2 papers
econ.EM2022
With big data come big problems: pitfalls in measuring basis risk for crop index insurance
Matthieu Stigler, Apratim Dey, Andrew Hobbs +1
New satellite sensors will soon make it possible to estimate field-level crop yields, showing a great potential for agricultural index insurance. This paper identifies an important…
math.PR2021
Joint convergence of sample cross-covariance matrices
Monika Bhattacharjee, Arup Bose, Apratim Dey
Suppose and are matrices each with mean , variance and where all moments of any order are uniformly bounded as . Moreover, the entries $(…