The International Group for Policy and Program Evaluation (INTEVAL) serves as a forum for scholars and practitioners of public policy to discuss ideas and developments as a community dedicated to enhancing the contribution of evaluation to government. From the group’s studies has emerged a concern with the impact of public management reforms. Collaboration in Public Services examines collaboration in the delivery of public policies and identifies the challenges for policy and program evaluation.Written by a mix of academics, program managers, evaluators, and auditors, this volume explores the forms and challenges of collaboration in different national contexts. Chapter 1 introduces the notion and manifestations of collaboration and discusses emerging issues. Chapter 2 examines partnerships and networks of public service delivery. Chapter 3, drawing on Dutch and British data, reveals the QUANGO as both a collaborative end and means. Chapter 4 analyzes Israel’s push to enhance collaboration with voluntary organizations. Chapter 5 examines the Canadian and Danish experiences.Chapter 6 suggests that the creation of markets to improve quality has not been totally successful at least in Nordic countries. Chapter 7 suggests that traditional service values such as trust and parliamentary accountability are challenged by the complexity of collaboration, but, using illustrations from Canada and other OECD countries, argues that results-based governance can increase trust, flexibility, and empowerment. Chapter 8 demonstrates from Dutch and Canadian experiences that auditor responses to collaborative delivery tend to overlook traditional roles as guardians of accountability on behalf of parliaments. Chapter 9 deliberates the efficacy of programs involving multiple partners. Chapter 10 discusses the lessons and challenges of evaluation and collaborative government.