Key points are not available for this paper at this time.
I. Gratification over advances of others: the tunnel effect introduced, 545. — II. Some evidence, 548. — III. Consequences for integration and revolution, 550. — IV. From gratification to indignation, 552. — V. The tunnel effect: social, historical, cultural, and institutional determinants of its strength, 553. — VI. An alternative reaction: apprehension over advances of others, 559. — VII. Concluding remarks, 560. — Mathematical appendix, 562.
Hirschman et al. (1973) studied this question.