The document provides an introduction to comparative administrative law and discusses several models of public administration systems:
1) The British model is characterized by the prominent role of the Prime Minister and cabinet, as well as non-ministerial departments and agencies established by acts of parliament.
2) The American model has a strong presidential system with wide executive powers and independent regulatory agencies established by Congress.
3) The German model is based on the principles of the chancellor, departments, and collegial government, with dual leadership structures in ministries.
It also briefly outlines the French and Scandinavian models of public administration.