Mathematics for economists

국립 연구 고등 경제 대학

이 강좌에 대하여

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This course is an important part of the undergraduate stage in education for future economists. It's also useful for graduate students who would like to gain knowledge and skills in an important part of math. It gives students skills for implementation of the mathematical knowledge and expertise to the problems of economics. Its prerequisites are both the knowledge of the single variable calculus and the foundations of linear algebra including operations on matrices and the general theory of systems of simultaneous equations. Some knowledge of vector spaces would be beneficial for a student. 
The course covers several variable calculus, both constrained and unconstrained optimization. The course is aimed at teaching students to master comparative statics problems, optimization problems using the acquired mathematical tools. 
Home assignments will be provided on a weekly basis.

The objective of the course is to acquire the students’ knowledge in the field of mathematics and to make them ready to analyze simulated as well as real economic situations.

Students learn how to use and apply mathematics by working with concrete examples and exercises. Moreover this course is aimed at showing what constitutes a solid proof. The ability to present proofs can be trained and improved and in that respect the course is helpful. It will be shown that math is not reduced just to “cookbook recipes”. On the contrary  the deep knowledge of math concepts helps to understand real life situations.

Do you have technical problems? Write to us: coursera@hse.ru

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자막: 아랍어, 프랑스어, 포르투갈어 (유럽), 중국어 (간체자), 이탈리아어, 베트남어, 한국어, 독일어, 러시아어, 터키어, 영어, 스페인어

강사

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Kirill Bukin

Associate Professor, Candidate of sciences (phys.-math.)

Faculty of Economic Sciences, Department of Theoretical Economics

22,928명의 학습자

1 Course

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지금 바로 시작해 나만의 일정에 따라 학습을 진행하세요.

유동적 마감일

일정에 따라 마감일을 재설정합니다.

중급 단계

완료하는 데 약 26시간 필요

영어

자막: 아랍어, 프랑스어, 포르투갈어 (유럽), 중국어 (간체자), 이탈리아어, 베트남어, 한국어, 독일어, 러시아어, 터키어, 영어, 스페인어

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국립 연구 고등 경제 대학

National Research University - Higher School of Economics (HSE) is one of the top research universities in Russia. Established in 1992 to promote new research and teaching in economics and related disciplines, it now offers programs at all levels of university education across an extraordinary range of fields of study including business, sociology, cultural studies, philosophy, political science, international relations, law, Asian studies, media and communicamathematics, engineering, and more.

강의 계획 - 이 강좌에서 배울 내용

주

주 1

완료하는 데 4시간 필요

The basics of the set theory. Functions in Rn

Week 1 of the Course is devoted to the main concepts of the set theory, operation on sets and functions in Rn. Of special attention will be level curves. Also in this week introduced definitions of sequences, bounded and compact sets, domain and limit of the function. Also from this week students will grasp the concept of continuous function.

완료하는 데 4시간 필요

12개 동영상 (총 117분), 2 개의 읽기 자료, 1 개의 테스트

12개의 동영상

About the University1m

Promo1m

1.1. Definitions and examples of sets14m

1.2. Operations on sets9m

1.3. Open balls in Rn9m

1.4. Sequences in Rn. Closed sets.10m

1.5. Bounded and compact sets10m

1.6. Functions and level curves in Rn16m

1.7. Domain and limit of a function. Continuous functions.13m

1.8. Continuity of a function. Weierstrass theorem.13m

1.9. Composite function.12m

1.10. Continuity of a composite function3m

2개의 읽기 자료

About the University10m

Rules on the academic integrity in the course10m

주

주 2

완료하는 데 4시간 필요

Differentiation. Gradient. Hessian.

Week 2 of the Course is devoted to the main concepts of differentiation, gradient and Hessian.

완료하는 데 4시간 필요

13개 동영상 (총 115분)

13개의 동영상

2.1. Differentiation. Partial differentiation.7m

2.2. Example of differentiation. Cobb-Douglas function.9m

2.3. Tangent plane.7m

2.4. Total differential.7m

2.5. Chain rule for multivariate functions.8m

2.6. Gradient of the function.9m

2.7. Economic applications of the gradient.9m

2.8. Equation of a circumference. Smooth curves.13m

2.9. Chain rule for differentiation.10m

2.10. Linear approximation. Example of tangent plane for particular function.10m

2.11. Second-order derivatives.10m

2.12. Young's Theorem.5m

2.13. Hessian matrix.5m

1개 연습문제

Limits. Derivatives. Continuity1시간

주

주 3

완료하는 데 3시간 필요

Implicit Function Theorems and their applications.

Week 3 of the Course is devoted to implicit function theorems. In this week three different

완료하는 데 3시간 필요

12개 동영상 (총 93분)

12개의 동영상

3.1. Implicit functions.7m

3.2. Implicit Function Theorem.5m

3.3. Applications of the Implicit Function Theorem (part 1).10m

3.4. Applications of the Implicit Function Theorem (part 2).7m

3.5. Gradient is perpendicular to a level curve of a function.11m

3.6. Implicit function theorem for the function of many variables.6m

3.7. Example of application of the IFT for the function of many variables.8m

3.8. Implicit Function Theorem for the system of implicit functions. Jacobian matrix.10m

3.9. Example of application IFT for the system of implicit functions (part 1).8m

3.10. Example of application IFT for the system of implicit functions (part 2).7m

3.11. Example of application in microeconomics.6m

3.12. Cramer's rule.2m

주

주 4

완료하는 데 4시간 필요

Unconstrained and constrained optimization.

