英文文献:Price Transmission Mechanisms among Disaggregated Processing Stages of Food: Demand-Pull or Cost-Push?-食品加工各阶段的价格传导机制:需求拉动还是成本推动?最近食品和大宗商品价格同时飙升,重新引发了有关生产者价格和消费者价格之间因果关系的辩论
英文文献作者:Kwon, Dae-Heum,Koo, Won W.
英文文献摘要:
The recent concurrent surges of food and commodity prices renew the debate on the causal directions between producer and consumer prices. To address this issue, we utilize the stage of processing system incorporating retail stage beyond crude, intermediate, and finished processing stages of food and employ the method proposed by Toda and Yamamoto (1995) and Dolado and Lütkepohl (1996) of Granger causality tests. The overall results show that consistent with theory of derived demand, the demand-pull mechanisms coexist with the cost-push processes in 1985-2001. However, the upward cost-push pressures dominate the demand-pull mechanism through various transmission channels in 2002-2008.
为了解决这一问题,我们利用加工系统的阶段,除了食品的粗、中间和成品加工阶段外,还包括零售阶段,并采用Toda和Yamamoto(1995)和Dolado和Lutkepohl(1996)提出的格兰杰因果检验方法。总体结果表明,1985-2001年需求拉动机制与成本推动过程并存,与派生需求理论一致。然而,在2002-2008年,通过各种传导渠道,上升的成本推动压力主导了需求拉动机制。


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