模型思维(中文版)经典课程

Model Thinking

在本课程中,你将了解如何运用模型进行思考、理解我们生活的这个复杂世界。

密歇根大学

Coursera

社会

简单(初级)

32 小时

  • 中文, 英语, 葡萄牙语, 其他
  • 10379

课程概况

我们生活在一个繁杂的世界里,形形色色的人、企业和政府交织在一起,产生了各种
新奇、意想不到的现象。我们看到政治冲突、市场崩盘和不断更迭的社会趋势。该如何去理解呢?运用模型。证据表明,具备模型思维的人要优于没有这种思维的人。此外,运用大量模型进行思考的人要优于只运用一种模型思考的人。为什么模型会使我们成为更好的思考者呢?模型有助于我们更好地组织信息,理清互联网上乱成一团麻或者一锅粥(选择你认为合适的比喻说法)的数据。模型有助于我们提高准确预测的能力,还有助于我们做出更好的决策并采取更有效的策略,甚至可以提高我们的机构和流程设计能力。

在本课程中,我将会介绍一组入门模型:首先介绍临界点模型。然后介绍用于解释群众智慧的模型、用于解释为什么有些国家富有而有些国家贫穷的模型,以及帮助企业和政治家作出战略决策的模型。本节课所介绍的模型是之后学习社会科学课程的基础,无论是经济学、政治学、商业学还是社会学。掌握了这些材料对于你学习高级课程大有裨益。此外,对你的生活也会有帮助。以下是课程安排:对于每个模型,我都会提供一个简短、易于理解的概述性课程视频。然后,我会进行更深入的讲解。我会详细介绍模型的技术细节。这些技术课程视频不需要微积分知识,但会涉及一些代数​​。

在所有课程视频中,我都会提出一些问题并进行小测验,还有一个结课考试。如果你决定深入学习,并通过所有测验和考试,你将获得完成证书。如果你只是决定观看入门课程视频来接触一些模型知识,那也很好。这都是免费的,旨在于帮助你成为更好的思考者!

你将学到什么

Modeling

Economics

Decision-Making

Strategic Thinking

课程大纲

周1
完成时间为 3 小时
Why Model & Segregation/Peer Effects
In these lectures, I describe some of the reasons why a person would want to take a modeling course. These reasons fall into four broad categories: 1)To be an intelligent citizen of the world 2) To be a clearer thinker 3) To understand and use data 4) To better decide, strategize, and design. There are two readings for this section. These should be read either after the first video or at the completion of all of the videos.We now jump directly into some models. We contrast two types of models that explain a single phenomenon, namely that people tend to live and interact with people who look, think, and act like themselves. After an introductory lecture, we cover famous models by Schelling and Granovetter that cover these phenomena. We follows those with a fun model about standing ovations that I wrote with my friend John Miller.
12 个视频 (总计 124 分钟), 6 个阅读材料, 1 个测验

周2
完成时间为 3 小时
Aggregation & Decision Models
In this section, we explore the mysteries of aggregation, i.e. adding things up. We start by considering how numbers aggregate, focusing on the Central Limit Theorem. We then turn to adding up rules. We consider the Game of Life and one dimensional cellular automata models. Both models show how simple rules can combine to produce interesting phenomena. Last, we consider aggregating preferences. Here we see how individual preferences can be rational, but the aggregates need not be.There exist many great places on the web to read more about the Central Limit Theorem, the Binomial Distribution, Six Sigma, The Game of Life, and so on. I've included some links to get you started. The readings for cellular automata and for diverse preferences are short excerpts from my books Complex Adaptive Social Systems and The Difference Respectively.
12 个视频 (总计 138 分钟), 1 个阅读材料, 1 个测验

周3
完成时间为 3 小时
Thinking Electrons: Modeling People & Categorical and Linear Models
In this section, we study various ways that social scientists model people. We study and contrast three different models. The rational actor approach, behavioral models, and rule based models . These lectures provide context for many of the models that follow. There's no specific reading for these lectures though I mention several books on behavioral economics that you may want to consider. Also, if you find the race to the bottom game interesting just type "Rosemary Nagel Race to the Bottom" into a search engine and you'll get several good links. You can also find good introductions to "Zero Intelligence Traders" by typing that in as well.
12 个视频 (总计 130 分钟), 1 个阅读材料, 1 个测验

