The ghost of a long-dead growth model still haunts aid to developing countries. The Harrod-Domar growth model supposedly died long ago. But for more than 40 years, economists working on developing countries have applied- still apply- Harrod-Domar model to calculate short-run investment...

The concept of services is a more complex one than people actually understand because there are many difference between goods and services. The objective of the paper is to introduce the reader in the world of services by highlighting the relationships between the promised services and the...