| Issue Date | Title | Author(s) |
| 2018 | Beyond privatisation and cost savings: alternatives for local government reform | Bel i Queralt, Germà, 1963-; Hebdon, Robert; Warner, Mildred E. |
| 2016 | Factors explaining inter-municipal cooperation in service delivery: a meta-regression analysis | Bel i Queralt, Germà, 1963-; Warner, Mildred E. |
| 2015 | Factors Explaining Inter-municipal Cooperation in Service Delivery: A Meta-Regression Analysis [WP] | Bel i Queralt, Germà, 1963-; Warner, Mildred E. |
| 2014 | High-speed rail accessibility: a comparative analysis of urban access in Los Angeles, San Francisco, Madrid, and Barcelona | Zhong, Chuyuan; Bel i Queralt, Germà, 1963-; Warner, Mildred E. |
| Mar-2015 | Inter-municipal cooperation and costs: Expectations and evidence | Bel i Queralt, Germà, 1963-; Warner, Mildred E. |
| 2009 | Is Private Production of Public Services Cheaper than Public Production? A meta-regression analysis of solid waste and water services | Bel i Queralt, Germà, 1963-; Fageda, Xavier, 1975-; Warner, Mildred E. |
| Apr-2020 | It depends on what you share: the elusive cost savings from service sharing | Aldag, Austin M.; Warner, Mildred E.; Bel i Queralt, Germà, 1963- |
| 1-Sep-2014 | Mixed and Hybrid Models of Public Service Delivery | Bel i Queralt, Germà, 1963-; Brown, Trevor L.; Warner, Mildred E. |
| 1-Jul-2021 | Re-municipalization of public services: trend or hype? | Clifton, Judith; Warner, Mildred E.; Gradus, Raymond; Bel i Queralt, Germà, 1963- |
