While economic historians have stressed the importance of price competition in the protection market, theorists of conflictual activity have argued against the extrapolation of this form of competition in the protection market and favored competition through the quantity of conflictual effort....

This paper examines the relevance of price competition in the protection market in order to explain the different modes of empire-building. Our approach unravels the economic rationale of merchant empires which is not explicable with existing theoretical frameworks systematically eluding price...