How to Use "inefficacy" with Example Sentences

1. Causes of inefficacy of surgical treatment of severe humeral intercondylar fracture .
2. Unstable money velocity must induce the inefficacy of money aggregate being used as intermediate target ?
3. Once the reason of oblique tight organization inefficacy accident of wedge cla mp is analysed .
4. Teachers ; job burnout ; emotional exhaustion ; personal accomplishment ; inefficacy ; .
5. By analyzing the economic behavior of political agents using the incentive theory in economics , we can find out the reasons for the inefficacy of external incentives .