George Washington University
Early literacy tutoring and children’s reading trajectories: Evidence from a four-year randomized controlled trial
Most evidence on early literacy tutoring comes from intensive one-year interventions. Much less is known about whether schools can sustain individualized instructional support as students’ reading needs evolve across the early grades. We present findings from a four-year randomized controlled… more →
Cosmetology Gets a Trim: The Impact of Reducing Licensing Hours on Colleges and Students
In the United States, licenses are required for entry into many different occupations. Requirements vary by state and occupation, but many licenses require a minimum number of training or instructional hours. We consider the impact of these hours requirements on students and postsecondary… more →
A Scalable Approach to High-Impact Tutoring for Young Readers: Results of a Randomized Controlled Trial
This paper presents the results from a randomized controlled trial of Chapter One, an early elementary reading tutoring program that embeds part-time tutors into the classroom to provide short bursts of 1:1 instruction. Eligible kindergarten students were randomly assigned to receive… more →
The Impact of Armed Conflict on College Students
Given the spike of homicides in conflict zones of Colombia after the 2016 peace agreement, I study the causal effect of violence on college test scores. Using a difference-in-difference design with heterogeneous effects, I show how this increase in violence had a negative effect on college… more →
School District Borrowing and Capital Spending: The Effectiveness of State Credit Enhancement
School districts in the United States often borrow on the municipal bond market to pay for capital projects. Districts serving economically disadvantaged communities tend to receive lower credit ratings and pay higher interest rates. To remedy this problem, 24 states have established credit… more →
Heterogeneous Effects of Violence on Student Achievement
In this paper, I study the causal relationship between violence and human capital accumulation. Due to a power vacuum left in conflict zones of Colombia after the 2016 peace agreement, large spikes in violence were reported in the municipalities of the country dominated by the rebel group FARC.… more →
The Effects of Student-Teacher Ethnoracial Matching on Exclusionary Discipline for Asian American, Black, and Latinx Students: Evidence From New York City
Although Black and Latinx students disproportionately face exclusionary school discipline, prior research finds that the likelihood of suspension for Black students decreases when they are taught by greater proportions of Black teachers. Little prior work, however, has examined whether these… more →
For‐Profit Colleges in the United States: Insights from Two Decades of Research
In this paper, I review the economics literature on for-profit college education in the United States, assessing what we know about institutional behavior and student outcomes after two decades of research. The many studies reviewed here reveal some consistent patterns. It is clear that for… more →
Student Learning in Online College Programs
We draw on administrative data from the country of Colombia to assess differences in student learning in online and traditional on-campus college programs. The Colombian context is uniquely suited to study this topic, as students take an exit examination at the end of their studies. We can… more →
Advanced Placement and Initial College Enrollment: Evidence from an Experiment
To evaluate how Advanced Placement courses affect college-going, we randomly assigned the offer of enrollment into an AP science course to over 1,800 students in 23 schools that had not previously offered the course. We find no substantial AP course effects on students’ plans to enroll in… more →