Holdings of own securities by MFIs comprise securities which were purchased by another investor at issue and then re-purchased by the original issuer, as well as securities effectively issued and retained by the holder at issuance.
Toutefois, dans un régime de pension à prestations déﬁnies, le niveau des prestations futures qui seront servies aux bénéficiaires est déterminé par une formule convenue à l'avance.