Integration of Market Exchange and Money Circulation Abstract: Money as a medium of exchange is circulated along with market exchanges. The process of market exchanges can be viewed as a sequence of trades with the starting point to be an autonomous demand. Money in this process is naturally integrated with the proceeding of market

I guess I have to come out to reply to those who concern with the nature rate of unemployment. First, What is the natural rate of unemployment? It is assumed to be the unemployment rate at the steady state or equilibrium. Note that equilibrium here is not referred to the common demand-supply equilibrium, but to a state at which things are not changed, or remain the same. More specifically, suppose we can have an economy that could be expressed by the following dynamic system

Introduction The objective of this chapter is to discuss how price is determined in Keynesian analysis. Some textbooks would like to refer the analysis in this chapter as the medium analysis in contrast to short run analysis. This is because in the short run the price is assumed to be fixed, and therefore nothing we can say about the price determination

Macroeconomics is the most disputed, confused, yet excited field in economics. This course introduces you how economists think about those macroeconomic problems such as inflation, unemployment and recession, and how macroeconomic policies could be used to resolve these problems. We will find that economists may give you many different answers

The aim of this chapter is to study how output is determined in Keynesian framework. The analysis in this chapter is often named multiplier analysis

Defintion: GDP is the total market value of all final goods and services produced by a country. Final versus Intermediate: By \final\, we mean the goods and service that are purchased for final use by purchaser and not for resale or further processing. The meaning intermediate is opposite to final. Value Added: GDP not only reflects the market value of final goods and service, but also reflect the income generated from producing these final goods and service

Question 1: Suppose in an open economy the consumption function take the form C 8Yd =100 + 0. Tax is the proportion of income with the tax rate to be given by 0.2. Meanwhile import depends on the domestic income with the function given by

Normative Definition: Economics is the science that studies how to efficiently allocate economic resources Positive Definition: Economics is the science that studies how an economy operates or how economic variables are determined under the given economic system. The System of an Economy:

1. Given the government expenditure, whether the government budget is in surplus or deficit depends on the tax revenue, which itself depends on rate of tax. Please derive the tax rate at which the government budget is in balance. Draw the graph that reflects the relation between tax rate and deficit (or surplus)

一、广义: 金融工程涉及到创新性金融工具的设计、发展、实施，是用创新性方法来解决金融问题的过程。 二、狭义: 金融工程是借助于创新性金融工具进行风险管理