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消费结构的收敛外文翻译 本科毕业论文外文翻译外文题目: convergence of consumption structure 出 处: working papers ies作 者: tom? honzk, jana honzkov 外文原文 1. introduction purpose of this paper is to analyse the convergence of the consumption structure, both at the empirical and the theoretical levels for the convergence of consumption patterns, a couple of theoretical explanations can be used. our paper is based on the processes described by the post-keynesian theory of the consumer choice. this theory does not assume perfect information and perfect rationality based on mathematical optimization as the mainstream economic theory does. it starts with the fact of the existence of the so-called fundamental uncertainty: in reality it is usually impossible to assign probability to possible outcomes. this leads to the so-called procedural rationality: some behavior is rational if we can logically explain it, be it by imitation of self - behaviour in the past or behavior of some reference group after establishing the empirical fact of convergence, the post-keynesian motives of consumer behavior are specified. thereafter, a model of the dynamics of consumption structure is presented and simulation experiments with this model are described. these experiments are based on actual data about consumers in the czech republic and in germany in fact, we approximate by german consumers the old eu members consumers 2does the consumption structure really converge let us look at three figures based on the eurostat and oecd data sources in figure 1, the development of consumption expenditures for different categories of goods and services in the new eu members from 1995 to 2003 is demonstrated. except of the expenditures for food and non-alcoholic beverages, no many clear trends can be distinguished for each year, we calculated for each consumption category the variance of percentage shares of consumption, both for the group of old and the group of new eu members. we used the sum of variances across all consumption categories as our measure of convergence of consumption structure. the result is in figure 2, the convergence of consumption structure is clearly visible.figure 2 is based on eurostat data ? consumption expenditures of private households in figure 3, we touch the question of the long ? run stability of the consumption structure. based on a mix of oecdand eurostat data, it seems that once the consumption structure has converged, it stays relatively stable, as it is the case for the old eu members for the years 1980, 1990 and 2000 the convergence is quite quick, about two thirds of the gap between the old and new eu members were closed in 8 years 3post - keynesian motives of consumer behavior in contrast with the mainstream neoclassical theories of consumer behavior, in the post-keynesian approach to consumption, outlays for different goods are determined by social and psychological motives. in our model we assume four different motives of consumer choice。 1autocorrelation consumer choice depends on consumption in preceding period 2positive social correlation consumers imitate the consumption behavior of other consumers, both in the same employees group and the same income group, where the social contacts are supposed to be mostly during their leisure time 3negative social correlation consumers want to differ from consumers in lower income groups. in our model, we take into account just the consumption pattern in the nearest lower income group 4aspiration towards higher social groups consumers want to show the same consumption pattern as consumers in higher income groups. in our model, we take into account just the consumption pattern in the nearest higher income group. for each consumer all motives are differently weighted and based on this we get his or her final consumption structured among all types of consumption. 4model of the dynamics of consumption structure model analyses the structure of consumption we get from the decision making of single consumers dividing their income among different types of consumption according to the motives described above income is based on outlays for consumer goods in preceding period. we have a closed cycle in which consumers pay in sectors ? industrial branches - producing different types of goods. their payments are then divided among employees, after taking away taxes. the share of each employeedepends on the preceding structure of employees incomes. the role of the state is just the reallocation of tax income among employees in the form of social transfers. the share of transfers of each employee depends again on preceding incomewhat the employees get they spend in the next period for different types of consumer goodsso each individual plays both the role of an employee in an industrial branch and a consumer. the structure of the model is in figure 4 model runs in closed cycles ? periods. the basic information