Musharakah, Mudarabah, and Diminishing Musharakah are participatory modes of Islamic finance.
Musharakah is a partnership where both partners provide capital and work, and share profits according to agreement but losses according to capital contribution. Mudarabah is a partnership where one partner provides capital while the other provides expertise, with profits shared according to agreement but losses borne by capital provider.
Diminishing Musharakah allows a client to gradually purchase a financier's shares in a jointly owned asset over time through periodic payments until becoming sole owner, compensating the financier through return of capital. These structures can be used to finance various projects and transactions in