The Effect of Rising Import Competition on Market Power: A Panel Data Study of US Manufacturing
利用美国制造业面板数据，研究进口竞争加剧如何影响企业的市场势力，发现进口竞争显著降低了市场势力。
Michelle M. Katics, Bruce C. Petersen, The Effect of Rising Import Competition on Market Power: A Panel Data Study of US Manufacturing, The Journal of Industrial Economics, Vol. 42, No. 3 (Sep., 1994), pp. 277-286