经济学必备数学知识——由曼昆和诺奖得主萨金特列出

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     曼昆和诺奖得主萨金特列出的经济学本科&研究生必备的数学知识！

     国内经济学研究生普遍的数学基础是考研的3门课：微积分、线性代数和概率统计，那国外的呢？

     2006年5月23日，曼昆回答了一个学生的邮件问题“Advice for Aspiring Economists”.第2天,曼昆回信“ Which math courses? ”给出了他认为的经济学学生必备的数学知识。而2011诺奖得主萨金特给出的经济学研究生建议学的更多数学科目。估计这就是得了诺奖与没得诺奖的区别之一。。。

曼昆在自己的博客http://gregmankiw.blogspot.com/2006/05/which-math-courses.html里回答了一个学生下面的邮件问题

Tuesday, May 23, 2006
Advice for Aspiring Economists
A student from abroad emails the following question:

Do you have some hints for me, how to become a good economist?

Here is some advice for, say, an undergraduate considering a career as an economist.

1. Take as many math and statistics courses as you can stomach.

2. Choose your economics courses from professors who are passionate about the field and care about teaching. Ignore the particular topics covered when choosing courses. All parts of economics can be made interesting, or deadly dull, depending on the instructor.

3. Use your summers to experience economics from different perspectives. Spend one working as a research assistant for a professor, one working in a policy job in government, and one working in the private sector.

4. Read economics for fun in your spare time. To get you started, here is a list of recommended readings.

5. Follow economics news. The best weekly is The Economist. The best daily is the Wall Street Journal.

6. If you are at a research university, attend the economic research seminars at your school about once a week. You may not understand the discussions at first, because they may seem too technical, but you will pick up more than you know, and eventually you’ll be giving the seminar yourself.

You may find some other useful tidbits in this paper of mine. 

曼昆第2天回信，认为本科生经济学学生应该学习的数学有

Wednesday, May 24, 2006
Which math courses?
In response to my previous post offering advice to aspiring economists, a student emails me:

Since the time allocation is limited, I can take only some math courses and the problem is that I am not sure which courses are most important for a successful economist and which course I should take first. Can you possibly suggest for me a list of math courses that a typical economics student should take step by step?
Here is one plan of action:

  Calculus
   Linear Algebra
   Multivariable Calculus
   Real Analysis
   Probability Theory
   Mathematical Statistics
   Game Theory
   Differential Equations

There is, of course, some flexibility about the order of courses. Check the prerequisites at your school to figure out the right sequencing.

而诺奖得主萨金特给出的经济学研究生建议学的更多数学科目，网站如下

https://files.nyu.edu/ts43/public/math_courses.html

Math courses for NYU students 
Essential Courses for Economics Undergraduate Students - Courant

• V63.0121 Calculus I
  Derivatives, antiderivatives, and integrals of functions of one real variable. Trigonometric, inverse trigonometric, logarithmic and exponential functions. Applications, including graphing, maximizing and minimizing functions. Areas and volumes.

• V63.0122 Calculus II
  Techniques of integration. Further applications. Plane analytic geometry. Polar coordinates and parametric equations. Infinite series, including power series.

• V63.0123 Calculus III
  Functions of several variables. Vectors in the plane and space. Partial derivatives with applications, especially Lagrange multipliers. Double and triple integrals. Spherical and cylindrical coordinates. Surface and line integrals. Divergence, gradient, and curl. Theorem of Gauss and Stokes.

• V63.0140 Linear Algebra
  Systems of linear equations, Gaussian elimination, matrices, determinants, Cramer's rule. Vectors, vector spaces, basis and dimension, linear transformations. Eigenvalues, eigenvectors, and quadratic forms.
  
  

Advanced Courses for Undergraduate Students - Courant

If you want to go to graduate school, it is essential that you take a course in real analysis. After that, courses in probability theory, Markov chains, and differential equations, probably in that order will be very useful.

• V63.0141 Honors Linear Algebra I - identical to G63.2110
  Linear spaces, subspaces, and quotient spaces; linear dependence and independence; basis and dimensions. Linear transformation and matrices; dual spaces and transposition. Solving linear equations. Determinants. Quadratic forms and their relation to local extrema of multivariable functions.

• V63.0142 Honors Linear Algebra II - identical to G63.2120

• V63.0233 Theory of Probability
  An introduction to the mathematical treatment of random phenomena occurring in the natural, physical, and social sciences. Axioms of mathematical probability, combinatorial analysis, binomial distribution, Poisson and normal approximation, random variables and probability distributions, generating functions, Markov chains applications.

