How do services of owner-occupied housing affect income inequality and redistribution?

This paper aims at analyzing the redistributive impact that the inclusion of the imputed rental market value of owner-occupied housing would have if used for quantifying the ability to pay rather than imputation based on cadastral values. We consider the Spanish personal income tax as reference, due to the differential treatment that it provides for imputed income from owner-occupied housing, together with the exceptionally high percentages of home ownership in Spain. By means of micro-simulation we explore the consequences of alternative possibilities for dealing with implicit income from owner-occupied housing.     

Dispatching and routing of emergency vehicles in disaster mitigation using data fusion

The aim of this paper is to develop a robust methodology for the dispatching and routing of emergency vehicles (EVs) in a post-disaster environment with the support of data fusion. In this work, we consider an earthquake scenario with a large number of casualties needing medical attention. Given an influx of information (regarding casualties, road, traffic conditions, etc.), data are fused to provide estimates of the entities under consideration. We use this information to dispatch and route EVs to casualty pickup locations, followed by delivery to appropriate hospitals. Key factors here include patient priorities, clustering criteria, and distance. Similarly, factors affecting the dispatching of EVs from patient locations to hospitals include waiting time at hospital emergency rooms, hospital capacity, and distance. Routes must be generated for EVs by accounting for real-world road networks, existing road damage, congestion, and related issues. We develop a dispatching and routing simulation model, and utilize a case study to evaluate the performance of our proposed methodology.     

新型物流服务模式探讨

随着社会经济的快速发展,物流企业之间的竞争日益加剧,客户选择的空间越来越大。只有提供准时、高效、直接的优质物流服务,并对客户投诉做出快速回应,才能更好地满足客户需求。同时,物流公司还要不断营造良好的企业文化氛围,给客户以新的感觉和期望,以建立忠诚的客户群。     

产业内贸易与服务贸易竞争力关系理论综述

随着经济的发展,产业内贸易、服务贸易在今天的社会生活中变得日益重要,产业内贸易的发展对推动服务贸易的发展,提高服务贸易国际竞争力的作用也越来越得到人们的关注。文章分别对产业内贸易、服务贸易竞争力及涉及其两者间关系的理论进行梳理总结。     

我国金融行业的特点及金融国际化产生的不利影响

我国金融服务的质量竞争力还较为低下,金融国际化必然会带来更大的金融风险和不可避免的负面影响,这对我国金融服务业提出了巨大的挑战,所以国际化对中国金融体系来讲也是一个代价颇大的变革过程。本文在回顾了金融服务质量竞争力的主要评价指标的基础上,描述了目前我国金融服务质量竞争力的基本现状,详细分析了金融国际化对金融服务质量竞争力的产生的不利影响,以期对金融国际化趋势下如何深化我国金融体制改革有所启示。     

中部六省农村服务业发展水平评价的实证研究

利用因子分析法,选取了十个指标,对中部六省农村服务业发展水平进行了综合评价。结果表明,中部六省农村服务业发展水平的差距较大,大概可以分为三个集团：第一集团有山西和江西,其农村服务业发展为上游水平,领先其他省份;第二集团有河南、湖北、安徽,其农村服务业发展为中游水平,第三集团是湖南,其农村服务业发展为下游水平。     

生产性服务业内部的关联分析——基于投入产出表的天津例证

运用投入产出法对生产性服务业内部各行业之间的关联效应进行研究,通过实证研究表明,天津市生产性服务业内部各行业间关联程度不同,其中交通运输、仓储和邮政业表现突出;与中国平均水平相比,天津生产性服务业各行业更容易拉动天津市生产性服务业的发展,但从天津生产性服务业内部结构主要构成看,天津生产性服务业内部结构不尽合理,应在保持现有结构的同时,注重发展租赁和商务服务业等新兴产业,打破技术类服务业的发展制约,优化产业结构,促进天津市生产性服务业进一步发展。这一研究对于生产性服务业产业发展具有一定的理论和现实意义。     

多主体参与的旅游服务创新研究综述

服务创新是提升旅游产业竞争力的有效路径,多主体参与的旅游服务创新是旅游业发展的趋势。在旅游服务创新的研究历程中,学者们从不同参与主体,针对旅游产业不同领域的旅游服务创新理论和实践进行了研究。本文分别对旅游者、旅游从业人员、旅游供应商、旅游代理商、其他合作主体等不同主体参与旅游服务创新的文献进行了梳理和总结,并在此基础上提出了多主体参与旅游服务创新需要进一步研究的问题。     

Operational planning of vehicles for rescue and relief operations considering the unavailability of the relocated vehicles

Rapid urbanization has led to increasing fire incidents and false alarms, increasing the response time of fire departments. When a call arrives, the current technology deploys and relocates the vehicles based on their immediate impact on the system's preparedness. However, the unavailability of the relocated vehicles is often ignored during the relocation, thus the system's preparedness is overestimated. This paper presents a novel mixed-integer programming (MIP) model developed for the relocation and deployment of emergency/fire vehicles. The proposed model incorporates the unavailability element, and estimates system preparedness for future incidents more accurately than current models. To confirm the efficiency of the proposed approach, the required simulations were conducted in Mashhad, Iran. The results demonstrated the ability of the proposed model to improve the performance of the fire department in several performance metrics. We also provide sensitivity analysis over the critical parameters to demonstrate the robustness of the model.     

Churn analysis for an Iranian mobile operator

To survive in the challenging environment of a global market, organizations must recognize and analyze customer attitudes. To be competitive, organizations must recognize and forecast customer preferences and behaviors to maximize customer retention before their rivals do so. This research identifies factors that affect customer churn, the single most valuable of an organization's assets. One year's data from call log files relating to 3150 customers were selected randomly from an Iranian mobile operator call-center database. Binomial Logistic Regression was the method of analysis used in this research. The results of this research indicate that a customer's dissatisfaction, their amount of service usage and certain demographic characteristics have the most influence on their decision to remain or churn. The results also imply that customer status (active or inactive status) mediates the relationship between churn and the cause of churn. The Iranian government's current plan to privatize the telecommunications industry without deregulation leads to a non-square competition environment. Deregulation in favor of delegating more authorities of customer care is necessary in order to develop a square private competition environment in the Iranian mobile telecommunications industry.