Influence factors of bate coefficient in the real estate enterprises

Due to the feature, the real estate enterprise should be paid more attention to its manage and control risk. Attaining the largest profits based on specific risk is the main aim of the real estate corporation. According, to capital asset pricing model (CAPM), influence factor's on bate coefficient (,8) in the real estate industry have been analyzed. It is pointed out that bate coefficient is not constant all long, but alters with variables which influence profit. Action mode and result of beta coefficient have been described in the same. Alternation of external variables will make bate coefficient oscillate along some mean and not change ultimately. In the end of the paper, methods to modify oscillation have been presented.