But if he's surrounded with good advisers and like-minded people around him, them it would help the country achieve the best results like you've mentioned earlier, a good leader would always be ready to listen to the people in his area of command and ensure that he leads by example, that's especially is one of the qualities of good leadership.
Countries where the leadership is poor and the government is bad, always find it difficult to grow, no offense to parts of Africa and Asia with bad leadership, we've seen how they suffer Inflations and economic crisis, due to poor leadership skills and bad government, however when their government start doing the right thing and put the affairs of the citizens first then they'll improve economically.