I put a new paper up at SSRN (Maximum entropy and information theory approaches to economics)
that I believe is accessible despite currently being under review that's been accepted and is no longer under review:
It covers some of the material I've covered in presentations (collected here), but with a lot more details and explanations. It also contains the derivation of my favorite equation I've come up with here:
That's probably the best shot I'll get at an equation I could engrave on my tombstone.