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assignmentutor-lab™ 为您的留学生涯保驾护航 在代写微观经济学Microeconomics方面已经树立了自己的口碑, 保证靠谱, 高质且原创的统计Statistics代写服务。我们的专家在代写微观经济学Microeconomics代写方面经验极为丰富，各种代写微观经济学Microeconomics相关的作业也就用不着说。

• Statistical Inference 统计推断
• Statistical Computing 统计计算
• (Generalized) Linear Models 广义线性模型
• Statistical Machine Learning 统计机器学习
• Longitudinal Data Analysis 纵向数据分析
• Foundations of Data Science 数据科学基础

## 经济代写|微观经济学代写Microeconomics代考|The Consumption Set

The consumer is assumed to be faced with possible consumption baskets, i.c. vectors of quantities of goods or services she may consume, which belong to a set $X$, called the consumption set, which includes all admissible consumption baskets.

The consumption set is a subset of the commodity space, the set of all possible vectors of quantities of the several commodities, which we take to be $R^{n}{ }_{+}$, the $n$-dimensional non-negative Euclidean space (I exclude negative quantities), where $n$ is the number of different commodities. Non-admissible consumptions are those vectors in the commodity space which, given the problem one is studying, the consumer cannot possibly choose owing to physical impossibility or conceptual inconceivability. The consumption set differs from the budget set, which is the subset of the consumption set that the consumer can afford to purchase.
For brevity in what follows ‘consumption goods’ will also stand for consumption services directly provided by factors (e.g. labour services directly demanded by consumers, such as leisure time or a massage). Many consumption goods are indivisible, and the quantities in $X$ relative to such goods can only be integer numbers; but the main insights derivable from an assumption of perfectly divisible goods essentially hold also for indivisible goods (cf. $\$ Sect. 4.17); so let us assume that all consumption goods are perfectly divisible.
The interpretation of the elements of $X$ depends on the type of analysis.
One can be interested in determining the normal repetitive behaviour of the consumer in a situation of relative prices that remain unallered through time or change sufficiently slowly to authorize treating them as unchanging. Then one aims at determining the long period, average behaviour of the consumer, i.e. the average quantities per unit of time (‘flows’) that the consumer demands in a situation of tranquillity. The equilibrium based on this type of analysis is called long-period equilibrium, and it is the type of general equilibrium that the first generations of marginalist economists aimed at determining and that we have considered in $>$ Chap. 3. The product prices determined by a long-period equilibrium are the equivalent, in the marginal approach, of the natural prices, or prices of production, of the classical authors; they are the centres of gravitation of daydency of price to minimum average cost.