we get from each cycle is: the structure of consumption in the cycle according to different types of consumption, the income of each employee he or she will spend in the next cycle as a consumer and the shifts of employees ? consumers among different income groups in each period, following steps are done: 1the actual income of each consumer is divided among all types of consumption. the outlay for each type of consumption depends on following outlays in the preceding period, each outlay weighted by an exogenously given weight w0,.,w5 : own outlay weight w0 average outlay of the same income group weight w1 average outlay of the same employee group weight w2 average outlay of all consumers weight w3 average outlay of the nearest lower income group for all but the lowest income group weight ?w4 average outlay of the nearest higher income group for all but the highest income group weight w5 2total outlays for all consumption types are calculated ? these outlays are equal to total incomes of relevant employee branches 3for each branch, we decrease the total income by taxes and distribute the rest among employees ? consumers in the next period based on their previous incomes 4we redistribute among employees ? consumers the tax income in the form of government transfers; based on their income group in the preceding period and two exogenous parameters - number of recipient groups and the progression of transfers 5we divide employees ? consumers among income groups simplifying assumptions of the model are: no shifts of employees among branches no financial sector farther simplifying assumptions we used in the simulation experiments described below are: no savings no economic growth no gdp shocks 5data and parameters used for simulation we set the length of one period to be one month. we work with 1000 employees ? consumers,on the start of the program we distribute them equally among five income groups. based on the statistics of family accounts we calculate the original distribution of outlays for each consumption type of each income group. we add the highest income group, where the original distribution is calculated from the data for germany. the original distributions are in figure 5 consumption structure in the eu differs especially in food and beverages, where the share of outlays in the eu is lower, it is evident that this share decreases with growing income in the czech republic as well. considerable difference is in education, the outlays in the cr are just marginal the average income per person in the cr is 10.000 csk, starting employees income is calculated from the starting distribution of outlays among branches and from the distribution into income groups starting number of employees in each branch we calculate so as to get the same average wage in each branch. we assume that the distribution of employees into income groups is the same for all branches we assume that the structure of consumption in the eu is constant during the convergence period 6discussion of simulation results we set the default parameters of the model to: w0 0.5; w1 0.2; w2 0.2; w3 0.15; w4 0.1; w5 0.05 with these parameters, the most decisive motive for each consumer is his or her previous consumption weight 50 %. both the membership in an income group and in an employees group have the same influence on the consumption decision weight 20 %. the weight with that the consumers take the decisions of all consumers into account is 15%. the negative social correlation has twice as high weight as the aspiration towards higher social group 10 % and 5 % with these default parameters, the development of total incomes of sectors ? industrial branches during the first 50 iterations is in figure 6 we can see a clear tendency of decrease in expenditures on food and beverages and increase in expenditures on housing and education. in figure 7 and figure 8 we can see the development of expenditures for these consumption types for specific income groups it is evident that after a couple of periods, all income groups will converge toward the eu. in figure 9 we can see that after 50 iterations, the structure of consumption in the fourth and fifth income groups is in principle identical to the structure in the eu and even the differences for the three lower income groups are not big. so the model suggests, that the structure of consumption in the cr can approach the structure of consumption in the eu-15 in 50 periods about 4 years. the convergence of the model with chosen parameters is completed approximately after 140 periods about 12 years to present this result in a similar way as in the empirical analysis of convergence, we use in figure 10 the sum of variances as the measure of convergence. 