Statistical analysis of investments in transport infrastructure, passenger numbers, and energy consumption by modes of transport in Romania

A. Stătescu
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引用次数: 1

Abstract

Abstract Economic and financial analysis is a method of knowing the mechanism of formation and modification of the economic phenomena by their decomposition into the component elements and by identifying the factors of influence. The object of decomposition by elements or factors may be a result (structural analysis), or a change in the result from a basis of comparison (causal analysis). In the present paper I propose an analysis of the investments according to the number of passengers and the consumption of energy on national transport modes in Romania within a period of 15 years, respectively between 2000 and 2015. For this purpose the data that will be used was published by the National Institute of Statistics, namely three indicators: investments in transport infrastructure, the weight of each mode in passenger transport and the consumption of energy by modes of transport. Energy consumption by modes of transport is the final energy consumption of transport activity by modes of transport, expressed in tones oil equivalent (toe). The quantities of energy used in international maritime and air transport and pipeline transport are not included. The main types of fuels used are the main fuels covered by petroleum products, electricity and small amounts of gas and biofuels. The weight of each mode in passenger transport is defined as the percentage share of each mode of transport in total domestic passenger transport. The modes of transport considered are: a) cars, b) buses and coaches, and c) trains (metro and trams and light metro are excluded). Domestic passenger transport includes data referring only to national transport, irrespective of the nationality of the transport vehicle. The weight is calculated from the passenger-km indicator (pkm), defined as the transport of a passenger over one kilometer. The investments in the transport infrastructure represent the construction works carried out for the development of the transport infrastructure. In order to carry out the statistical analysis of the investments in the transport infrastructure, the number of passengers and the energy consumption in transport modes in Romania, multiple linear regression models and time series analysis will be used.
罗马尼亚交通基础设施投资、乘客数量和交通方式能耗的统计分析
经济金融分析是通过将经济现象分解为组成要素,识别影响因素,从而认识经济现象形成和变化机理的一种方法。元素或因素分解的对象可以是结果(结构分析),也可以是比较基础上的结果变化(因果分析)。在本文中,我建议根据罗马尼亚在2000年至2015年期间15年内的乘客数量和国家运输方式的能源消耗对投资进行分析。为此目的,将使用的数据由国家统计局公布,即三个指标:运输基础设施投资、每一种客运方式的重量和运输方式的能源消耗。运输方式的能源消耗是运输方式的运输活动的最终能源消耗,以音调石油当量(toe)表示。国际海运、空运和管道运输中使用的能源数量不包括在内。使用的主要燃料类型是石油产品、电力和少量天然气和生物燃料所涵盖的主要燃料。每种运输方式在客运中的权重定义为每种运输方式在国内客运总量中所占的百分比。考虑的交通方式是:a)汽车,b)公共汽车和长途汽车,c)火车(地铁、有轨电车和轻轨地铁除外)。国内客运包括仅指国内运输的数据,而不考虑运输车辆的国籍。重量是根据乘客-公里指标(pkm)计算的,定义为一公里以上乘客的运输量。交通基础设施投资是指为发展交通基础设施而进行的建设工程。为了对罗马尼亚的交通基础设施投资、乘客数量和交通方式的能源消耗进行统计分析,将使用多元线性回归模型和时间序列分析。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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