A UCLA Luskin Welcome Departments of Public Policy, Social Welfare, Urban Planning welcome six new faculty members

By Stan Paul

Six new members of the UCLA Luskin School of Public Affairs faculty were warmly welcomed at a reception held Oct. 18 and hosted by their new Luskin departments of Public Policy, Social Welfare and Urban Planning. Interim Dean Lois Takahashi and the three department chairs were also on hand to welcome the new teachers and researchers.

This year, the School’s three departments strengthened their faculty teaching and research rosters with the additions of Darin Christensen and Zachary C. Steinert-Threlkeld (Public Policy), Leyla Karimli and Laura Wray-Lake (Social Welfare), and Michael Manville and Kian Goh (Urban Planning).

In Public Policy, Darin Christensen will be teaching three classes at Luskin this year. “The students are great, really engaged,” said Christensen, who recently received his Stanford Ph.D. in political science. Christensen said he will be showing his Master of Public Policy (MPP) students how to bring evidence to bear on policy decisions, teaching them tools for wrangling and exploring data, as well as statistical methods that generate credible claims about “what policies work.” In another course offered this quarter, he is discussing how political institutions and public policies affect why some countries are rich and peaceful while others with persistent poverty and instability.

Also joining the Public Policy department this year is Zachary C. Steinert-Threlkeld, who will begin teaching this winter quarter on topics including social networks and protest. “I study protest,” said Steinert-Threlkeld, who completed his Ph.D. in political science this year at UC San Diego. “Wherever there is a protest in the world, I go to Twitter and see what people say. Are they expressing political grievances because they’re mad about the economy?”

Steinert-Threlkeld, who studies social media as it relates to subnational conflict, teaches analysis of “big data.” “If anyone wants to learn with Twitter data,” he said, “they can reach out to me. I would love to be working with motivated students or faculty.”

In Social Welfare, Laura Wray-Lake, who comes to UCLA from the University of Rochester, will be teaching two classes in winter: research methods with children and youth, and development and resilience for the Master of Social Work (MSW) students. “I was really excited about the interdisciplinary environment” at Luskin, she said, explaining that her area of research is civic engagement. “I’m really interested in how to get young people interested in politics and the communities, and solving social issues.”

Leyla Karimli brings an international focus to Social Welfare on topics including child welfare, education and child labor. With more than a decade of international research and practice, her work has taken her to a number of countries in Africa as well as Colombia, the Philippines, Tajikistan and Krgyzstan. She will be teaching on program evaluation and topics including a multidisciplinary analysis of poverty and social exclusion, one of her main research interests.

Returning to UCLA, assistant professor Michael Manville said he is currently teaching courses on transportation and the environment and another on shared mobility. Manville, who earned his master’s and Ph.D. degrees in Urban Planning at Luskin, most recently was an assistant professor at Cornell University in the Department of City and Regional Planning. Manville said the rest of the year he will be teaching transportation, land use and public finance, primarily for the Urban Planning Department’s master’s students.

Urban Planner Kian Goh plans to teach a winter quarter seminar titled “Urban Futures,” with a focus on space, ecology and society. In the spring, she will teach a studio course on site planning and a qualitative methods course.

“This year I am continuing my research broadly on the politics of urban climate change adaptation and research on the L.A. region,” said Goh, who comes to Luskin from Northeastern University. “It’s inevitable, not just because I am here but because it so interesting. I think the L.A. region is an example of urban form.”

Goh has focused her research on cities from New York to Jakarta.

“It is really helpful to look at other cities,” she said. “I think of the challenges we face here and all of the opportunities. We’ve learned a lot from other regions.”

Michael Manville

Michael Manville is Professor of Urban Planning at the UCLA Luskin School of Public Affairs. His research areas are transportation, land use, and housing, and the interrelationships between those. He has particular interests in road and parking pricing; the determinants of driving and transit use; and the influence of land use regulations on the supply and price of housing.

Dr. Manville’s research has been published in journals of planning, economics, urban studies, and sociology. He has received research funding from University Transportation Centers, from the John Randolph Haynes Foundation, and the TransitCenter, among others. He has consulted for developers, environmental groups, local governments, and the United Nations.

Dr. Manville has an MA and PhD in Urban Planning, both from UCLA Luskin. Prior to joining Luskin as a faculty member, he was Assistant Professor of City and Regional Planning at Cornell University.

