Statistics-lab™可以为您提供cornell.edu ECON1120 Macroeconomics宏观经济学课程的代写代考和辅导服务！
ECON1120 Macroeconomics课程简介
Analysis of aggregate economic activity in relation to the level, stability, and growth of national income. Topics may include the determination and effects of unemployment, inflation, balance of payments, deficits, and economic development, and how these may be influenced by monetary, fiscal, and other policies.
Forbidden Overlap: Students may not receive credit for both AEM 1300 and $\mathrm{ECON} 1120$.
PREREQUISITES
Aggregate economic activity refers to the overall level of economic activity in an economy, including the production, consumption, and distribution of goods and services. National income, which measures the total income generated within a country’s borders, is a key indicator of aggregate economic activity. In this context, the level, stability, and growth of national income are important factors that can impact an economy in a variety of ways.
Unemployment is one of the key factors that can impact the level and stability of national income. When unemployment is high, it can reduce the amount of goods and services produced within an economy, which can result in a decline in national income. Conversely, when unemployment is low, it can lead to increased production and higher national income.
ECON1120 Macroeconomics HELP（EXAM HELP， ONLINE TUTOR）
${ }^1$ Is it really that easy? Let $\bar{Y}$ be the steady state level of output, and, similarly, for $C$ and $G$. Now subtract $\bar{Y}$ from both sides of the equation, and divide both sides by $\bar{Y}$. Recognising that $\bar{Y}=\bar{C}+\bar{G}$, this gives you $\frac{r_t-\bar{Y}}{\bar{Y}}=\frac{C_t-\bar{C}}{\bar{Y}}+\frac{G_t-\bar{G}}{\bar{Y}}$. Now multiply and divide the first term on the RHS by $\bar{C}$, and the second term by $\bar{G}$, and you will get the result.
${ }^2$ Here’s how that one goes: note from the resource constraint that $\hat{c}t=\frac{1}{1-\gamma} \hat{y}_t-\frac{\gamma}{1-\gamma} \hat{g}_t$, and plug this into (17.29). Multiplying both sides by $(1-\gamma)$ yields $\hat{y}_t=E_t \hat{y}{t+1}-\gamma\left(E_t \hat{g}{t+1}-\hat{g}_t\right)-\sigma(1-\gamma) r_t$. Define $\Delta \hat{g}{t+1}=\left(E_t \hat{g}_{t+1}-\hat{g}_t\right)$ and collect terms, and the result follows.
${ }^3$ Recall that, for notational simplicity, we are leaving aside the terms in the discount rate and the productivity shock that shifts the natural rate of output, which is implicit within the log deviation term.
${ }^3$ Recall that, for notational simplicity, we are leaving aside the terms in the discount rate and the productivity shock that shifts the natural rate of output, which is implicit within the log deviation term.
Textbooks
• An Introduction to Stochastic Modeling, Fourth Edition by Pinsky and Karlin (freely
available through the university library here)
• Essentials of Stochastic Processes, Third Edition by Durrett (freely available through
the university library here)
To reiterate, the textbooks are freely available through the university library. Note that
you must be connected to the university Wi-Fi or VPN to access the ebooks from the library
links. Furthermore, the library links take some time to populate, so do not be alarmed if
the webpage looks bare for a few seconds.
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