7. the impact of changes of the tax rate on the speed of convergence with the growth of the tax rate the differences among incomes diminish. above the 60% tax rate, the redistributional effect is so high that we get strong fluctuations in both incomes and expenditures. bellow the 60% tax rate, we do not get any considerable impact of the tax rate changes on the speed of convergence. in figure 11 and figure 12 we can see the impact of the tax rate changes on expenditures in two industrial branches. in contradiction with the intuitive expectations, the growing tax rate makes the convergence of higher income groups slower even in the case in which the share of expenditures is originally higher than in the eu-15 and so the expenditures during the convergence diminish. this can beexplained by the fact that the change of income is one of the factors of consumption and with growing tax rate the share of this change on the preceding income ceteris paribus decreases. the relative impact of this change on the consumption structure decreases as well. but this effect is again negligible for the tax rate bellow 60 % tax burden makes the convergence slower just in one phase of the convergence process, once the differences in expenditure shares diminish, farther motives, for example the negative social convergence gain and the described effect dies out 8simulation experiments with other parameters we have performed a lot of simulation experiments with different parameters. interested readers can perform different simulations themselves with the software realization of our model on the /0. web page the software model allows the user to enter different model parameters as e.g. number of simulated cycles, weights of individual consumer branch/group incomes, indirect tax, savings,taxes and transfers per income groups. also modelling of the industrial branches growth, probabilities of shocks, their kind and duration is provided by the interactive model. allparameters are preset to reasonable values. moreover, the user-friendly interface allows to set options dedicated to generating the results. it means that the user can check or uncheck individual tables and graphs options according to his or her wishes. the possibility to include/exclude individual courses and tables helps to arrange the results well after performing the calculation results are displayed on an individual page. the top part of the page summarizes the entered model parameters and used abbreviations. tables and graphs comprising expenditures on food and beverages, alcohol and tobacco, clothing and shoes, housing and energy, furniture, health, transportation, telecommunications, recreation and culture, education, lodging and food and other goods follow. the separation of results according to individual branches should allow the user to easily imagine the development/progression in individual branches. the progression of savings, size of groups and incomes is also included in the form of tables and graphs. finally, the total growth of the model economy is summarized in a table and a graph together with disturbances译文: 消费结构的收敛 介绍 本研究的目的在于分析在实证和理论水平下的消费结构的收敛性。 收敛的消费模式,有几个的理论解释都可以使用。我们的投机是基于过程凯恩斯主义的投机所描述的消费者理论的选择。这个理论不承担优质高效的信息和完善的理性基于数学优化为主流经济学理论都是不一样的。它始于存在的事实所谓的大无常:在现实中通常是不可能把可能变成的结果概率。这导致了所谓的程序理性:一些行为是理性的,如果我们可以理性的解释,可以通过模仿的自我行为的过去或行为有一定的参考组。 建立经验事实的收敛性好等优点,凯恩斯主义的投机消费者行为的动机是在合同中规定的。此后的动力学模型,提出了一种消费结构和仿真实验用该模型进行了描述。这些实验根据实际数据,并对数据进行消费者在捷克共和国和在德国分析。事实上,我们近似由德国消费者老欧盟成员消费者。消费结构是否真的收敛吗? 让我们来看看三位数基于欧盟统计局和经济合作与发展组织资料来源。 图1消费支出的发展,为各种不同种类的产品和服务的欧盟新成员从1995年至2003年进行了论证。费用除外,食品和不含酒精饮料许多清澈的趋势可以加以区分。 代表一年,我们计算每个消费类别的方差股份比例消费,无论是对集团还是集团的老欧盟的新成员国。我们使用方差的总和在所有的消费分类,我们的衡量收敛性的消费结构。结果就在图2,消费结构的收敛性,可以很清楚地看见图2是基于欧盟统计局数据-私人家庭的消费支出。 图3,我们接触问题的运行稳定性的长时间?消费结构。基于混合的oecd和欧盟统计局的数据,似乎一旦消费结构已经收敛,它会相对稳定的,因为它是这样的老欧盟成员多年,1990年到2000年间,1980年。很快的收敛性,大约三分之二的差距旧和新之间欧盟成员国都关门了8年。凯恩斯主义投机动机的消费行为 相比之下,与主流的新古典主义的理论,在消费者行为的方法来消费、经费凯恩斯主义的投机对各种产品是由社会和心理上的动机。 在我们现代领域,我们假设四个不同的动机与消费者选择。自相关 消费者的选择依赖于前消费的时期。积极的社会关系 消费者模仿消费行为,其他消费者在同一个员工集团和相同的收入群体的社会交往,那里应该是大多是在他们的闲暇时间。不良社会相关 消费者想要与低收入群体消费者。在我们时装领域,我们考虑只是的消费模式在最近的低收入群体。渴望向更高的社会团体 消费者想要表现出同样的消费模式,消费者在高收入群体。在我们时装领域,我们考虑只是的消费模式在最近的高收入群体。 为每个客户都有不同的动机是加权和基于此,我们把他或她的最终的消费结构在众多的消费。动力学模型的消费结构 消费结构模型的分析得到了决策的单身消费者划分他们的收入在不同类型的消费根据上述的动机。 收入是基于消费品所需经费前时期。我们有一个封闭循环中消费者支付的行业,工业分支-生产不同类型的货物。他们的付款后,员工之间将夺走了税。每个员工取决的份额在前结构的员工收入。国家所扮演的角色就是员工之间的税收收入的重新分配形式的社会过渡。股票转让的前再次取决于每个员工收入且员工就会得到他们在今后一个时期为不同类型的消费品。所以每个单张扮演浸润的雇员在一个工业部门和消费者。结构的模型在图4。 模型在关闭周期运行,时间。得到基本信息的每一个周期是: ?消费结构在自行车依据不同的消费, ?收入的每一位员工的他或她会用作为消费者和下一个周期员工的转变;在同收入阶层消费者。在每一个时期,证明的步骤被做:每一位消费者的实际收入中分配所有类型的消费。这支付每一种类型的消费支出取决于证明前一段周期以外,每一个支出加权的重量 ?自己的经费重量0胜4平 ?平均经费相同的收入群体怎样重量 ?平均经费相同的员工集团重量工时 ?平均的支出状况重量消费者 ?平均经费最近的低收入组为所有,但最低收入集团重量-w4 ?平均经费最近的高收入集团为所有,但高收入集团重量w5。总开销计算的一切消费类型?这些经费等于所有收入有关雇员的分支机构。对应每个分支,我们降低总收入的税率员工之间,将剩余,下一阶段的消费者基于他们以前的收入。我们的雇员中分配税收收入,消费者形式的政府拨款,根据他们的收入群体在之前的时期,两个外源参数-受体数量团体和发展的转移。我们俩把雇员消费者在收入之中的组。模型的单一化的是: ?没有转移的员工在分支机构 ?没有的金融体系。我们用于更远的单一化的仿真实验描述如下是: ?没有储蓄 ?没有经济增长 ?没有国内生产总值gdp的震动。数据和参数进行仿真研究 我们一段时间的长度是一个月。我们处理员工1000 -消费者,开始了我们的程序分配他们平均分给5个收入组。基于统计的家庭的帐户计算原始发布的每个消耗型支出对每股收益组。我们增加收入最高集团,原分布的数据计算得出了德国。原分布在图5。 在欧盟不同消费结构尤其是食品和饮料,那里

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