11 Answered Questions for the topic mathematical economics

Mathematical Economics Calculus Economics Microeconomics

01/06/20

Positive externalities, public goods, game theory, Pigouvian Taxes and The NBA and extra credit question.
This is an extra credit part of a really neat exercise which covers elements of Imperfect markets (Duopsony), game theory, public economics, positive external benefits Pigouvian taxes... more
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Mathematical Economics Calculus Economics Microeconomics

01/06/20

Positive Externalities, Public goods, Pigouvian Taxes and Subsidies Game theory and The NBA part 7.
This is the 7th part of a really neat exercise which covers elements of Imperfect markets (Duopsony), game theory, public economics, positive external benefits Pigouvian taxes and... more
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Mathematical Economics Calculus Economics Microeconomics

01/06/20

Positive Externalities, Public Goods, Pigouvian tax and subsidy schemes game theory and the NBA part 6
This is the sixth part of a really neat exercise which covers elements of Imperfect markets (Duopsony), game theory, public economics, positive external benefits Pigouvian taxes and... more
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Mathematical Economics Calculus Economics Microeconomics

01/06/20

Positive Externalities, Public Goods, Pigouvian Taxes and Subsidies, Game Theory, Duopsony, Cournot- Nash Equilbria and the NBA Part 2
This is a really neat exercise which covers elements of Imperfect markets (Duopsony), game theory, public economics, positive external benefits Pigouvian taxes and subsidies and elements... more
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Mathematical Economics Finance Financial Economics

05/16/19

Prove that variance of a portfolio cannot exceed variance of individual assets?
When reading on Markowitz's portfolio theory, I stumbled across the fact that in a market with two risky assets, if no short selling is not allowed, the variance of a portfolio consisting of the... more
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Mathematical Economics Microeconomics Game Theory Auctions

04/25/19

In auction theory, why is my own valuation a random variable?
Auction theory typically (always?) begins by assuming that each bidder's valuation is a random variable. Now, it might seem reasonable (at least from a Bayesian perspective) for you to treat... more
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Mathematical Economics Microeconomics Preferences

04/16/19

Are homothetic preferences monotonic?
I'm trying to understand intuitively what a homothetic preference is, and I am still not quite there. I understand the definition, that a homothetic preference implies that the slope of the... more
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04/01/19

How accurate is duality?
In economic theory we know that with the use of some calculus, Hotellings Lemma and Sheppards Lemma we can derive a given firms supply function and in term its Profit function.With data of a given... more
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Mathematical Economics Finance Probability Bonds

03/27/19

Negative probabilities - Can we have negative payments in bonds?
In [Half of a Coin: Negative Probabilities](http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.592.2043&rep=rep1&type=pdf), the author mentions bond duration.Suppose we have payments... more
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03/19/19

Fundamental equations in economics?
For the other sciences it's easy to point to the most important equations that ground the discipline. If I want to explain Economics to a physicist say, what are considered to be the most important... more
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Mathematical Economics Business Macroeconomics Gdp

03/19/19

Calculating rate of growth of per capita income?
Given this question:National income is increasing by 1.5% a year and population by 2.5% a year. What is the rate of growth of per capita income?Attempt: Since per capita income is GDP/ population.... more
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