Definition (1) Econometrics: economic measurement. (2) Econometrics: the social science in which the tools of economic theory, mathematics, and statistical inference are applied to the analysis of economic phenomena. (3) Econometrics: the result of a certain outlook on the role of economics, consists of the application of mathematical statistics to economic data to lend

66.1 Generators Tianjing University AC Generators. DC Generators Donald Galler 66.2 Motors Motor Applications Motor Analysis Massachusetts Institute 66.3 Small Electric Motors of Technology Single Phase Induction Motors. Universal Motors.Permanent Elias G.Strangas Magnet AC Motors.Stepping Motors Michigan State University

Political Economy Defined Political Economy is the application of economic principles to the analysis of political decision making. -elf- -interestin- the marketplace, this often leads to efficiency; different implications in \political market. Maximization-one goal may be to maximize social welfare

Welfare economics Need systematic framework to assess the desirability of various government actions. Welfare economics is concerned with the social desirability of alternative economic states. Distinguishes cases when private markets work well from cases where government intervention may be warranted

Chapter 4 Contents Compounding Perpetual Annuities Frequency of Compounding Loan Amortization Present Value and Exchange Rates and Time Discounting Value of Money Alternative Discounted Inflation and Discounted Cash Flow Decision Rules Cash Flow Analysis Multiple Cash Flows Taxes and Investment Annuities

Chapter 16 Contents Contingent Claims Analysis of Corporate Debt and Equity Convertible bonds Valuing pure State-Contingent Securities

在§1-7我们讲了某点的应力随所选截面方向改变而改变。过一点各方向 截面上应力矢量的集合称为该点的应力状态。但怎样描述一点的应力情 况—一点的应力状态? 我们可以用三对xxy)D取出一个 Oτ xyxz 通常叫:微单元体 ElemOM=垂直的平OM=OyT 点(M)的应力状态

第一节 统计学的几个基本概念 一.随机试验与随机事件 二.总体与样本 三.变量与资料 四. 误 差 五.频率与概率 第二节 统计工作的基本步骤 1.设计：design 2.资料搜集：collection of data 3.资料整理：sorting data 4.分析资料：analysis of data

临床上疗效、预后的评价常用疾病 的结局指标：如有效率、治愈率、 死亡率指标比较，对于在短期内能 明确治疗效果的疾病是适用的。但 对于肿瘤和慢性疾病，其指标的评 价不全面

《医学统计学》课程教学资源：第十八章 判别分析 Discriminant Analysis