Selected Publications

Manville, Michael, Mott Smith and Shane Phillips. 2025. The Consequences of Measure ULA: Some Clarifications. UCLA Lewis Center for Regional Policy Studies. August.

Manville, Michael and Mott Smith. 2025.  The Unintended Consequences of Measure ULA. UCLA Lewis Center for Regional Policy Studies. April.

Manville, Michael, Hannah King, Juan Matute and Theodore Lau. 2024. Neighborhood Change and Transit Ridership. Journal of Transport Geography. 121.

Manville, Michael. 2024. Induced Travel Estimation Revisited.  Report to the Southern California Association of Governments.

Monkkonen, Paavo, Michael Manville and Michael Lens. 2024. Built out Cities? A new approach to Measuring Land Use Regulation. Journal of Housing Economics. 63.

Manville, Michael, Paavo Monkkonen, Nolan Gray and Shane Phillips. 2024. Does Discretion Delay Development? Journal of the American Planning Association. 89(3): 336-347.

Manville, Michael, Paavo Monkkonen, Michael Lens and Richard Green. 2022. Renter Nonpayment and Landlord Response: Evidence from COVID-19Housing Policy Debate. 33:6, 1333-13.

Manville, Michael, Gregory Pierce and Bryan Graveline. Guardrails on Priced Lanes: Protecting Equity While PromotingEfficiency. Transportation Research Interdisciplinary Perspectives.

Manville, Michael, Brian Taylor, Evelyn Blumenberg, and Andrew Schouten. 2022. Vehicle Access and Falling TransitRidership: Evidence from Southern California. Transportation. 50, 303–329.

Manville, Michael and Miriam Pinski. 2021. The Causes and Consequences of Curb ParkingManagement. Transportation Research Part A. 152 (October): 295-307.

Manville, Michael.  2021. Liberals andHousing: A Study in Ambivalence. Housing Policy Debate. 33:4, 844-864.

Manville, Michael and Paavo Monkkonen. 2021. Unwanted Housing: Localism and the Politics of Development. Journal of Planning Education and Research. 44(2):685-700.

Gabbe, CJ, Michael Manville and Taner Osman. 2021. The Opportunity Cost of Parking Requirements. Journal of Transport and Land Use. 14(1):277-301

Manville, Michael. 2020. Roads, Pricesand Shortages: A Gasoline Parable. UCLA Institute of Transportation Studies Explanatory Essay. October 1.

Manville, Michael, Paavo Monkkonen, and Michael Lens. 2020. It’s Time to End Single Family Zoning. Journal of the American Planning Association. 86 (1); 106-112.

Manville, Michael. 2021. Value Capture Reconsidered. UCLA Lewis Center for Regional Policy Studies. June 17.

King, David, Michael Smart and Michael Manville. 2019. The Poverty of the Carless: Toward Universal Auto Access. Journal of Planning Education and Research. 42(3):464-481.

Manville, Michael and Emily Goldman. 2017.  Would Congestion Pricing Harm the Poor? Do Free Roads Help the Poor? Journal of Planning Education and Research.

Manville, Michael and Taner Osman. 2017. Motivations for Growth Revolts: Discretion and Pretext. City and Community. 16(1):66-85.

Manville, Michael. 2017. Travel and the Built Environment: Time for Change. Journal of the American Planning Association. 83(1): 29-32.

Manville, Michael. 2017. Bundled Parking and Vehicle Ownership: Evidence from the American Housing Survey. Journal of Transport and Land Use. 10(1): 27–55

UCLA Luskin Adds Six New ‘Outstanding’ Faculty Public Policy, Social Welfare and Urban Planning announce the appointment of two new scholars in each department

By George Foulsham

In the biggest expansion since its inception, the UCLA Luskin School of Public Affairs has announced the addition of six new faculty for the 2016-17 academic year. The new hires bring to 100 the number of professors, assistant professors, lecturers and instructors at the Luskin School.

“We are thrilled to welcome six new faculty to the UCLA Luskin family,” Interim Dean Lois M. Takahashi said. “These six outstanding scholars will bring to Luskin a wealth of expertise and knowledge that will be shared with our current — and future — students for years to come. This is a very exciting time to be a part of one of the best public affairs schools in the country. These new faculty members will help us continue the pursuit of our mission at Luskin: advancing solutions to society’s most pressing problems.”

