We show that in a large class of distributed optimal control models (DOCM), where population is described by a McKendrick type equation with an endogenous number of newborns, the reproductive value of Fisher shows up as part of the shadow price of the population. Depending on the objective...

The medical marketplace / Mark S. R. Jenner & Patrick Wallis -- Medical economies in fifteenth-century England / Robert Ralley -- Competition and cooperation in the early modern medical economy / Patrick Wallis -- The rural medical marketplace in southern England c.1570-1720 / Ian Mortimer --...