there be an in depth study of instruments as they are before and after crisis and to evaluate the important instruments and their relevance in a future crisis situation
there should be an in-depth study of capital instruments as they are before and after the crisis, in order to evaluate the importance of specific capital instruments and their relevance in a future crisis situation;
there be an in-depth study of instruments as they are before and after crisis, in to evaluate the importance instruments and their relevance in a future crisis situation;