Shen left his job as a plumber when his wife took a position in another region. The quantity of plumbing services demanded is considerably lower in the new region, in part because of high, union-negotiated wages. He would like to work at the high union wage but remains unemployed due to a lack of plumbing jobs. Why?

Two of the many forms of intellectual property right are :
1) copyright laws - this  may refer to creative works in the field of literary and arts .
 2) patent - includes inventions, which can be a product, a process or a solution to a problem. 

The reason why intellectual property rights provide incentives for innovators in order for them to put value in their works and to encourage people to think highly of research and development. Also, this rights, people will be aware that ideas can be protected; that it can be shared but it cannot be legally taken from them.