Although in the direct effect institution has a negative effect on economic growth, in the overalleffect institution has a positive effect on economic growth.
尽管在直接效应中，制度因素对经济增长起反向作用，但在总效应中，制度对经济增长起正向作用。
2
It will play a vital role in improving the overalleffect of oil development, and it will have important guiding and economic significance in enhancing the oilfield development level.