International travel has become much cheaper, and there are more and more tourists. Do the advantages of the increased tourism outweigh the disadvantages?
But innovation, broadly defined, is the crucial ingredient in all economic progress—higher growth for nations, more competitive products for companies, and more prosperous careers for individuals.
The countermeasures for it is to narrow the gap, deepen system reforms, regulate the market, control power abuse and increase the income of most people.
Despite the ravages of AIDS and a plethora of other diseases Africa's populations continue to outstrip the carry capacity of the continental resource base.