2[1]Huizinga H. International Market Integration and Union Wage Bargaining [J]. Scandinavian Journal of Economics, 1993,(95):249~255.
3[2]Young A. Learning by doing and the dynamic effects of international trade[J]. Quarterly Journal of Economics,2001,(56):369~405.
4[3]Devereux, M., Lockwood B. Trade unions, non-binding wage agreements and capital accumulation[J]. European Economic Review 2001,(35):1411~1426.
5[4]Freeman R.B., Oostendorp R.H. Wages around the world:Pay across occupations and countries[J]. NBER Working Paper, 2000, 8085.
6[1]John M Keller.Motivation in Cyber Learning En-vironments[DB/OL].http://snowblue.sookmyung.ac.kr/cyber.doc.
7[3]Malone T W,Lepper M R. Making learning fun: A taxonomy of intrinsic motivations for learning[J].learning and instruction, 1987,(3).
8[4]Raymond J,Wlodkowski.The Time Continuum Model[DB/OL].http://www. alt.ben.edu/faculty/cstein/motivation/tsld006.htm
9[5]Maehr,Martin,Fyans Jr.School Culture, Motivation, and Achievement[J].In Advances in Motivation and Achievement,1989,(6).
10[8]Sang H Song, John M Keller. Effectiveness of Motivationally Adaptive Computer-Assisted Instruction on the Dynamic Aspects of Motivation[DB/OL].http://www.aect.org/pdf/etr&d/4902/4902-01.pdf