可达集合R

先行集合Q

交集 $A=R\cap Q$

国家基本养老保险政策调整

1, 3, 4, 5, 6, 7, 9, 10, 11

1, 12

1

养老保险制度设计

2

2

2

政策调整与改革

3, 4, 7, 9, 10, 11

1, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12

3, 4, 7, 9, 10, 11

中央调剂金制度

3, 4, 7, 9, 10, 11

1, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12

3, 4, 7, 9, 10, 11

区域不平衡

3, 4, 5, 6, 7, 9, 10, 11

1, 5, 12

5

监管体制

3, 4, 6, 7, 9, 10, 11

1, 5, 6, 12

6

养老保险基金运营

3, 4, 7, 9, 10, 11

1, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12

3, 4, 7, 9, 10, 11

经济发展程度

3, 4, 7, 8, 9, 10, 11

8

8

养老保险险结余程度

3, 4, 7, 9, 10, 11

1, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12

3, 4, 7, 9, 10, 11

各区发展水平

3, 4, 7, 9, 10, 11

1, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12

3, 4, 7, 9, 10, 11

养老保险完善程度

3, 4, 7, 9, 10, 11

1, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12

3, 4, 7, 9, 10, 11

老龄人口占比

1, 3, 4, 5, 6, 7, 9, 10, 11, 12

12

12