Do politico-economic systems influence how control affects motivation? We hypothesize that control aversion, meaning crowding-out of intrinsic motivation due to enforcement, has evolved less under the coercive regime of East Germany than under the liberal regime of West Germany. We test this...

The Wind energy is more reliable and speedier growing, among the renewable energy resources, due to the world environment challenges as well as increasing demand for energy. The wind turbine system's stability is cumbersome due to the uneven distribution of wind. Centrifugal and gravitational...