Executive ability 12 Executive power -- 12 Management 9 Leadership 8 Politics and government 8 Government executives -- 5 Politics and government -- 5 more ... Management -- 4 Civil service -- 3 Executives 3 Executives -- 3 Leadership -- 3 Presidents -- 3 Psychological aspects 3 Cabinet officers -- 2 Cabinet system -- 2 Case studies 2 Chief executive officers -- 2 Economic conditions 2 Executive ability -- 2 Executive departments -- 2 Executive succession -- 2 Foreign relations -- 2 History -- 2 History. -- 2 Industrial management 2 Organizational change -- 2 Public administration -- 2 Social conditions 2 Training of -- 2 less ...