What happens when aid is given as direct cash transfers?

What is the best way of ensuring aid money is used effectively and efficiently? In Kenya, charities are experimenting with direct cash transfers, allowing individual recipients to spend the money on whatever they like.

Thousands of groups spend billions of dollars every year helping tens of millions of people.

Whether it's a response to a humanitarian crisis or trying to lift communities out of poverty, aid accounts for a hefty chunk of the budgets of governments, UN agencies and international organisations.