Poverty Impedes Cognitive Function Anandi Mani,1 Sendhil Mullainathan,2 * Eldar Shafir,3 * Jiaying Zhao4 The poor often behave in less capable ways, which can further perpetuate poverty. We hypothesize that poverty directly impedes cognitive function and present two studies that test this hypothesis. First, we experimentally induced thoughts about finances and found that this reduces cognitive per
Brennan, Karen, Sarah Blum-Smith, and Max Yurkofsky. 2018. “From checklists to heuristics: Designing MOOCs to support teacher learning.” Teachers College Record 120 (9). Abstract: Background: Although much is known from educational research about factors that support K–12 teacher professional learning, it has been an ongoing challenge to incorporate these factors into practice in new contexts and
The course will focus on a range of topics in public economics including welfare estimation of tax and expenditure policies, including income and commodity taxation, public goods, education, and place-based policies. We will also discuss foundations for government intervention, including market failures such as externalities and asymmetric information. Throughout, the focus will be on using theore
Abstract:This paper provides evidence that a person's gender influences the way others interpret information about his or her ability and documents the implications for gender inequality in labor markets. Using data on physicians' referrals to surgical specialists, I find that referring physicians view patient outcomes differently depending on the performing surgeon's gender. Physicians become mor
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I am an experimental particle physicist, i.e., I study properties of the elementary particles and their interactions. I have been at Harvard University, Department of Physics, since August 2000, where I am a Donner Professor of Science. I am a member of Harvard University's Laboratory for Particle Physics and Cosmology (LPPC). The laboratory consists of about 40 people involved in particle physics
Economics 2035 will next be offered in Fall, 2023
Optimal Bandwidth Choice for the Regression Discontinuity Estimator∗ Guido Imbens† and Karthik Kalyanaraman‡ First Draft: June 2008 This Draft: February 2009 Abstract We investigate the problem of optimal choice of the smoothing parameter (bandwidth) for the regression discontinuity estimator. We focus on estimation by local linear regression, which was shown to be rate optimal (Porter, 2003). Inv
Abstract:In this paper we provide a model of the macroeconomic implications of safe asset shortages. In particular, we discuss the emergence of a deflationary safety trap equilibrium with endogenous risk premia. It is an acute form of a liquidity trap, in which the shortage of a specific form of assets, safe assets, as opposed to a general shortage of assets, is the fundamental driving force. At t
Stock J, Watson MW. Introduction to Econometrics. New York: Prentice Hall; 2003.
Abstract:This paper discusses experimental design for the case that (i) we are given a distribution of covariates from a pre-selected random sample, and (ii) we are interested in the average treatment effect (ATE) of some binary treatment. We show that in general there is a unique optimal non-random treatment assignment if there are continuous covariates. We argue that experimenters should choose
We study supply and demand shocks in a general disaggregated model with multiple sectors, factors, and input-output linkages, as well as downward nominal wage rigidities and a zero lower bound constraint. We use the model to understand how the Covid-19 crisis, an omnibus of supply and demand shocks, affects output, unemployment, and inflation, and how it leads to the coexistence of tight and slack
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