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  • 1/30/2019 Colloquium

    Innovation in Cell Phones in the US and China: Who Improves Technology Faster?

    CMSA 20 Garden Street, Cambridge, MA, United States

    Speaker: Richard B. Freeman (Harvard University and NBER) Title: Innovation in Cell Phones in the US and China: Who Improves Technology Faster? Abstract: Cell phones are the archetypical modern consumer innovation, spreading around the world at an incredible pace, extensively used for connecting people with the Internet and diverse apps. Consumers report spending from 2-5 hours a day […]

  • 2/7/2019 Colloquium

    Inference for the Mean

    CMSA 20 Garden Street, Cambridge, MA, United States

    Speaker: Ulrich Mueller (Princeton) Title: Inference for the Mean Abstract: Consider inference about the mean of a population with finite variance, based on an i.i.d. sample. The usual t-statistic yields correct inference in large samples, but heavy tails induce poor small sample behavior. This paper combines extreme value theory for the smallest and largest observations with a normal approximation for […]