首页 | 本学科首页   官方微博 | 高级检索  
相似文献
 共查询到20条相似文献,搜索用时 156 毫秒
1.
丁士海  韩之俊 《技术经济》2009,28(4):123-128
总结回顾了基于Bass模型的品牌扩散模型的主要研究进展,依据是否考虑了重复购买因素将品牌扩散模型分为品牌首次购买模型和品牌尝试-重复购买模型,并对两类模型进行了归纳和比较;探讨了在放宽基本扩散模型限制性假设方面的主要成果,并指出了未来研究的方向。  相似文献   

2.
电力客户具有生命周期,电力客户生命周期是指电力客户关系水平随时间变化的发展轨迹,它描述了客户关系从一种状态(一个阶段)向另一种状态(另一阶段)运动的总体特征。本文的研究目标就是基于电力客户的特殊性,提出了电力客户生命生命周期的划分及各阶段的特征。给出了表征电力客户关系发展水平的变量,对各个表征变量,在电力客户生命周期周期各阶段的变化趋势进行分析和研究,并根据各表征变量在各生命周期不同阶段的变化情况,给出典型的电力客户生命周期曲线。从而分析、研究并建立电力客户的生命周期模型,基于生命周期理念,提出新的电力客户细分方法,即:基于电力客户生命周期理念的客户分类,并针对不同细分客户制定相应的营销策略。  相似文献   

3.
杨淼  乔魏若寒 《技术经济》2023,42(5):201-212
随着我国数字经济快速发展,产品营销不仅需要满足物质需求,还要满足心理和精神需要,品牌跨界联名营销成为当前正在快速发展的产品营销模式之一。品牌联名产品作为近年来年轻人消费群体偏爱的产品类型之一,未来发展势头不容小觑。本文基于消费者感知价值理论视角,在前人研究成果基础上提出研究假设,构建“品牌联名产品属性—消费者感知价值—消费者购买意愿”的理论模型;通过网络问卷调查方式收集数据,运用SPSS和Mplus软件对数据进行验证分析。研究发现:企业在进行品牌联名时不能一味追求名牌效应,而应从消费者感知的情感价值、社会价值和成本水平入手着重提升产品内在价值;在寻求品牌联名时应优先考虑品牌联名双方的价值适配性;灵活适度使用限量供应、提高产品价格等营销方式。本文研究一方面从品牌联名产品属性角度拓展了消费者感知价值及其购买意愿的影响因素研究内容;另一方面为企业开发品牌联名产品从消费者感知价值角度提供可资借鉴的实践启示。  相似文献   

4.
本文旨在产品生命周期理论的基础上,将产业标准化发展划分为五个阶段,建立产业标准化生命周期发展模型,通过实证分析,验证眉山泡菜产业所处的标准化阶段,并根据其现阶段的发展特点,提出针对性的建议。  相似文献   

5.
周素萍 《生产力研究》2011,(12):286-288
文章对国内外集群成长阶段的相关研究进行了综述。国外对集群成长阶段的划分有两阶段模型、产业集群演化模型、生命周期理论和五阶段成长模型。国内对集群成长阶段的划分有两阶段论、三阶段论、四阶段论以及高新科技园区成长的四阶段论。最后得出结论,认为集群成长阶段最经典和广为认可的划分方式是生命周期理论的四阶段理论,即孕育期、成熟期、成长期和衰退期。  相似文献   

6.
产品生命周期理论是市场营销的核心理论之一。产品生命周期包括引入期、成长期、成熟期和衰退期四个阶段。产品生命周期的不同阶段其市场特点和营销目标各不相同,营销策略也有所差异。以上海大众的经典品牌"桑塔纳"为例,分析了汽车产品在生命周期各个阶段的营销策略选择,对汽车行业的营销策略选择有一定的借鉴意义。  相似文献   

