If you keep refreshing your inbox, wondering where your Christmas order has got to, you're not alone. Consumers around the world are seeing a shortage of everything from toys to timber.

So why is the world economy suddenly running low on products? In a wide ranging discussion with Hilary Harper for ABC Radio National’s Life Matters program, Enrica Centorame, Managing Director of Global Forwarding, joins Amrik Sohal, Professor of Management and Director of the Australian Supply Chain Management Research Unit at Monash University, to examine the causes of the world’s current supply chain dramas and why Australia is experiencing them more than other countries.