Abstract
In the epoch of Empire, the American economy is sustained by a global monetary circuit totally different front that of the imperialist period. Whilst the imperialist countries were constituted as « centres » of production, the contemporary US is no longer just a centre of absorption and evacuation of money which necessitates the existence of a financial pump to the outside. In becoming that pump, the Japanese economy became integral to the global market. The imperial monetary circuit also functions as a mode of capture, particularly of value, that one can qualify as « financial » with regard to the classic « exploitation » of workers. This paper tries to demonstrate that ultimately the two modes of capture are nonetheless achieved by a single function of money