Title: Chapter 5 International factor movements

Author: Roy J. Ruffin

Producter:  Handbook of International Economics
Volume 1, 1984, Pages 237-288

Title: Tax competition with interregional differences in factor endowments

Author: John Douglas Wilson

Producter: Regional Science and Urban Economics
Volume 21, Issue 3, November 1991, Pages 423-451

非常感谢！