2021 Nobel Prize winner list has economic prize honor to Canadian David Card, American Joshua D. Angrist and Guido W. Imbens. The reason for Royal Society of Swiss Social Academy to their contribution in labor economy, immigration occupation and their income, and education root-cause theory of how it affect post-university income. If minimum wage does not affect the unemployment rate, then immigration select to return to labor market that increase the income by continuous work and learn. What is cause of less hiring in labor market, what is the reason that immigration could select more diversely based on their skill level from original country, and David Card uses his systematic theories to consolidate his finding. He also has all his empirical contribution to labor economic. As I have been a observing of labor market, I start realize that not easy to find a fit job if you are not receive education in Canada, especially if you are an immigration from other country. However, policy...