The paper models evolution in pecunia—in the realm of finance. Financial markets are explored as evolving biological systems. Investors pursuing diverse investment strategies compete for the market capital. Some `survive' and some `become extinct.' A central goal is to identify evolutionary...

We investigate in details a Trejos-Wright random matching model of money with a consumer take-it-or-leave-it offer and the individual money holding set {0,1,2}. First we show generic existence of three kinds of steady states: (1) pure-strategy full-support steady states, (2) mixed-strategy...

We investigate in details a Trejos-Wright random matching model of money with a consumer take-it-or-leave-it offer and the individual money holding set {0,1,2}. First we show generic existence of three kinds of steady states: (1) pure-strategy full-support steady states, (2) mixed-strategy...

This paper investigates a Trejos-Wright random matching model of money with a consumer take-it-or-leave-it offer and with individual money holdings in the set {0, 1, 2}. It is shown that three kinds of monetary steady state exist generically: (1) pure-strategy full-support steady states, (2)...