-For more on the regression theorem, Menger's Origins of Money is a must read.
-Roger Ver & I recently discussed the value storage function of money in detail here.
-Here is Selgin's landmark paper, "Synthetic Commodity Money"
-I mentioned first hearing of synthetic commodity money from Malavaika Nair's lecture at Mises, The Economics of Bitcoin. Here it is:
-For more on the functions of money see chapter 1 of Mises' Theory of Money & Credit
***Be sure to follow @georgeselgin on Twitter & at Alt-M where he blogs regularly***