in the past decade, parliaments have shown increasing activism in the budget process by demanding more information about the government's performance in managing public resources. nevertheless, in latin america and the caribbean (lac), parliaments face important challenges, taking an effective part in the budget process and in fiscal policy management. their capacity to influence budgetary matters and more generally fiscal policy and public financial management is hindered not only by the centralized nature of the budget process, but also by the lack of technical and institutional capacity of parliaments themselves to exercise their budgetary powers. this policy brief argues that the creation of parliamentary budget offices (pbos) can help strengthen their effectiveness and accountability in budget processes. several countries in the region have created or are considering creating this type of mechanism. these offices can help strengthen the parliament as a competent and constructiv...