Text ( visual ) : unmediated Blue-collar blues : is trade to blame for rising US income inequality? / Robert Z. Lawrence. -- Washington, D.C. : Peterson Institute for International Economics , 2008. -- xiii, 89 p. : ill. ; 23 cm. -- (Policy analyses in international economics ; 85). -- Includes bibliographical references (p. 79-83) and index. -- ISBN 9780881324143 ; (BA84897435) ; https://ci.nii.ac.jp/ncid/BA84897435 Author Heading(s): Lawrence, Robert Z.. -- Classification(s): LCC : HC110.I5 ; DC22 : 339.2/20973. -- Subject Heading(s): LCSH : Income distribution -- United States ; LCSH : Wages -- United States ; LCSH : United States -- Commerce ; LCSH : International trade