7.
关系营销的4Rs理论认为关系营销是由交易双方在重复博弈的过程中都获得了预期收益,使企业与顾客保持长期、友好依存关系的活动过程。本文运用两阶段博弈模型和重复博弈模型对关系营销的过程进行了分析,提出了企业实施关系营销的有效措施。  相似文献   

8.
阳芳 《经济论坛》2008,(10):80-82
自从Copeland首先提出品牌忠诚概念以来,国内外相关文献中有许多关于品牌忠诚的定义。笔者采用奥立弗(Oliver,1999)定义的品牌忠诚,即一种对偏爱的产品和服务的深深承诺,在未来都持续一致地重复购买和光顾,因此产生了反复购买同一个品牌或一个品牌系列的行为,而不受情境和营销力量的影响,不会产生转换行为。  相似文献   

9.
石玉双  傅建设 《时代经贸》2012,(22):224-225
本文以2008年-2010年沪深A股制造业上市公司为研究对象,从企业生命周期的角度,首先对企业生命周期进行阶段划分,接着探讨企业生命周期和财务风险的关系。研究发现,处于不同生命周期阶段的企业的财务风险具有显著差异;相对于成熟期,处于成长期和衰退期的企业具有较高的财务风险。  相似文献   

10.
杨铭  苗雨君  盛秋生 《经济师》2004,(7):171-171,173
企业生命周期理论和广告营销对企业的生存和发展具有重要指导意义。文章从企业生命周期理论入手 ,分析研究企业生命周期不同阶段的主要特征 ,针对不同的特征 ,分析并提出了应采取的广告营销策略。  相似文献   

11.
基于Logistic模型的房地产行业信用风险研究   总被引:1,自引:0,他引:1  
肖冰  李春红 《技术经济》2010,29(3):65-68
本文运用Logistic模型对房地产行业的信贷违约风险进行评估和预测,并对模型的拟合优度进行了检验,论证了该模型的实用性和准确性,得出房地产行业具有特殊的信贷风险特征的结论,并指出除财务指标外,宏观经济指标也是影响我国房地产公司信用风险的重要因素。  相似文献   

12.
Stochastic volatility models with fixed parameters can be too restrictive for time-series analysis due to instability in the parameters that govern conditional volatility dynamics. We incorporate time-variation in the model parameters for the plain stochastic volatility model as well its extensions with: Leverage, volatility feedback effects and heavy-tailed distributed innovations. With regards to estimation, we rely on one recently discovered result, namely, that when an unbiasedly simulated estimated likelihood (available for example through a particle filter) is used inside a Metropolis-Hastings routine then the estimation error makes no difference to the equilibrium distribution of the algorithm, the posterior distribution. This in turn provides an off-the-shelf technique to estimate complex models. We examine the performance of this technique on simulated and crude oil returns from 1987 to 2016. We find that (i): There is clear evidence of time-variation in the model parameters, (ii): Time-varying parameter volatility models with leverage/Student's t-distributed innovations perform best, (iii): The timing of parameter changes align very well with events such as market turmoils and financial crises.  相似文献   

13.
叶仁道  张勇  罗堃 《技术经济》2017,36(11):79-85
首先利用带有非期望产出的SBM测算了2005—2015年中国29个省(自治区、直辖市)的绿色经济效率,并验证了其偏正态分布特征。在此基础上,构建了偏正态面板数据模型,研究了中国绿色经济效率的影响因素。然后,运用基于EM算法的极大似然法估计模型参数,并将其参数估计结果与正态面板数据模型的参数估计结果进行比较。结果表明:偏正态面板数据模型具有更好的统计优良性;经济发展水平、外资利用水平和教育投入对绿色经济效率具有正向影响;产业结构、城市化水平和污染治理投入对绿色经济效率产生负向影响。  相似文献   

14.
邮政普遍服务成本不清严重阻碍邮政通信市场开放。本文从收寄、处理、运输和投递四个邮政生产环节出发,以邮运网络节点——邮区中心局为核心,采用网络分析方法,剖析了邮政普遍服务成本的构成,建立了成本测算模型,讨论了模型变量与参数的取值方法。  相似文献   

