，对农业用地的跨期管理进行了研究，从而扩展了这一理论。证明了需要考虑替代作物随时间的相对总资产价值。此外，显示出较高的降解农作物价格会增加其相对价值，从而促使后来采用替代品。土地市场无法反映资源质量的差异和较低的资本可延展性会加剧土地退化。但是，通过投入使用替代互补效应可能有助于维持生产率。在西澳大利亚州种植系统的作物序列管理中讨论了这些因素。

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