In 1922, the Kuznets family emigrated to the United States. Kuznets then studied at Columbia University under the guidance of Wesley Clair Mitchell. He graduated with a B.S. in 1923, M.A. in 1924, and Ph.D. in 1926. As his magister thesis, he defended the essay "Economic system of Dr. Schumpeter, presented and analyzed", written in Kharkiv. From 1925 to 1926, Kuznets spent time studying economic patterns in prices as the Research Fellow at the Social Science Research Council. It was this work that led to his book "Secular Movements in Production and Prices", defended as a doctoral thesis and published in 1930.