1 Subjects: “...United States...”

2 Subjects: “...United States...”

3 Subjects: “...state...”

4 Subjects: “...Energy and state...”

5 Subjects: “...stability states...”

6 Subjects: “...rentier state...”

7 Subjects: “...state-owned enterprises...”

8 Subjects: “...state-owned firms...”

9 Subjects: “...recurrent states...”

10 Subjects: “...augmented state Kalman filtering (ASKF)...”

11 Subjects: “...fuzzy stationary state...”

12 Subjects: “...state estimation...”

13 Subjects: “...private and state institutions...”

14 Subjects: “...Driving-Pressure-State-Impact-Response (DPSIR) model...”

15 Subjects: “...driving forces-pressure-state-impact-policy and pattern (DPSIP)...”

16 Subjects: “...stated choice experiment...”

17 Subjects: “...United States...”