This is an interesting summary on the African Arguments website of the book “Poor Numbers: How We are Misled by African Development Statistics and What to Do About It” by Morten Jerven. There are many problems with government economic statistics in Africa. But the emphasis in this summary is that by using historical weights they often give much too much weight to declining or stagnant sectors of an economy as compared to the growing, dynamic sectors of an economy. Thus, much of the economic growth is missed.