How would you structure the following sentence so that it is more clearly written and easily understood?
Input: It is believed that increased trade between countries helps to reduce poverty but some economists worry that it can harm economies.
Some economists believe that increased trade between countries can help reduce poverty, but others are worried that it can have a negative effect on economies.
It is believed that increased trade between countries can help to reduce poverty, but some economists are concerned that it may have a negative effect on economies.