You will be given a definition of a task first, then some input of the task.
Given a sentence and two mentions from the text (arguments), indicate a phrase (a verb or noun phrase) that describes the relationship between the provided arguments.

Sentence: 'The ten member commission of experts on reforms of the international monetary and financial system , established by Dscoto in October and led by former World Bank chief economist Joseph Stiglitz , is expected to release a report by February next year .', Argument/Subject 1: 'stiglitz', Argument/Subject 2: 'world bank'
Output:
be economist of