• V63.0234 Mathematical Statistics
  An introduction to the mathematical foundations and techniques of modern statistical analysis for the interpretation of data in the quantitative sciences. Mathematical theory of sampling; normal populations and distributions; chi-square, t, and F distributions; hypothesis testing; estimation; confidence intervals; sequential analysis; correlation, regression; analysis of variance. Applications to the sciences.

• V63.0250 Mathematics of Finance
  Introduction to the mathematics of finance. Topics include: Linear programming with application pricing and quadratic. Interest rates and present value. Basic probability: random walks, central limit theorem, Brownian motion, lognormal model of stock prices. Black-Scholes theory of options. Dynamic programming with application to portfolio optimization.

• V63.0252 Numerical Analysis
  In numerical analysis one explores how mathematical problems can be analyzed and solved with a computer. As such, numerical analysis has very broad applications in mathematics, physics, engineering, finance, and the life sciences. This course gives an introduction to this subject for mathematics majors. Theory and practical examples using Matlab will be combined to study a range of topics ranging from simple root-finding procedures to differential equations and the finite element method.

• V63.0262 Ordinary Differential Equations
  First and second order equations. Series solutions. Laplace transforms. Introduction to partial differential equations and Fourier series.

• V63.0263 Partial Differential Equations
  Many laws of physics are formulated as partial differential equations. This course discusses the simplest examples, such as waves, diffusion, gravity, and static electricity. Non-linear conservation laws and the theory of shock waves are discussed. Further applications to physics, chemistry, biology, and population dynamics.

• V63.0282 Functions of a Complex Variable
  Complex numbers and complex functions. Differentiation and the Cauchy-Riemann equations. Cauchy's theorem and the Cauchy integral formula. Singularities, residues, and Laurent series. Fractional Linear transformations and conformal mapping. Analytic continuation. Applications to fluid flow etc.

• V63.0325 Analysis I
  The real number system. Convergence of sequences and series. Rigorous study of functions of one real variable: continuity, connectedness, compactness, metric spaces, power series, uniform convergence and continuity.

• V63.0326 Analysis II
  Functions of several variables. Limits and continuity. Partial derivatives. The implicit function theorem. Transformation of multiple integrals. The Riemann integral and its extensions.

• V63.0375 Topology (optional)
  Set-theoretic preliminaries. Metric spaces, topological spaces, compactness, connectedness, covering spaces, and homotopy groups.
  
  

These are very useful courses for applied work in econometrics, macroeconomic theory, and applied industrial organization. They describe the foundations of methods used to specify and estimate dynamic competitive models.

Just as in jogging, I recommend not overdoing it. Rather, find a pace that you can sustain throughout your years here. You will find that taking these courses doesn't really cost time, because of your improved efficiency in doing economics.

There are many other courses that are interesting and useful. The most important thing is just to get started acquiring the tools and habits these courses will convey

Math courses for Stanford students 
Distinguished Stanford graduates such as David Kreps and Darrell Duffie contributed important new ideas in economics from the beginning of their careers partly because they are creative and partly because they were extraordinarily well equipped in mathematical and statistical tools.
Math Department

• Math 103, 104, Linear algebra

• Math 113, 114 Linear algebra and matrix theory

• Math 106, Introduction to functions of a complex variable (especially useful for econometrics and time series analysis)

• Math 124, Introduction to stochastic processes

• Math 130, Ordinary differential equations

• Math 103, 104, Linear algebra

• Math 131, Partial differential equations

• Math 175, Functional analysis

• Math 205A, B, C, Real analysis and functional analysis

• Math 230A, B, C, Theory of Probability

• Math 236, Introduction to stochastic differential equations
  
  

Engineering Economic Systems and Operations Research

• EESOR 313, Vector Space Optimization. This course is taught from `the Bible' by the author (Luenberger). The book is wonderful and widely cited by economists

• EESOR 322, Stochastic calculus and control
  
  

Statistics

• Stat 215-217, Stochastic processes (Cover)

• Stat 218, Modern Markov chains (Diaconis)

• Stat 310 A, B, Theory of probability (Dembo)
  

      另外这个问题在著名的math.stackexchange 网站上也有网友们的热烈讨论，见
http://math.stackexchange.com/qu ... onomics-phd-student

注：本文选编自张慧铭老师的教学博客。

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关键词：数学知识 诺奖得主 经济学 萨金特 Differential 经济学 数学 知识

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先回复再细读，多谢楼主。

对于从事经济学研究和继续学习的人来说，的确如此。

很悲催，实在是学不懂数学

kanguo

这个还是分享下~

经济学发展到今天，已经越来越强调数学的重要性。

这样看来，要想在经济学领域有所建树，学好数学是一个必要条件。

学好数学很重要要