The largest conference in the field of efficiency and productivity analysis is the European Workshop on Efficiency and Productivity Analysis (EWEPA) XIV. This conference is held in odd years and the North American Productivity Workshop (NAPW) is held in even years. This years conference was help from June 16-18 in Helsinki, Finland. I was invited to give a plenary talk with Chris Parmeter. The topic was Nonparametric smoothing and shape constraints.