Visit Helen Ladd's biography page. See Helen Ladd's CALDER publications.
Books
Articles and Book Chapters
Policy Briefs and Reviews
Unpublished Working Papers
Reports
APPAM Presentations
Publications that utilize longitudinal data appear on a shaded background.
Ladd, Helen F. (1996). Holding Schools Accountable: Performance-Based Reform in Education (editor, author of introduction and coauthor of two chapters). Washington, DC: Brookings Institution.
Bifulco, Robert, and Ladd, Helen. (Forthcoming). School Choice, Racial Segregation and Test-Score Gaps: Evidence from North Carolina’s Charter School Program. Journal of Policy Analysis and Management.
Clotfelter, Charles, Glennie, Elizabeth, Ladd, Helen, and Vigdor, Jacob. (2008). Teacher Bonuses and Teacher Retention in Low Performing Schools: Evidence from the North Carolina $1,800 Teacher Bonus Program. Public Finance Quarterly, 36(1), 63-87.
Ladd, Helen. (2007). Holding Schools Accountable Revisited. Association for Public Policy Analysis and Management.
Clotfelter, Charles, Ladd, Helen, and Vigdor, Jacob. (2006, Fall). Teacher-Student Matching and the Assessment of Teacher Effectiveness. Journal of Human Resources, 41(4), 778-820. Also available at NBER: http://www.nber.org/papers/w11936.
Bifulco, Robert, and Ladd, Helen. (2006, Winter). The Impact of Charter Schools on Student Achievement: Evidence from North Carolina. American Education Finance Association, 1(1), 50-90.
Clotfelter, Charles, Ladd, Helen, and Vigdor, Jacob. (2005). Who Teaches Whom? Race and the Distribution of Novice Teachers. Economics of Education Review, 24, 377-392.
Clotfelter, Charles, Ladd, Helen, and Vigdor, Jacob. (2004). Do School Accountability Systems Make It More Difficult for Low Performing Schools to Attract and Retain High Quality Teachers? Journal of Policy Analysis and Management, 23(2), 251-271.
Clotfelter, Charles, Ladd, Helen, and Vigdor, Jacob. (2003, May). Segregation and Resegregation in North Carolina’s Public School Classrooms. North Carolina Law Review, 81(4).
Ladd, Helen, and Zelli, Arnold. (2002, October). School-Based Accountability in North Carolina: The Responses of School Principals. Education Administration Quarterly.
Ladd, Helen, and Walsh, Randall. (2002, February). Implementing Value-Added Measures of School Effectiveness: Getting the Incentives Right. Economics of Education Review, 21 (1), 1-17.
Ladd, Helen F. (2001, January). School-Based Education Accountability Systems: The Promise and Pitfalls. National Tax Journal, 54 (2), 385-400.
Ladd, Helen F. (1999). The Dallas School Accountability and Incentive Program: An Evaluation of Its Impacts on Student Outcomes. Economics of Education Review.
Clotfelter, Charles, and Ladd, Helen. (1996). Recognizing and Rewarding Success in Public Schools. In Helen F. Ladd (Ed.), Holding Schools Accountable: Performance-Based Reform in Education. Washington, DC: The Brookings Institution.
Ferguson, Ronald, and Ladd, Helen. (1996). Additional Evidence on How and Why Money Matters: A Production Function Analysis of Alabama Schools. In Helen F. Ladd (Ed.), Holding Schools Accountable: Performance-Based Reform in Education. Washington, DC: The Brookings Institution.
Ladd, Helen F. (2004). Policy Brief on Accountability in North Carolina. In Education Finance and Organization Structure in New York State Schools, Symposium Proceedings, 2004 (pp. 161-176). Education Finance Research Consortium.
Clotfelter, Charles, Glennie, Elizabeth, Ladd, Helen, and Vigdor, Jacob. Would Higher Salaries Keep Teachers in High-Poverty Schools? Evidence from a Policy Intervention in North Carolina. (NBER WP #12285.2006)
Clotfelter, Charles, Ladd, Helen, and Vigdor, Jacob. The Academic Achievement Gap in Grades 3 to 8. (NBER WP #12207.2006)
Clotfelter, Charles, Ladd, Helen, and Vigdor, Jacob. (2004). Teacher Quality and Minority Achievement Gaps. Paper based on final report to the Spencer Foundation. Available as a Sanford Institute Working Paper.
Clotfelter, Charles, Ladd, Helen, Vigdor, Jacob, and Wheeler, Justin. (2006, December). High-Poverty Schools and the Distribution of Teachers and Principals. Available as a Sanford Institute Working Paper.
Clotfelter, Charles, Glennie, Elizabeth, Ladd, Helen, and Vigdor, Jacob. The North Carolina Math/Science/Special Education (MSSE) $1,800 Teacher Bonus Program: An Initial Evaluation. Final report to the North Carolina Department of Public Instruction.
