表題のNY連銀ブログ(原題は「Economic Predictions with Big Data: The Illusion of Sparsity」)で、同じタイトルの研究論文の内容を紹介している。著者はDomenico Giannone(NY連銀)、Michele Lenza(ECB)、Giorgio Primiceri(ノースウエスタン大)。 以下はその冒頭。 The availability of large data sets, combined with advances in the fields of statistics, machine learning, and econometrics, have generated interest in forecasting models that include many possible predictive varia