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.
Life According to Ohad cages, refusing to leave. The activists remain until after sunrise, until eventually Ohad is cut loose and the truck must return to its original location to due legalities about keeping farmed animals exposed for a long period of time. The film ends with Ohad and his love-interest curled up together outside the scene, falling asleep. Life According to Ohad Life According to Ohad (Hebrew: החיים על פי אוהד "Hachaim al pi Ohad") is a 2014 Israeli biographical documentary about a vegan animal-rights activist named Ohad Cohen. The film highlights Ohad's struggle to reconnect with his family after separating from them