目前还没有足够多的实证研究结果支持这个模型。
While I'd like to tell you about a whole series of empirical studies that have found support for this model, I can't because they don't exist.
虽然在理论上股票期权具有很强的激励作用，但是至今没有令人信服的实证结果说明股票期权制度对企业绩效的促进效果。
Although stock option has strong incentive effects in theory, there is no compellent evidence of stock option system's positive effects on firm's performance.
本文的实证结果表明，财政支出不仅没有促进区域经济差距的缩小，反而起到了负面作用，加速了区域经济的发散。
The empirical results show that the fiscal expenditure not only failed to promote regional economic gap narrowed, but has played a negative role in accelerating regional economic divergence.
应用推荐