### 经济代写|微观经济学作业代写Microeconomics代考| Economic Rationale

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• 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|微观经济学作业代写Microeconomics代考|Economic Rationale

Economic Rationale The law of increasing opportunity costs is driven by the fact that economic resources are not completely adaptable to alternative uses. Many resources are better at producing one type of good than at producing others. Consider land. Some land is highly suited to growing the ingredients necessary for pizza production. But as pizza production expands, society has to start using land that is less bountiful for farming. Other land is rich in mineral deposits and therefore well-suited to producing the materials needed to make industrial robots. That land will be the first land devoted to the production of industrial robots. But as society steps up the production of robots, it must use land that is less and less suited to making their components.

If we start at $A$ and move to $B$ in Figure $1.2$, we can shift resources whose productivity is relatively high in pizza production and low in industrial robots. But as we move from $B$ to $C, C$ to $D$, and so on, resources highly
WORKED PROBLEMS productive in pizzas be-on the part of resources is the cause of increasing opportunity costs for society.

## 经济代写|微观经济学作业代写Microeconomics代考|Optimal Allocation

Of all the attainable combinations of pizzas and industrial robots on the curve in Figure 1.2, which is optimal (best)? That is, what specific quantities of resources should be allocated to pizzas and what specific quantities should be allocated to industrial robots in order to maximize satisfaction?

Recall that economic decisions center on comparisons of marginal benefit $(M B)$ and marginal cost $(M C)$. Any economic activity should be expanded as long as marginal benefit exceeds marginal cost and should be reduced if marginal cost exceeds marginal benefit. The optimal amount of the activity occurs where $\mathrm{MB}=\mathrm{MC}$. Society needs to make a similar assessment about its production decision.

Consider pizzas. We already know from the law of increasing opportunity costs that the marginal cost of additional units of pizza will rise as more units are produced. At the same time, we need to recognize that the extra or marginal benefits that come from producing and consuming pizza decline with each successive unit of pizza. Consequently, each successive unit of pizza brings with it both increasing marginal costs and decreasing marginal benefits.
The optimal quantity of pizza production is indicated by point $e$ at the intersection of the $\mathrm{MB}$ and $\mathrm{MC}$ curves: 200,000 units in Figure 1.3. Why is this amount the optimal quantity? If only 100,000 units of pizzas were produced, the marginal benefit of an extra unit of pizza (point $a$ ) would exceed its marginal cost (point $b$ ). In money terms, MB is $\$ 15$, while$M C$is only$\$5$. When society gains something worth $\$ 15$at a marginal cost of only$\$5$, it is better off. In Figure 1.3, net gains can continue to be realized until pizza-product production has been increased to 200,000 .

## 经济代写|微观经济学作业代写Microeconomics代考|Unemployment, Growth

In the depths of the Great Depression of the $1930 \mathrm{~s}$, onequarter of U.S. workers were unemployed and one-third of U.S. production capacity was idle. Subsequent downturns have been much less severe. During the deep 2007-2009 recession, for instance, production fell by a comparably smaller $3.7$ percent and 1 -in-10 workers was without a job.
Almost all nations have experienced widespread unemployment and unused production capacity from business downturns at one time or another. Since 2000 , for example, several nations-including Argentina, Japan, Mexico, Germany, and South Korea-have had economic downturns and unemployment.

How do these realities relate to the production possibilities model? Our analysis and conclusions change if we relax the assumption that all available resources are fully employed. The five alternatives in Table $1.1$ represent

maximum outputs; they illustrate the combinations of pizzas and industrial robots that can be produced when the economy is operating at full employment. With unemployment, this economy would produce less than each alternative shown in the table.

Graphically, we represent situations of unemployment by points inside the original production possibilities curve (reproduced here in Figure 1.4). Point $U$ is one such point. Here the economy is falling short of the various maximum combinations of pizzas and industrial robots represented by the points on the production possibilities curve. The arrows in Figure $1.4$ indicate three possible paths back to full employment. A move toward full employment would yield a greater output of one or both products.

## 广义线性模型代考

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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。