Economists (and other scientists) often study the changes over time in variables like national income, interest rate, oil production... The laws of motion governing these variables are usually expressed in terms of one or more differential or difference equation(s).
(Weekly) lessons
Individual discussions and questions via Skype/Zoom
Performance review
Exercises must be solved and you should hand in the solutions. The solutions will be marked. All these marks together (arithmetic mean) give the preliminary mark. At the end of the term there will be an examination. Your overall mark will be the arithmetic mean of the preliminary mark and the examination mark.
General Information
There is an examination (duration 90 minutes). The date of the examination will be fixed with the participants of the course.
Allowed electronic means:
simple pocket calculator (einfacher Taschenrechner, according to Merkblatt Hilfsmittel)
Allowed non-electronic means:
open-book
Sydsaeter K., Hammond P., Seierstad A., Strom A.: Further Mathematics for Economic Analysis, Prentice Hall.Chiang,
Alpha C.: Fundamental Methods of Mathematical Economics, McGraw-Hill International Editions.
Please solve the following problems and submit your solutions of the marked questions.
Keywords
vector, matrix, eigenvalue, eigenvector, diagonalization, linear transformation, vector space, metric, norm, inner product, complete space, continuous function, uniformly continuous function, convergent function, uniformly convergent function
Preparation
Please read the following Handout 1 and study (at least) the pages 1-8.
Keywords
partial derivative, gradient, Hesse matrix, differential, directional derivative, chain rule, implicit function and derivative, Taylor formula, unconstrained optimization
Preparation
Please read (and study) the following Handout 2.
Meeting (Skype or Zoom)
Make an appointment
Keywords
Zero, fixed point, self mapping, Lipschitz continuous, Lipschitz constant, contraction, Banach's fixed point theorem, Jacobi matrix, Newton method
Preparation
Please read (and study) the following Handout 3.
Meeting (Skype or Zoom)
Make an appointment
Keywords
continuous self mapping, compact and convex set, fixed point
Preparation
Please read the following Handout 4 and study (at least) the pages 1-6.
Meeting (Skype or Zoom)
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Keywords
local and global extremal points, unconstrained optimization, constrained optimization, Lagrange method, Kuhn-Tucker method
Preparation
Please read and study the following Handout 5
Meeting (Skype or Zoom)
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Please solve the following problems and submit your solutions of the marked questions.
Keywords
differentiable processes, differential equations, systems of differential equations, autonomous systems, phase plane analysis, equilibrium point, linear systems with constant coefficients
Preparation
Please read and study the following Handout 6 (at least pages 1-11)
Meeting (Skype or Zoom)
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Keywords
functional, increment, calculus of variations, fundamental theorem of calculus of variations, Euler equation, optimal control problems, performance measure, Pontryagin's Minimimum Principle
Preparation
Please read and study the following Handout 7
(at least the first part ,,Functionals and calculus of variations)
Meeting (Skype or Zoom)
Make an appointment
Please solve the following problems and submit your solutions of the marked questions.
Keywords
differential and difference equations, linear difference equations, stability, systems of difference equations, autonomous systems, linear systems with constant coefficients
Preparation
Please read and study the following Handout 8.
Meeting (Skype or Zoom)
Make an appointment
Keywords
discrete time optimization for finite and infinite horizon, optimal value function, fundamental equations, Bellman equation
Preparation
Please read and study the following Handout 9.
Meeting (Skype or Zoom)
Make an appointment
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