## 经济代写|微观经济学代写Microeconomics代考|Preferences and Utility

The consumer is assumed to have a preference order over the consumption baskets in $X$, with the implication that if a choice must be made between two baskets of which the first one is preferred to the second, and then the first one is chosen. This order can be characterized either with the relationship of weak preference, or with the relationship of strong preference (also called simply preference). Weak preference is indicated with the symbols $R$ or $\succsim$; $\mathbf{x} R \mathbf{y}$ or $\mathbf{x} \succsim \mathbf{y}$ stands for ‘basket $\mathbf{x}$ (a vector) is weakly preferred to basket $\mathbf{y}$, i.e. either $\mathbf{x}$ is definitely preferred to $\mathbf{y}$, or the consumer is indifferent as to which of the two baskets she obtains’. The expression $\mathbf{x} \precsim \mathbf{y}$ means ‘ $\mathbf{y}$ is weakly preferred to $\mathbf{x}$ ‘. If ‘ $\mathbf{x} z \mathbf{y}$ and it is not the case that $\mathbf{y} Z \mathbf{x}$ ‘, then $\mathbf{x}$ is said to be preferred, or strongly preferred, or strictly preferred, to $\mathbf{y}$, and we write $\mathbf{x}>\mathbf{y}$. If it is both the case that $\mathbf{x} z \mathbf{y}$ and $\mathbf{y} \geq \mathbf{x}$, then the consumer is said indifferent between $\mathbf{x}$ and $\mathbf{y}$ and we write $\mathbf{x} \sim \mathbf{y}$; I shall also say that $\mathbf{x}$ is equipreferred to tion of the English language; only a chooser can be indifferent between two alternatives; ‘equipreferred’ is … preferable.) I assume that the weak preference relation is:
complete (over $X$ ): if $\mathbf{x}$ and $\mathbf{y}$ are in $X$, it is either $\mathbf{x} z \mathbf{y}$ or $\mathbf{y} \geq \mathbf{x}$ (or both); reflexive: for all $\mathbf{x} \in X, \mathbf{x} \geq \mathbf{x}$.
An example of a non-reflexive binary relationship among numbers is ‘greater than’: a number is not greater than itself. But how can a preference relation, that is, among two elements of $X$, apply to the same element taken twice? Formally, the reason is that the order relationship $R$ is defined as the subset, of the set $X \times X$ of all ordered couples $\left(\mathbf{x}{P}, \mathbf{x}{\mathbf{j}}\right)$, for which the weak preference relation $\mathbf{x}{i} \gtrless \mathbf{x}{j}$ holds; since the two $X \mathrm{~s}$ in $X \times X$ contain the same elements, the set of all ordered couples $\left(\mathbf{x}{P} \mathbf{x}{j}\right)$ includes couples $\left(\mathbf{x}{P} \mathbf{x}{i}\right)$ where the two elements are identical; we are stipulating that among these couples relationship R holds. Concretely, for many things it can also happen that one faces two identical things: for baskets of consumption goods it is possible that two baskets are completely identical, and yet the consumer must decide whether she prefers one of them or is indifferent. Many authors argue that completeness implies reflexivity which therefore is not a third independent assumption, because if we call $X^{\prime}$ and $X^{\prime \prime}$ the first and second $X$ in $X \times X$, completeness implies that either $\mathbf{x}{\mathrm{i}} \in \mathrm{X}^{\prime} \nsucceq \mathbf{x}{\mathrm{i}} \in \mathrm{X}^{\prime \prime}$ or $\mathbf{x}{\mathrm{i}} \in X^{\prime \prime} \succeq \mathbf{x}{\mathrm{i}} \in X^{\prime}$ or both, so necessarily $\mathbf{x}{\mathrm{i}} \gtrless \mathbf{x}{\mathrm{i}}$. There are subtle arguments that this reasoning is not conclusive, but the issue appears of no interest in economics.

# 微观经济学代考

## 经济代写|微观经济学代写Microeconomics代考|The Consumption Set

\$Sect. 4.17); soletusassumethatallconsumptiongoodsareper fectlydivisible. Theinterpretationoftheelementsof$\mathrm{X}>\ 章节。3. 由长期均衡确定的产品价格在边际方法中与经典作者的自然价格或生产价格等价；它们是价格趋于最低平均成本的引力中心。

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## MATLAB代写

MATLAB 是一种用于技术计算的高性能语言。它将计算、可视化和编程集成在一个易于使用的环境中，其中问题和解决方案以熟悉的数学符号表示。典型用途包括：数学和计算算法开发建模、仿真和原型制作数据分析、探索和可视化科学和工程图形应用程序开发，包括图形用户界面构建MATLAB 是一个交互式系统，其基本数据元素是一个不需要维度的数组。这使您可以解决许多技术计算问题，尤其是那些具有矩阵和向量公式的问题，而只需用 C 或 Fortran 等标量非交互式语言编写程序所需的时间的一小部分。MATLAB 名称代表矩阵实验室。MATLAB 最初的编写目的是提供对由 LINPACK 和 EISPACK 项目开发的矩阵软件的轻松访问，这两个项目共同代表了矩阵计算软件的最新技术。MATLAB 经过多年的发展，得到了许多用户的投入。在大学环境中，它是数学、工程和科学入门和高级课程的标准教学工具。在工业领域，MATLAB 是高效研究、开发和分析的首选工具。MATLAB 具有一系列称为工具箱的特定于应用程序的解决方案。对于大多数 MATLAB 用户来说非常重要，工具箱允许您学习应用专业技术。工具箱是 MATLAB 函数（M 文件）的综合集合，可扩展 MATLAB 环境以解决特定类别的问题。可用工具箱的领域包括信号处理、控制系统、神经网络、模糊逻辑、小波、仿真等。

assignmentutor™您的专属作业导师
assignmentutor™您的专属作业导师