周4
完成时间为 3 小时
Tipping Points & Economic Growth
In this section, we cover tipping points. We focus on two models. A percolation model from physics that we apply to banks and a model of the spread of diseases. The disease model is more complicated so I break that into two parts. The first part focuses on the diffusion. The second part adds recovery. The readings for this section consist of two excerpts from the book I'm writing on models. One covers diffusion. The other covers tips. There is also a technical paper on tipping points that I've included in a link. I wrote it with PJ Lamberson and it will be published in the Quarterly Journal of Political Science. I've included this to provide you a glimpse of what technical social science papers look like. You don't need to read it in full, but I strongly recommend the introduction. It also contains a wonderful reference list.
13 个视频 (总计 132 分钟), 1 个阅读材料, 1 个测验

周5
完成时间为 2 小时
Diversity and Innovation & Markov Processes
In this section, we cover some models of problem solving to show the role that diversity plays in innovation. We see how diverse perspectives (problem representations) and heuristics enable groups of problem solvers to outperform individuals. We also introduce some new concepts like "rugged landscapes" and "local optima". In the last lecture, we'll see the awesome power of recombination and how it contributes to growth. The readings for this chapters consist on an excerpt from my book The Difference courtesy of Princeton University Press.
10 个视频 (总计 99 分钟), 1 个阅读材料, 1 个测验

周6
完成时间为 28 分钟
Midterm Exam
1 个测验

周7
完成时间为 2 小时
Lyapunov Functions & Coordination and Culture
Models can help us to determine the nature of outcomes produced by a system: will the system produce an equilibrium, a cycle, randomness, or complexity? In this set of lectures, we cover Lyapunov Functions. These are a technique that will enable us to identify many systems that go to equilibrium. In addition, they enable us to put bounds on how quickly the equilibrium will be attained. In this set of lectures, we learn the formal definition of Lyapunov Functions and see how to apply them in a variety of settings. We also see where they don't apply and even study a problem where no one knows whether or not the system goes to equilibrium or not.
11 个视频 (总计 116 分钟), 1 个阅读材料, 1 个测验

周8
完成时间为 3 小时
Path Dependence & Networks
In this set of lectures, we cover path dependence. We do so using some very simple urn models. The most famous of which is the Polya Process. These models are very simple but they enable us to unpack the logic of what makes a process path dependent. We also relate path dependence to increasing returns and to tipping points. The reading for this lecture is a paper that I wrote that is published in the Quarterly Journal of Political Science
10 个视频 (总计 122 分钟), 1 个阅读材料, 1 个测验

周9
完成时间为 2 小时
Randomness and Random Walks & Colonel Blotto
In this section, we first discuss randomness and its various sources. We then discuss how performance can depend on skill and luck, where luck is modeled as randomness. We then learn a basic random walk model, which we apply to the Efficient Market Hypothesis, the ideas that market prices contain all relevant information so that what's left is randomness. We conclude by discussing finite memory random walk model that can be used to model competition. The reading for this section is a paper on distinguishing skill from luck by Michael Mauboussin.
11 个视频 (总计 79 分钟), 1 个阅读材料, 1 个测验

周10
完成时间为 2 小时
Prisoners' Dilemma and Collective Action & Mechanism Design
In this section, we cover the Prisoners' Dilemma, Collective Action Problems and Common Pool Resource Problems. We begin by discussion the Prisoners' Dilemma and showing how individual incentives can produce undesirable social outcomes. We then cover seven ways to produce cooperation. Five of these will be covered in the paper by Nowak and Sigmund listed below. We conclude by talking about collective action and common pool resource problems and how they require deep careful thinking to solve. There's a wonderful piece to read on this by the Nobel Prize winner Elinor Ostrom.
9 个视频 (总计 92 分钟), 1 个阅读材料, 1 个测验

周11
完成时间为 1 小时
Learning Models: Replicator Dynamics & Prediction and the Many Model Thinker
In this section, we cover replicator dynamics and Fisher's fundamental theorem. Replicator dynamics have been used to explain learning as well as evolution. Fisher's theorem demonstrates how the rate of adaptation increases with the amount of variation. We conclude by describing how to make sense of both Fisher's theorem and our results on six sigma and variation reduction. The readings for this section are very short. The second reading on Fisher's theorem is rather technical. Both are excerpts from Diversity and Complexity.
8 个视频 (总计 62 分钟), 1 个阅读材料, 1 个测验

周12
完成时间为 1 小时
Final Exam
The description goes here

预备知识

学生应该可以熟练使用基本代数。不需要微积分,但是对用导数求出某点斜率的概念性理解会对课程学习非常有帮助。

参考资料

《差异:多元化的力量如何建立更好的团体、企业、学校和社会(新版)》,斯科特·E·佩吉著。

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