Introduction -- The costs and benefits of running away: late medieval Florentine plague mortality and behavior -- When economic theory meets medieval contracts: calculating the Monte Comune interest rate -- The chances of getting rich in Renaissance Florence: the wool industry occupational...

Frame and Carpenter 1979 analysed the pattern of international research collaboration among scientific fields in 1970s. Starting from this pioneering work, this paper investigates international collaborations over 1997-2012 and compares the critical results with earlier studies to detect the...