"Polak, Jacques J."@en . "2010Z"^^ . . "Jacques Polak"@en . . "Dutch economist" . . "1914-04-25Z"^^ . . "1914Z"^^ . . "Jacques Jacobus Polak (25 April 1914 \u2013 26 February 2010) was a Dutch economist. He received his doctorate in economics in 1937 from the University of Amsterdam. His first professional work was with Professor Jan Tinbergen. In 1937 he began his international service as an economist with the League of Nations."@en . . "2010-02-26Z"^^ . .