* One quarter of the aid [provided by rich countries] – $20bn a year – funds expensive and often ineffective western consultants, research and training.
* In the UK, for example, almost half of TA spending goes on consultants and other experts, the vast majority of them British.
* A typical cost of an expatriate consultant will be in the region of $200,000 a year. According to the OECD, in typical cases more than one third of this is spent on school fees and child allowances – spending which would not be needed if local consultants were used.