Nigeria is going through a difficult political and economic transition after decades of independence.Yet, Nigeria remains a society rich in cultural, linguistic, religious, ethnic and political diversity. Today, the average Nigerian struggles hard to make ends meet; sees himself or herself as...

NIGERIA IS GOING THROUGH A DIFFICULT POLITICAL AND ECONOMIC TRANSITION AFTER FORTY YEARS OF INDEPENDENCE. YET, NIGERIA REMAINS A SOCIETY RICH IN CULTURAL, LINGUISTIC, RELIGIOUS, ETHNIC AND POLITICAL DIVERSITY. TODAY, THE AVERAGE NIGERIAN STRUGGLES HARD TO MAKE ENDS MEET; SEES HIMSELF OR HERSELF...

This paper analyzes optimal paths in a one-sector growth model when the technology is not convex. In such a case, we prove that optimal paths converge to the upper steady state iff the initial wealth is above a critical level. Then we first show that thanks to debt and/or R&D the poverty trap...