We first study growth and risk sharing in a stochastic growth model with preference shocks and two risk-averse agents. In periods in which one of the agents needs extra consumption (insurance), it is socially optimal to reduce the consumption of the other agent (redistribution) and also to...

New horizons -- Drones : delivering value to the economy -- Drones - healthcare, humanitarian efforts and recreational use -- Drones and law enforcement -- Maritime uses of drones -- Urban environment -- Global terrorism and security -- Aerodromes and aircraft safety -- Personal injury, property...