Mathematical economics

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

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

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

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

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

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

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

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

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

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

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