<P> A trade association, also known as an industry trade group, business association, sector association or industry body, is an organization founded and funded by businesses that operate in a specific industry . An industry trade association participates in public relations activities such as advertising, education, political donations, lobbying and publishing, but its focus is collaboration between companies . Associations may offer other services, such as producing conferences, networking or charitable events or offering classes or educational materials . Many associations are non-profit organizations governed by bylaws and directed by officers who are also members . </P> <P> In countries with a social market economy, the role of trade associations is often taken by employers' organizations, which also take a role in social dialogue . </P>

What is trade association what are the need for trade association
find me the text answering this question