The trend of increasing commodity prices that lasted for about 10 years between 2003 and 2012 has given way to lower global prices. It is now widely believed that prices will remain relatively low in the medium term, as growth in emerging economies has decelerated and, in general, commodity...

São Tomé and Príncipe (STP), a small island nation of 215,000 people in the Gulf ofGuinea off the coast of Central Africa, is in many ways a country of great untapped wealth. One of Africa's least known countries, its striking volcanic landscape is hometo virgin rainforests with rich...