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# 经济代写|宏观经济学代考Macroeconomics代写|ECON7071 Growth Accounting

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## 经济代写|宏观经济学代考Macroeconomics代写|Growth Accounting

In this section we will use the general framework of the Solow model to compute a decomposition of the rate of economic growth for a given country. Consider the neoclassical production function:
$$Y_t=\left(A_t L_t\right)^\alpha K_{t-1}^{1-\alpha} .$$
We will interpret $Y_t$ as GDP, $L_t$ as the number of workers, $K_{t-1}$ as the aggregate capital stock, and $A_t$ as a measure of overall productivity. We will be concerned with measuring the relative contributions of $A_t, L_t$, and $K_{t-1}$ to growth in GDP. We assume that data for GDP, the labor force, and the aggregate capital stock are available. The first step is to compute the productivity parameter $A_t$. Solving the production function for $A_t$ yields:
$$A_t=\frac{Y_t^{\frac{1}{\alpha}}}{L_t K_{t-1}^{\frac{1-\alpha}{\alpha}}} .$$

## 经济代写|宏观经济学代考Macroeconomics代写|Fertility and Human Capital

In this section we will examine how people decide on the number of children they have. Growth and industrialization are closely connected to falling fertility rates. This was true for 19th century England, where industrialization once started, and it applies in the same way to the Asian countries that only recently began to grow at high rates and catch up with Western countries. Understanding these changes in fertility should help explain why some economies start to grow, while others remain poor.

The first economist to think in a systematic way about growth and fertility was Thomas Malthus. Back in 1798, he published his “Essay on Population”, in which his basic thesis was that fertility was checked only by the food supply. As long as there was enough to eat, people would continue to produce children. Since this would lead to population growth rates in excess of the growth in the food supply, people would be pushed down to the subsistence level. According to Malthus’s theory, sustained growth in per capita incomes was not possible; population growth would always catch up with increases in production and push per capita incomes down. Of course, today we know that Malthus was wrong, at least as far as the now industrialized countries are concerned. Still, his theory was an accurate description of population dynamics before the industrial revolution, and in many countries it seems to apply even today. Malthus lived in England just before the demographic transition took place. The very first stages of industrialization were accompanied by rapid population growth, and only with some lag did the fertility rates start to decline. We will take Malthus’s theory as a point of departure in our quest for explanations for the demographic transition.

# 宏观经济学代写

## 经济代写|宏观经济学代考Macroeconomics代写|Growth Accounting

$$Y_t=\left(A_t L_t\right)^\alpha K_{t-1}^{1-\alpha} .$$

$$A_t=\frac{Y_t^{\frac{1}{\alpha}}}{L_t K_{t-1}^{\frac{1-\alpha}{\alpha}}} .$$

## 经济代写|宏观经济学代考Macroeconomics代写|Fertility and Human Capital

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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。