In the spring of 1930, he visited the United States and gave a lecture about the situation in world economics at the Industrial Club of Chicago with the title "The transfer problem and its importance to the United States".
1930年の春にクルーガーは米国を訪れシカゴ産業クラブ（Industrial Club of Chicago）で「（"The transfer problem and its importance to the United States"）」という表題の世界の経済情勢に関する講演を行った。