I'm glad they talked with my good friend Juan Pane, the engine behind a good deal of the solutions deployed in Paraguay. I was very impressed by the quality of the work done in Paraguay at a workshop last year in Buenos Aires. Whereas some have talked the talk of open contracting, Paraguay has walked the proverbial walk.
One reference to some interesting data points:
Correlation is not causation, but I find it amazing that contract amendments have dropped so much. Food for thought for European procurement agencies.