Kate Raworth is probably best known for her work on economics within the “doughnut” (i.e. within planetary and social boundaries). She is also putting together a series of short videos on “What is Economics?”
Here are the first two, with a third on the way:
the anthropo.scene 
[…] last installment of her three-part video series (see here), in this video Kate Raworth looks forward to economics in the 21st […]