Publications that utilize longitudinal data appear on a shaded background.
Ladd, Helen, Clotfelter, Charles, and Vigdor, Jacob. (2007).Teacher Credentials and High School Achievement in North Carolina. Presented at APPAM Fall Research Conference, November 8-10, in Washington D.C.
Clotfelter, Charles, Ladd, Helen, and Vigdor, Jacob. (2007).Teacher Mobility - Enemy of Equity? Presented at APPAM Fall Research Conference, November 8-10, in Washington D.C.
Clotfelter, Charles, Ladd, Helen, and Vigdor, Jacob (2006). Absent Teachers and Their Effect On Achievement Gaps. Presented at APPAM Fall Research Conference, November 2-4, in Madison, Wisconsin.
Ladd, Helen. (2006). Equality vs. Adequacy of School Funding: Values, Evidence and Implications for Policy. Presented at APPAM Fall Research Conference, November 2-4, in Madison, Wisconsin.
Bifulco, Robert and Ladd, Helen. (2006). Can School Choice Promote Racial Integration? Presented at APPAM Fall Research Conference, November 2-4, in Madison, Wisconsin.
Ladd, Helen, and Bifulco, Robert. (2005). Race and Charter Schools: Evidence from North Carolina. Presented at APPAM Fall Research Conference, November 3-5, in Washington D.C.
Ladd, Helen, Clotfelter, Charles, Vigdor, Jacob, and Glennie, Elizabeth. (2005). Teacher Bonuses and Teacher Retention in Low Performing Schools. Presented at APPAM Fall Research Conference, November 3-5, in Washington D.C.
Ladd, Helen and Fiske, Edward. (2004). Balancing Public and Private Resources for Basic Education: School Fees in Post-Apartheid South Africa. Presented at APPAM Fall Research Conference, October 28-30, in Atlanta, GA.
Bifulco, Robert and Ladd, Helen. (2004).Can Institutional Changes Stimulate Participation? The Effect of Charter Schools on Parental Involvement Presented at APPAM Fall Research Conference, October 28-30, in Atlanta, GA.
Clotfelter,Charles, Ladd, Helen, and Vigdor, Jacob. (2004).Teacher Career Paths and the Persistence of the Racial Achievement Gap. Presented at APPAM Fall Research Conference, October 28-30, in Atlanta, GA.
Clotfelter,Charles, Ladd, Helen, and Vigdor, Jacob. (2004).The Legacy of Brown and the Specter of 'Resegregation.' Presented at APPAM Fall Research Conference, October 28-30, in Atlanta, GA.
Clotfelter,Charles, Ladd, Helen, and Vigdor, Jacob. (2003). Teacher Career Paths and the Distribution of Good Teachers. Presented at APPAM Fall Research Conference, November 6-8, in Washington D.C.
Bifulco, Robert and Ladd, Helen. (2003).Charter School Impacts on Student Performance: Evidence from North Carolina. Presented at APPAM Fall Research Conference, November 6-8, in Washington D.C.
Clotfelter,Charles, Ladd, Helen, and Vigdor, Jacob. (2002). Segregation, Resegregation, and Within-School Racial Contact: The Case of North Carolina. Presented at APPAM Fall Research Conference, November 7-9, in Dallas, Texas.
Clotfelter,Charles, Ladd, Helen, and Vigdor, Jacob Vigdor (2002). Do School Accountability Systems Affect the Distribution of Teachers? Presented at APPAM Fall Research Conference, November 7-9, in Dallas, Texas.
Ladd, Helen and Zelli, Arnaldo. (2000). Educational Accountability in North Carolina: Responses of School Principals. Presented at APPAM Fall Research Conference, November 2-4, in Seattle, WA.
Ludwig, Jens, Ladd, Helen, and Duncan, Greg. (2000).Concentrated Poverty and Educational Outcomes: Evidence from a Randomized Housing-Mobility Experiment. Presented at APPAM Fall Research Conference, November 2-4, in Seattle, WA.
Ladd, Helen and Fiske, Edward. (1999). Self-Governing Schools, Parental Choice, and Market Competition: Lessons from New Zealand's 10-year Experience. Presented at APPAM Fall Research Conference, November 4-6, in Washington D.C.
Duncan, Greg, Hanratty, Maria, Ladd, Helen, Ludwig, Jens, McLanahan, Sara and Pettit, Becky. (1999). Title: The Effects of Concentrated Poverty on Educational Opportunities and Outcomes: Evidence from a Randomized Experiment. Presented at APPAM Fall Research Conference, November 4-6, in Washington D.C.
Ludwig, Jens, Ladd, Helen, and Duncan, Greg. (1998). Concentrated Poverty and Educational Outcomes: Evidence from a Randomized Housing-Mobility Experiment Presented at APPAM Fall Research Conference, October 29-31, in New York, New York.
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