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THE IMPACT OF IMPORTS ON TOTAL FACTOR PRODUCTIVITY IN NIGERIA

Topic Description

TABLE OF CONTENTS
DECLARATION …………………………………………………………………………………………………………….. i
APPROVAL ………………………………………………………………………………………………………………….. ii
DEDICATION ………………………………………………………………………………………………………………. iii
ACKNOWLEDGEMENT ………………………………………………………………………………………………. iv
TABLE OF CONTENTS …………………………………………………………………………………………………. v
LIST OF TABLES ………………………………………………………………………………………………………… vii
LIST OF FIGURES ……………………………………………………………………………………………………… viii
ABSTRACT ………………………………………………………………………………………………………………….. ix
CHAPTER ONE
INTRODUCTION
1.1 BACKGROUND OF THE STUDY ………………………………………………………………………………… 1
1.2 STATEMENT OF PROBLEM ……………………………………………………………………………………….. 4
1.3 RESEARCH QUESTIONS…………………………………………………………………………………………….. 6
1.4 RESEARCH OBJECTIVES ………………………………………………………………………………………….. 6
1.5 RESEARCH HYPOTHESES ………………………………………………………………………………………… 7
1.6 JUSTIFICATION OF THE STUDY ………………………………………………………………………………. 7
1.7 SCOPE OF THE STUDY ………………………………………………………………………………………………. 7
CHAPTER TWO
LITERATURE REVIEW
2.1 THEORETICAL LITERATURE………………………………………………………………………………………….. 8
2.2 CONCEPTUAL ISSUES ……………………………………………………………………………………………….. 13
2.2.1 Imports ……………………………………………………………………………………………………………………… 13
2.2.2 The Concept of Total Factor Topicivity (TFP) …………………………………………………………… 14
2.3 EMPIRICAL LITERATURE ………………………………………………………………………………………… 14
2.4 SUMMARY OF LITERATURE REVIEW ………………………………………………………………………….. 19
2.5 LIMITATION OF PREVIOUS STUDIES ………………………………………………………………………. 21
CHAPTER THREE
AN OVERVIEW OF TRADE POLICY AND PRODUCTIVITY TRENDS IN NIGERIA
3.1 AN OVERVIEW OF TRADE POLICIES IN NIGERIA …………………………………………………… 22
3.2 PRODUCTIVITY TRENDS IN NIGERIA ……………………………………………………………………… 23
CHAPTER FOUR
METHODOLOGY
4.1 ANALYTICAL FRAMEWORK …………………………………………………………………………………… 27
4.2 MODEL SPECIFICATION ………………………………………………………………………………………….. 28
4.3 MODEL EVALUATION …………………………………………………………………………………………….. 30
4.3.1 Breusch-Godfrey (B-G) Autocorrelation Test ………………………………………………………….. 31
4.3.2 Breusch-Pagan (Bp) Heteroscedasticity Test ……………………………………………………………. 31
4.4 ESTIMATION PROCEDURE ……………………………………………………………………………………… 32
4.4.1 Unit Root Test ……………………………………………………………………………………………………… 32
4.4.2 Granger Causality Test ………………………………………………………………………………………….. 33
4.4.3 Cointegration: A bounds testing (ARDL) approach ………………………………………………….. 34
vi
4.5 MODEL JUSTIFICATION ………………………………………………………………………………………….. 37
4.6 DATA ……………………………………………………………………………………………………………………….. 37
CHAPTER FIVE
PRESENTATION AND ANALYSIS OF RESULTS
5.1 UNIT ROOT TESTING ……………………………………………………………………………………………….. 38
5.2 TOTAL FACTOR PRODUCTIVITY ESTIMATION ……………………………………………………… 39
5.2.1 Diagnostics of the Estimated Topicion Function ………………………………………………………. 40
5.2.2 Extraction of the TFP and Analysis ……………………………………………………………………………. 41
5.3 GRANGER CAUSALITY TEST …………………………………………………………………………………… 43
5.4 MODEL ESTIMATION – DRIVERS OF TOTAL FACTOR PRODUCTIVITY ………………… 44
5.5 COINTEGRATION (BOUNDS TESTING) …………………………………………………………………… 47
CHAPTER SIX
SUMMARY, RECOMMENDATIONS AND CONCLUSION
6.1 SUMMARY ……………………………………………………………………………………………………………….. 52
6.2 RECOMMENDATIONS ………………………………………………………………………………………………. 53
6.3 CONCLUSION ……………………………………………………………………………………………………………. 54
REFERENCES
APPENDIX

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