UHERO

Tim Halliday

What Happens After Job Training? Preliminary Wage and Employment Insights from Good Jobs Hawai‘i

What Happens After Job Training? Preliminary Wage and Employment Insights from Good Jobs Hawai‘i

July 7, 2025

By Rachel Inafuku and Tim Halliday Hawai‘i’s workforce has long faced a persistent challenge: high living costs combined with a concentration of low-wage, low-skill employment.…

Publication: Vog: Using Volcanic Eruptions to Estimate the Impact of Air Pollution on Student Test Scores

Publication: Vog: Using Volcanic Eruptions to Estimate the Impact of Air Pollution on Student Test Scores

June 25, 2025

We pair variation stemming from volcanic eruptions with the census of Hawaii’s public schools’ student test scores to estimate the impact of PM2.5 and SOM2…

Which College Majors Pay the Most in Hawaiʻi and the US?

Which College Majors Pay the Most in Hawaiʻi and the US?

August 22, 2024

By Rachel Inafuku and Tim Halliday Despite recent discussions in the popular press, a college degree is well worth its investment. In a recent UHERO…

Male-biased sex ratios, marriage, and household composition in early twentieth-century Hawai‘i

Male-biased sex ratios, marriage, and household composition in early twentieth-century Hawai‘i

January 31, 2024

Abstract: Immigration to Hawai‘i between 1870 and 1930 led to a more than six-fold increase in population and high and rapidly varying sex ratios in…

New publication by Timothy Halliday and Sumner La Croix in the Asia-Pacific Economic History Review

New publication by Timothy Halliday and Sumner La Croix in the Asia-Pacific Economic History Review

January 31, 2024

In a new publication in the Asia-Pacific Economic History Review, Timothy Halliday and Sumner La Croix examine how male-partisan ethnic sex ratios affected choices of…

Estimating the Returns to Higher Education Using Administrative Data: A Case Study of the University of Hawai`i System

Estimating the Returns to Higher Education Using Administrative Data: A Case Study of the University of Hawai`i System

January 16, 2024

What is the value of a degree from the University of Hawai`i (UH)? While college tuition has significantly increasednationally, tuition within the UH system has…

Why College Is Worth the Investment: Estimating the Returns to a College Degree from the University of Hawai`i system

Why College Is Worth the Investment: Estimating the Returns to a College Degree from the University of Hawai`i system

January 16, 2024

By Tim Halliday and Rachel Inafuku Read the full report. Across the nation, the cost of higher education has significantly increased over the past 20…

The intergenerational transmission of mental and physical health in the United Kingdom

The intergenerational transmission of mental and physical health in the United Kingdom

October 13, 2023

Abstract: As health is increasingly recognized as a key component of human welfare, a new line of research on intergenerational mobility has emerged that focuses on broad…

Replacing Medicaid with an Imperfect Substitute: Implications for Health Inequality

Replacing Medicaid with an Imperfect Substitute: Implications for Health Inequality

August 16, 2023

Abstract: A 2015 policy change substantially increased the administrative burden involved in accessing health insurance for Pacific Islander immigrants in Hawaii. We examine the heterogeneous…