The six new faculty members, by department:

Public Policy

Darin Christensen, a new assistant professor of Public Policy, will receive his Ph.D. in political science from Stanford University this year. His research interests, with support from the World Bank and other funders, span comparative politics, the political economy of conflict and development, foreign investment, and political accountability, with regional interest in sub-Saharan Africa, including Ghana, Kenya, and Sierra Leone. He received his bachelor’s degree in political science and German from Duke University, and his master’s degree in economics from Stanford. Christensen’s teaching focus at Luskin is expected to be comparative political institutions, the political economy of development and advanced data analysis.

Zachary C. Steinert-Threlkeld, a new assistant professor of Public Policy, will receive his Ph.D. in political science from UC San Diego this year. He also has a master’s degree in political science from UC San Diego and a bachelor’s degree in anthropology and economics from Washington University in St. Louis. His research interests are in international politics; exploiting in particular vast social media data to study subnational conflict; the mobilization of mass protest such as the Arab Spring and Ukraine’s Euromaidan protests, as well as elite behavior and state repression in authoritarian regimes. At Luskin, his teaching focus will be on subnational conflict, statistics and advanced data analysis of various kinds, including the analysis of “big data.”

Social Welfare

Leyla Karimli, a new assistant professor of social welfare, received her Ph.D. in social welfare from Columbia University’s School of Social Work in 2013 and is completing postdoctoral training at New York University School of Social Work’s Institute for Poverty, Policy and Research. Dr. Karimli has 13 years of international research and practice experience focusing on poverty and social exclusion including post-masters practice experience with international development agencies in the former Soviet Union and Sub-Saharan Africa. Her research interests include a multidimensional and systems-oriented analysis of poverty and social exclusion that complements the Department of Social Welfare and Luskin School’s commitment to understanding the complex nature of social and economic inequalities and addressing the needs of vulnerable and diverse populations.

Laura Wray-Lake, a new assistant professor in social welfare, received her Ph.D. from Penn State University’s highly regarded Human Development and Family Studies program. Dr. Wray-Lake is a lifespan developmental scientist from the University of Rochester where she has been an assistant professor in the Department of Clinical and Social Sciences in Psychology. Dr. Wray-Lake utilizes a “civic engagement” framework to examine the social and income inequalities facing vulnerable children and families and how and why individuals can become re-engaged in society. Dr. Wray-Lake has a strong commitment to teaching and mentoring. Her courses on community engagement incorporate her social justice approach to teaching and as such, will support our commitment to diversity and social justice.

Urban Planning

Kian Goh, a new assistant professor of urban planning, received her Master of Architecture from Yale University and her Ph.D. in Urban and Environmental Planning from the Department of Urban Studies and Planning at MIT. She is currently an assistant professor of Urban Landscape at Northeastern University. Dr. Goh’s research investigates the relationships between urban ecological design, spatial politics, and social mobilization in the context of climate change and global urbanization. Her work has centered on sites in New York, Jakarta and Rotterdam.  She also has ongoing projects on queer space and the sociopolitics of smart cities. In addition to her scholarly work, Goh is a licensed architect and co-founder of SUPER-INTERESTING!, a multidisciplinary architecture and strategic consulting practice located in Brooklyn.

Michael Manville, a new assistant professor of urban planning, is returning to UCLA Luskin after receiving his MA and Ph.D. in urban planning from UCLA Luskin.  Dr. Manville is currently an Assistant Professor in the Department of City and Regional Planning at Cornell University. His research examines the willingness of people and communities to finance different government services, and the tendency of local governments to hide the costs of transportation in the property market. Dr. Manville is particularly interested in how land use restrictions intended to fight traffic congestion can influence the supply and price of housing.

New Report Calls for More Consistent Policies for Mobile App Transportation and Taxi Services

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WASHINGTON – Innovative transportation services such as car sharing, bike sharing, and transportation network companies (TNCs) like Uber and Lyft are changing mobility for millions of people, yet regulation of these services often varies greatly across geographic areas and industry segments.  Policymakers and regulators should formulate consistent policies that encourage competition among new and traditional transportation services — such as taxis and limousines — in order to improve mobility, safety, and sustainability, says a new report from the National Academies of Sciences, Engineering, and Medicine.

California was the first state to establish statewide regulations for transportation network companies and as such UC researchers played a large role in the report. The report was authored by a diverse group of academics and practitioners, including Brian Taylor, director of the UCLA Institute of Transportation Studies at the Luskin School of Public Affairs. Taylor served as chair of the committee. Other notable members of the committee include Michael Manville, Cornell University and Jennifer Dill, Portland State University, both of whom are alumni of the UCLA Luskin School of Public Affairs.

