Ask Mark 5.5 - Difference between agency and free will

Ask Mark 5.5 - Difference between agency and free will
Professor Mark Solms from the University of Cape Town (UCT) a question (see below) posed to him on UCT's free online course, "What is a Mind?", hosted by FutureLearn. For more information on visit bit.ly/1JB2Dxf .
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Question: "In the first video “Agency” is likened to “Free Will”. Would you agree the two are different - agency being the capacity to make decisions and act accordingly, consciously or otherwise, and arising from causal chains of thought which in turn, are the product of brain biochemistry; and free will being a more abstract concept carrying some implication of moral judgment? Actually, does free will even exist?"