what does "justify " mean here

Question

Many of the studies in this field justify their investigations in the name of risk management (Frijns et al., 2010; Martens & Zein, 2004). However, the earlier literature concentrated on volatility forecasting rather than on its risk management applications.

Answer 1

می پذیرند. 

بسیاری از مطالعات در این حوزه تحقیقات را بعنوان مدیریت ریسک می پذیرند.

Answer 2

قابل پذیریش/معقولانه/توجیه/موجه می‌کنند