15.
The problem of maximum likelihood estimation of time-varying parameters is considered. A hierarchical approach is proposed that involves, first, the estimation of the model order and parameters when they are assumed time-invariant. Second, for each parameter, an autoregressive (AR) model, with constant coefficients, is developed. This allows the parameters to change over time. Finally, the estimates of the AR coefficients for each parameter are used as initial conditions to a time-varying model with AR coefficients, which are allowed to change over time subject to some regularity constraints. This approach is then applied to the Athens Stock Exchange index, where the dominant forces affecting this index are analysed.  相似文献   

16.
傅强  程峰  汪俊生 《技术经济》2011,30(3):77-80,127
以动态随机前沿模型为基础,采用基于吉布斯抽样的马尔科夫链蒙特卡洛方法,运用1998—2007年我国银行类金融机构的基本数据对模型的各参数进行贝叶斯估计,得到我国银行类金融机构的技术效率评价结果。结果表明:我国银行类金融机构的技术效率均值为96.68%,运行效率较高,这说明我国推行的银行业改革卓有成效。  相似文献   

17.
This paper considers the econometric estimation of a two-factor model of the short-term interest rate. We develop a procedure for the time series estimation of its parameters, based on recently developed Gaussian estimation methods which are extended to handle unobservable state variables. The main methodological contribution is the derivation of an exact discrete model and the exact Gaussian likelihood function in terms of the discrete observations and structural parameters of the two-factor model. The model is estimated on one month euro-currency interest rate data for seven currencies – the Belgium franc, Canadian dollar, Dutch guilder, French franc, German mark, Italian lira, and the US dollar over the period February 1981 to December 1995 – and our results indicate that the method works well in practice. The empirical estimates reported in this study can be used to compare estimates from the calibration of an arbitrage-free analogue of the model to market prices of interest rate caps and swaptions for use in the financial markets. (J.E.L.: C13, E43).  相似文献   

18.
This paper concerns predicting enrollment in payment for ecosystem services (PES) programs to promote habitat preservation on private lands. We develop a beta-binomial model to address both program participation and the amount of land enrolled by each potential enrollee. We apply the estimation approach to stated preference data from non-industrial private forest owners in Finland. As an alternative econometric model, we also develop a multivariate censored regression model of enrollments. Using cross-validation, we find that the beta-binomial model predicts at least as well as the multivariate censored model yet has fewer parameters. Using our estimation results, we demonstrate policy predictions regarding program enrollment and landowner opportunity cost.  相似文献   

19.
Parameter variability randomness in diffusion (PVRD) models based on random differential equations have recently been developed to study stochastic evolution of adopters. Analysis of such models is found to generate multimodal life cycle patterns (or intervening slumps) besides the conventional unimodal pattern. Application of these models to real data sets necessitate estimation of parameters of the model. Nonlinear least squares estimation problem is formulated to deal with the minimization of high-dimensional cost function. Using the simulated annealing (SA) framework, effectiveness of the estimation approach and the fitting algorithm is demonstrated in terms of “fit statistics.” An important finding from empirical studies reveal that even in unimodal life cycle patterns, parameters of innovation diffusion process are found to possess considerable variability. This finding amply demonstrates the presence of heterogeneity on account of population variability.  相似文献   

20.
We note that calibration parameters in a multi‐country Armington trade model play a role similar to that of econometric residuals: they allow the model to fit the data exactly. We use this premise to evaluate the “fit” of a standard multi‐country computable general‐equilibrium model. We find that the model relies heavily on these parameters to explain the pattern of trade. In 33 of the 46 commodity groups we assess, modeled economic behavior explains less than 20% of the variation in bilateral trade. In a calibration‐ as‐estimation experiment, we estimate the commodity‐specific elasticities of substitution consistent with a well‐fitting model and find that they are substantially higher than widely accepted estimates.  相似文献   

设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号