This paper analyzes the endogeneity of licensing arrangements in cost-reducing cumulative innovation. There exists the following results. First, for the first-generation patentee, ex post licensing matters for rent extraction while ex ante licensing matters for efficiency. Second, if the...

The problems of detecting, classifying, and estimating shapes in point cloud data are important due to their general applicability in image analysis, computer vision, and graphics. They are challenging because the data is typically noisy, cluttered, and unordered. We study these problems using a...

This paper uses semiparametric time-series methods to model the effects of weather variations on the output growth rate of the construction sector. The paper also employs structural time-series methods to model the cyclical paths of weather variables and uses this information to evaluate the...