声明
摘要
Abstract
Chapter one Introduction
1.1 Research Background
1.2 Purpose and Significance
1.3 Overall Structure
Chapter two Literature Review
2.1 Background of language and economics
2.2 Main Theories Concerned
2.2.1 Language as Human Capital
2.2.2 Language as Public Goods
2.2.3 Network Externality of Language
2.2.4 Q Value Theory
Chapter Three Language Effects on Working Adults
3.1 Present Situation of Multilingual Speakers
3.2 Research Study on the adult trainees
3.2.1 Economic value of language on individuals
3.2.2 Problems of the Individual Investment
3.3 Suggestions for Individuals
Chapter Four Language Effects on Training Institutions
4.1 Present Situation of Language Training Industry
4.2 Case Study of Language Training Institution
4.2.1 Economic Value of language on Training Institutions
4.2.2 Problems of the Institutions Development
4.2.3 Causes of the Problems
4.3 Suggestions for the Language Training Institutions
Chapter Five Conclusion
5.1 Major Findings
5.2 Research Limitations
5.3 Suggestions for Future Research
Acknowledgements
Bibliography
Appendix Questionnaires