Martin
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 2d asked Solution of seemingly simple system of equation Apr 7 accepted Is there a way to solve explicitly the following functional equation? Apr 5 comment Is there a way to solve explicitly the following functional equation? The CDF is the "solution" (Nash equilibrium) of an economic model where we are interested in firms' optimal pricing strategy when there are two types of consumers in some specific market. The "standard" case, which is easy to solve, would be when $\lambda = 1$. Apr 4 comment Is there a way to solve explicitly the following functional equation? Thanks for the amazing answer! I will go through it in detail and hope that I can continue from there. Mar 29 asked Is there a way to solve explicitly the following functional equation? Jan 28 asked Signing *change* of probability that one random variable is lower than another Aug 12 accepted Lower bound for (function of) density of well-behaved random variable Aug 8 comment Lower bound for (function of) density of well-behaved random variable Thank you for the great answer! I'm 99% satisfied with this (in fact, I also thought about using $f(\theta) = \frac{r}{\theta}$ as a worst-case scenario). But can you also give a formal proof that for given $\sigma^2$, this is indeed the relevant function to consider? Aug 3 revised Lower bound for (function of) density of well-behaved random variable added 1454 characters in body Jul 30 asked Lower bound for (function of) density of well-behaved random variable Jul 15 revised Derivative of implicit function - possible to bring in specific form? deleted 4 characters in body Jul 15 asked Derivative of implicit function - possible to bring in specific form? Jul 6 comment Optimize distributions for low mean, high variance Based on this, you can eliminate all "dominated" distributions, which may give you a smaller (or even singleton) set of non-dominated distributions. Jul 6 answered Optimize distributions for low mean, high variance Jun 30 awarded Yearling Jun 30 comment Calculus: simpler way of showing that derivative is negative? Thanks for your input! That's a nice trick to remember. Jun 30 accepted Calculus: simpler way of showing that derivative is negative? Jun 30 comment Calculus: simpler way of showing that derivative is negative? Thanks a lot, that's basically exactly what I was looking for. Jun 30 asked Calculus: simpler way of showing that derivative is negative? Dec 14 awarded Caucus