直复营销:依靠产品目录、印刷品邮件、 电话或附有直接反馈的广告以及其他相互交流形式的媒体的大范围营销活动

Duality Given the technology we can obtain the cost function are the cost function contains the same information of the technology (production function)? If the answer is yes, then the cost minimization behavior will indicate the technology of the firm

Contents Inter-temporal preferences Two periods Several periods · Asset market CAPM -APT Complete market Pure arbitrage

Preference and Choice Content: Preference and rationality The rule of choice Budget Demand function WAand demanded law

Aggregation and Welfare Content Consumer's surplus Aggregation Representation consumer

Content Lotteries and expected utility Risk aversion Metric Subjective probability theory

一、证据的概念(证据理论中的基础性难题) “事实说”、“事实材料(内容)与证明手段(形式) 统一说”、“广义说与狭义说

浙江大学：《数据结构与算法》任课教师登记表

一、线性结构的特点是 存在唯一的”第一个”数据元素; 存在唯一的”最后一个”数据元素;

一、维数和维界 二、二维数组的类型定义: