In the early 1990s Mexico City's Federal District (the D.F.) initiated a series of service contracts with four operators in the private sector, each to be implemented in three stages over ten years. The idea was to introduce competitive pressures and to find out if a "gradualist" aaproach would...

"Previous work has shown that firms in low and middle-income countries in Eastern Europe and Central Asia that feel greater pressure to innovate from their competitors are more likely to introduce new products and services than firms that do not feel pressure (Carlin and others 2001; World Bank...