http://en.wikipedia.org/wiki/Tied_aid

The full definition of Tied aid as defined by OECD is[1]

Tied aid credits are official or officially supported Loans, credits or Associated Financing packages where procurement of the goods or services involved is limited to the donor country or to a group of countries which does not include substantially all developing countries (or Central and Eastern European Countries (CEECs)/New Independent States (NIS) in transition).

gebundene Entwicklungshilfe ??