What do machines learn, and why? To answer these questions we import models of human cognition into machine learning …. We propose two ways of modeling machine learners based on this join: feasibility-based and cost-based machine learning …. We evaluate and estimate our models using a deep learning convolutional neural network that predicts pneumonia from chest …

model to retrieve the news-based narratives that underly "shocks" in numerical economic data …

traditional linking methods. Second, we use the links to construct a training data set for use in supervised machine learning …

unstructured and nontraditional data like text and images, and the use of fast and flexible Machine Learning (ML) algorithms in …We have seen in the past decade a sharp increase in the extent that companies use data to optimize their businesses …. Variously called the `Big Data' or `Data Science' revolution, this has been characterized by massive amounts of data, including …

conditions under which robotics and AI complement or are substituting for labor. Further, firm-level data would also allow for …-level data could be collected and used by academics, policymakers and other researchers …

We survey work using Bayesian learning in macroeconomics, highlighting common themes and new directions. First, we … present many of the common types of learning problems agents face---signal extraction problems---and trace out their effects … information. Models differ in their motives for information acquisition and the cost of information, or learning technology …

experience-based learning and sketch a simple model of its role in the stock market based on Malmendier et al. (2020a,b). I then …

We estimate the impact of district-level schooling mode (in-person versus hybrid or distance learning) on test scores …. We combine Spring 2021 state standardized test score data with comprehensive data on schooling in the 2020-21 school year …

represent an understudied channel for this type of social learning. We study an environmentally-focused law in the shale gas …