The electoral system represents geographical constituencies, but the represents economic, professional, ideological, religious, racial, gender, and issue constituencies.

The answer to this question is interest-group system
interest-group system will pay attention to things that could influence political climate by forming a certain groups that fight for a specific cause.
For example,  let's say that Mr. X owned an insurance company. Mr. X could formed interest groups in order to influence the representatives that advocate for free welfare for all because this situation will lead to Mr.X's company getting more project from the government.