The availability of on-demand transportation services through smartphone apps is increasing shared mobility. The growth in these services follows and amplifies a recent rebound in taxi and public transit use. As of June 2015, Uber provided more than 1 million rides daily worldwide, while Lyft operated in 60 U.S. cities with more than 100,000 drivers.

The rapidly expanding services provided by TNCs, however, raise policy and regulatory challenges with regard to passenger and driver security, public safety, insurance requirements, employment and labor issues, and accessibility and equity. Current regulation of taxis and other for-hire transportation varies considerably across and within jurisdictions, even when the services offered are similar. Most large cities with sizeable street-hail markets extensively regulate taxis, while smaller cities where dispatch service is the norm tend to have lighter regulation. This pattern raises public policy concerns when taxi regulation is more stringent than that of TNCs. Leveling the regulatory playing field requires a reassessment of existing regulations governing taxi, limousine, and TNC services to determine the minimum necessary to ensure quality service and allow effective competition.

“Smartphone applications and GPS data are making feasible transportation services that have never before been realized on a large scale, and these services have the potential to increase mobility while reducing congestion and emissions from surface transportation if regulated wisely to encourage concurrent ride sharing,” said Taylor, who is also a professor of urban planning at the Luskin School of Public Affairs. “A key hurdle for policymakers at all levels of government is to both promote and facilitate innovations that meet the public’s mobility needs while achieving greater policy consistency among these new services and between them and traditional taxi and limousine services.”

To address public safety concerns, regulations currently focus on background checks of drivers, vehicle inspections, and minimum standards for vehicle liability insurance. Procedures for driver background checks are based on common practice but their efficacy has not been rigorously evaluated; likewise, the safety benefits of viewing shared driver ratings and operator and vehicle images on mobile apps have not yet been well-documented. Therefore, regulators at the state and federal levels should evaluate these safety requirements for their effectiveness and cost, the report says.

Regulated taxis offer critical transportation for people with disabilities in many areas, and although TNCs have introduced pilot programs to provide such services, they do not currently provide wheelchair-accessible services on an extensive or reliable basis, the report says.  About 10 percent of the U.S. population has a physical limitation; 3.6 million people use a wheelchair and another 11.6 million use a cane, crutches, or a walker. A decline in taxi fleets due to the continued rapid rise in TNCs could decrease the availability of for-hire vehicles for a substantial number of these travelers unless the quantity of TNC services for those with disabilities expands.

Further, most shared mobility services require users to have a credit card on file with the provider and arrange the trip using a smartphone. However, roughly 8 percent of U.S. households lack bank accounts that allow them to have credit cards, and 50 percent of adults earning less than $30,000 and 73 percent of adults over age 65 do not own smartphones. The committee concluded that local officials should ensure that the mobility needs of low-income, older and disabled riders are met as these new services expand and evolve.

In addition, policymakers and regulators should examine the pros and cons of alternative employment classifications of both TNC and taxi drivers. While new mobility services offer expanded opportunities for flexible, part-time employment for students or those seeking transitional income between careers, TNC drivers and most taxi drivers are classified by their companies as independent contractors, which limits their access to benefits tied to employment. This lack of benefits raises policy issues concerning employer-provided health care, workers’ compensation for injuries, and vacation and sick leave for those for whom such work is their sole source of income.

Policymakers and regulators should also consider whether traditional for-hire and shared mobility services are best monitored and regulated at the state, regional, or local level on the basis of market and service characteristics and regulatory capabilities. In addition, transportation planning bodies should develop methods for incorporating shared mobility into transportation planning initiatives and promote collaboration between public- and private-sector transportation providers.

Other UC researchers contributing to the report were Susan Shaheen of UC Berkeley and Daniel Sperling of UC Davis. Sperling is chair of the Transportation Research Board (TRB), which initiated and funded the study.

The study was sponsored by the TRB, a program of the National Academies of Sciences, Engineering, and Medicine. The Academies are private, nonprofit institutions that provide independent, objective analysis and advice to the nation to solve complex problems and inform public policy decisions related to science, technology, and medicine. They operate under an 1863 congressional charter to the National Academy of Sciences, signed by President Lincoln.  For more information, visit www.nationalacademies.org.