Muqaddimah empires to collapse, with the result that lower revenue was collected from high rates." He wrote: Ibn Khaldun introduced the concept now popularly known as the Laffer curve, that increases in tax rates initially increase tax revenues, but eventually the increases in tax rates cause a decrease in tax revenues. This occurs as too high a tax rate discourages producers in the economy. Ibn Khaldun used a dialectic approach to describe the sociological implications of tax choice (which now forms a part of economics theory): This analysis is very similar to the modern economic concept known as the Laffer curve.
According to Spike Milligan there are running gags about Dr. Frankenstein's sea voyages during which his ship sinks, the monster disappearing mysteriously because he runs at speeds of 100 mph, and notes by an editor (Milligan) making sarcastic remarks about events in the novel. "The Hound of the Baskervilles According to Spike Milligan" is a spoof of "The Hound of the Baskervilles" by Sir Arthur Conan Doyle. The plot is almost the same as the original, the main differences being that the Spike Milligan version is considerably shorter, and there is more humorous content. Written from the viewpoint of Dr. Watson (who is accompanied