Habibov, N., & Auchynnikava, A. Not all informal payments are bad: Instrumental variable investigation of the effect of sand-the-wheels, cultural norm, and grease-the-wheels types of payments on life satisfaction. Elsevier.
Chicago Style (17th ed.) CitationHabibov, Nazim, and Alena Auchynnikava. Not All Informal Payments Are Bad: Instrumental Variable Investigation of the Effect of Sand-the-wheels, Cultural Norm, and Grease-the-wheels Types of Payments on Life Satisfaction. Elsevier.
MLA (9th ed.) CitationHabibov, Nazim, and Alena Auchynnikava. Not All Informal Payments Are Bad: Instrumental Variable Investigation of the Effect of Sand-the-wheels, Cultural Norm, and Grease-the-wheels Types of Payments on Life Satisfaction. Elsevier.
Warning: These citations may not always be 100% accurate.