Quotes from Kees van Kersbergen

Welfare states come in different shapes and sizes; they are constructed on diverging conceptions of social rights and duties; some stress equality and solidarity, others freedom; and the range of policy objectives is vast and widely dissimilar.

intentional policy drift assumes knowledge of policy failure and implies that "policy makers fail to update policies due to pressure from intense minority interests or political actors exploiting veto points in the political process