Week 4 of the Course is devoted to the problems of constrained and unconstrained optimization.

완료하는 데 4시간 필요

15개 동영상 (총 112분)

15개의 동영상

4.1. Introduction in optimization.10m

4.2. Global max. Local max. Saddle point.9m

4.3. Unconstrained optimization.9m

4.4. Critical point. Taylor's formula.12m

4.5. Quadratic forms. Positive definiteness. Negative definiteness.7m

4.6. Sylvester's criterion (part 1).7m

4.7. Sylvester's criterion (part 2).5m

4.8. Examples of Hessians (part 1).7m

4.9. Example of Hessians (part 2).4m

4.10. Sufficient condition for a critical point to be a local maximum, a local minimum and neither of both.7m

4.11. Examples of finding and classification of critical points (part 1).6m

4.12. Examples of finding and classification of critical points (part 2).4m

4.13. Constrained optimization.9m

4.14. Lagrangian.5m

4.15. Example of constrained optimization problem.4m

1개 연습문제

Partial derivatives and unconstrained optimization.1시간

주

주 5

완료하는 데 3시간 필요

Constrained optimization for n-dim space. Bordered Hessian.

Week 5 of the Course is devoted to the extension of the constrained optimization problem to the

완료하는 데 3시간 필요

13개 동영상 (총 99분)

13개의 동영상

5.1. Example of the solution of the constrained optimization.6m

5.2. Weierstrass theorem. Compact sets.7m

5.3. Bordered Hessian.9m

5.4. Constrained optimization in general case (part 1).5m

5.5. Constrained optimization in general case (part 2).6m

5.6. Application of the bordered Hessian in the constrained optimization.7m

5.7. Generalization of the constrained optimization problem for the n variables case.8m

5.8. Example of constrained optimization for the case of more than two variables (part 1).7m

5.9. Example of constrained optimization for the case of more than two variables (part 2).9m

5.10. Example of constrained optimization problem on non-compact set.5m

5.11. Theorem for determining definiteness (positive or negative) or indefiniteness of the bordered matrix.5m

5.12. Example of application bordered Hessian technique for the constrained optimization problem.8m

5.13. Example of violating NDCQ.10m

주

주 6

완료하는 데 2시간 필요

Envelope theorems. Concavity and convexity.

Week 6 of the Course is devoted to envelope theorems, concavity and convexity of functions.

완료하는 데 2시간 필요

11개 동영상 (총 85분)

11개의 동영상

6.1. Envelope Theorem.8m

6.2. Envelope Theorem for constrained optimization.4m

6.3. Examples of the Envelope Theorem application (part 1).7m

6.4. Examples of the Envelope Theorem application (part 2).6m

6.5. Interpretation of the Lagrangian multiplier.10m

6.6. Relaxing assumptions using second order conditions.8m

6.7. Concave and convex functions.7m

6.8. Concave and convex functions in n-dimensional case.7m

6.9. Inequality for concave function in n-dimensional space.9m

6.10. Criteria of concavity and convexity of the function in n-dimensional space.5m

6.11. Properties of concave functions.7m

주

주 7

완료하는 데 3시간 필요

Global extrema. Constrained optimization with inequality constraints.

Week 7 of the Course is devoted to identification of global extrema and constrained optimization

완료하는 데 3시간 필요

11개 동영상 (총 96분)

11개의 동영상

7.1. How to identify global extrema? (part 1)11m

7.2. How to identify global extrema? (part 2)10m

7.3. How to identify global extrema? (part 3)12m

7.4. How to identify global extrema? (part 4)10m

7.5. Constrained optimization with inequality constraints.8m

7.6. Binding constraints. Complementary slackness conditions.5m

7.7. Constrained optimization problem with inequalities for n-dimensional space.7m

7.8. Constrained optimization problem with inequalities. Theorem.6m

7.9. Example of solving constrained optimization problem with inequalities (part 1).9m

7.10. Example of solving constrained optimization problem with inequalities (part 2).10m

7.11. Example of solving constrained optimization problem with inequalities (part 3).3m

주

주 8

완료하는 데 3시간 필요

Kunh-Tucker conditions. Homogeneous functions.

Week 8 of the Course is devoted to Kuhn-Tucker conditions and homogenous functions. This

완료하는 데 3시간 필요

9개 동영상 (총 80분)

9개의 동영상

8.1. Kuhn-Tucker conditions.7m

8.2. Solving consumer choice problem using Kuhn-Tucker conditions (part 1).9m

8.3. Solving consumer choice problem using Kuhn-Tucker conditions (part 2).11m

8.4. Solving minimization costs problem using Kuhn-Tucker conditions (part 1).9m

8.5. Solving minimization costs problem using Kuhn-Tucker conditions (part 2).7m

8.6. Homogeneous functions.6m

8.7. Homogeneous functions. Two propositions.5m

8.8. Income-consumption curve.10m

8.9. Euler's Theorem.12m

1개 연습문제

Kuhn-Tucker conditions. Concavity, convexity.1시간

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Mathematics for economists