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埃塞俄比亚近期通胀压力的来源以及食品与非食品价格之间的相互联系。

Sources of recent inflationary pressures and interlinkages between food and non-food prices in Ethiopia.

作者信息

Demeke Helen, Tenaw Dagmawe

机构信息

Department of Economics, Dire Dawa University, Dire Dawa, Ethiopia.

出版信息

Heliyon. 2021 Nov 13;7(11):e08375. doi: 10.1016/j.heliyon.2021.e08375. eCollection 2021 Nov.

Abstract

This study investigates the main sources of recent inflationary pressures from 1999Q1 to 2019Q4 using linear and non-linear Auto-Regressive Distributed Lag (ARDL) Models. It also examines the pass-through effects and causality between food and non-food prices using Dynamic Ordinary Least Square (DOLS) estimation and Toda-Yamamoto Granger Causality approach. The main findings of this study indicate that inflation expectation, money supply growth, world food price, real income, and food supply are found as the main short-run and long-run drivers of . While, appears to be mainly explained by expected inflation, exchange rate, administered price, and world non-food price level. The results further reveal that exchange rate, real income, world price, and food supply have asymmetric effects on the overall inflationary process. On the other hand, evidence of second-round effects between food and non-food prices is confirmed although a strong and long-lasting effect comes from food prices. The Granger causality test results also support a two-way causality between the two price groups. After all, this study suggests considering the specific behaviors and sources of food and non-food prices, as well as the transmission effects between them so as to effectively control the underlying inflationary shocks and maintain price stability in the economy.

摘要

本研究使用线性和非线性自回归分布滞后(ARDL)模型,调查了1999年第一季度至2019年第四季度近期通胀压力的主要来源。它还使用动态普通最小二乘法(DOLS)估计和托达-山本格兰杰因果关系方法,研究了食品价格与非食品价格之间的传递效应和因果关系。本研究的主要结果表明,通胀预期、货币供应增长、世界食品价格、实际收入和食品供应被发现是……的主要短期和长期驱动因素。而……似乎主要由预期通胀、汇率、管理价格和世界非食品价格水平来解释。结果还进一步表明,汇率、实际收入、世界价格和食品供应对整体通胀过程具有不对称影响。另一方面,虽然食品价格产生了强烈且持久的影响,但食品价格与非食品价格之间第二轮效应的证据得到了证实。格兰杰因果检验结果也支持两个价格组之间存在双向因果关系。毕竟,本研究建议考虑食品价格与非食品价格的具体行为和来源,以及它们之间的传导效应,以便有效控制潜在的通胀冲击并维持经济中的价格稳定。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ffa0/8605288/8a53cfc751e0/gr1.jpg

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