Do fluctuations in crude oil prices have symmetric or asymmetric effects on the real exchange rate? Empirical evidence from Indonesia

Current research on the oil price impacts on exchange rates typically relies on the assumption that fluctuations in crude oil prices have symmetric impacts on a country's real exchange rate. Thus, the contribution of the paper is to use the non‐linear autoregressive distributed lag (ARDL) method of Shin, Yu, and Greenwood‐Nimmo (2014) and examine whether crude oil prices are asymmetrically passed on to the real exchange rate in the case of Indonesia. We uncover that oil price changes indeed asymmetrically affect the Indonesian rupiah in both the long and short run; i.e., the movement in the Indonesian rupiah appears to be more responsive to rising oil prices than to declining oil prices.     

Asymmetric effects of oil price changes on the balance of trade: Evidence from selected African countries

The main new contribution of this study was to delve into the asymmetric impacts of changes in oil prices on the trade balance in the framework of six major African economies. To tackle this topic carefully, we employ three measures of external balances—oil, non‐oil and total trade balances, and assess the asymmetric response of the external balances of those six economies to oil price changes in the short and long run. Like most previous studies, we first assume the impacts of oil price fluctuations to be symmetric and employ the linear autoregressive distributed lag (ARDL) method to explore the topic. We then separate oil price hikes from oil price plunges and implement the non‐linear ARDL method to reveal that the price of crude oil has a vital role to play in the trade balances for those six African economies. Further, there is evidence of significant asymmetric impacts of oil prices typically on the oil trade balance of Africa's top oil producing countries. For the non‐oil and total trade balances, in contrast, there is little evidence of the asymmetry of oil price changes.     

中国与独联体国家原油水分检测结果差异分析

通过ASTM D 4006和ГОСТ2477标准和实验对比,验证了同一原油样本进行含水检测时,ГОСТ2477的检测结果小于ASTM D 4006的检测结果。     

基于DEA方法的原油生产企业节能绩效评价指标体系的建立研究

本论文综合分析了原油生产系统总体耗能环节,结合国内外专家学者关于原油项目评价相关资料结合实地调研、专家讨论,系统论证了评价指标选取和设立的原则,最终给出了基于DEA方法的原油生产企业节能绩效评价指标体系。     

原油计量交接的几个重要环节

在原油贸易交接计量过程中,影响原油计量交接的因素很多。分析了取样、测定、记录等操作环节中影响原油计量交接的几种现象,希望引起原油计量交接操作者的注意。     

基于动态规划的原油进口采购价格研究

随着我国经济的快速发展,国内生产的石油已不能满足经济发展的需要,进口原油量逐年增加,国际油价也一路高升,且我国原油进口方式不合理,存在一定的"买涨不买跌"现象。本文利用动态规划模型,根据实时价格数据确定采购价格,通过对采购价格选择的优化,节约进口采购成本。实证研究结果表明,本文方法具有一定优越性。     

关于如何保证10万m~3原油储罐施工质量的探讨

随着经济的高速发展,社会的不断进步,人们生活水平的提高,汽车行业发展情况乐观,从而带动了原油产业的发展。在原油提炼、储存等各项工序中,保证原油储罐的施工质量已成为一个关键的问题。本文对如何保证10万m3原油储罐施工质量进行探讨和研究。     

从操作实务角度认识进口原油工作的规律

中东地区和非洲已成为我国企业进口原油的选择地区,为适应市场,企业应根据石油资源情况装置进行一定的改造。文章详细介绍了进口原油的运作,加工的经济评估和风险管理。     

三相在线自动计量监测技术在油田生产中的应用

通过与油田传统原油计量技术的分析比较，提出了三相在线自动计量监测技术具有的误差小、在线连续计量、反应速度快、效率高等特点．经现场应用．取得良好效果．具有广阔前景。     

矿区内原油交接计量时误差存在原因分析

按照原油产量进站方式不同，以及计量工作的先后顺序，指出在联合站内原油交接计量时产生误差的环节有：管输进站原油表计量误差；拉油车进站时原油称重误差；原油取样不当误差；化验原油水值过程中产生的误差；盘库产量核实进站产量时产生的误差。误差主要为两大类，一类为仪器自身误差，一类为人为操作误差。