1. Christopher, M. (2016). Logistics & Supply Chain Management (5th ed.). Pearson. In Chapter 8, "Global Sourcing and Logistics," the text identifies the "search for lower costs" as a major driver of the trend towards global sourcing and offshoring, particularly citing lower labor and manufacturing costs (pp. 215-217).
2. Aron, R., & Singh, J. V. (2005). Getting Offshoring Right. Harvard Business Review, 83(12), 135–143. The article explicitly states, "The 'why' of offshoring is usually simple: to lower costs or tap a pool of skilled labor unavailable at home." It emphasizes that cost reduction is the most common and initial driver for companies considering offshoring.
3. Farrell, D. (2005). Offshoring: Value Creation Through Economic Change. Journal of Management Studies, 42(3), 675-683. This article discusses the economic rationale behind offshoring, highlighting that companies are motivated by the potential to capture value through wage differentials and other cost-related efficiencies between countries. (DOI: https://doi.org/10.1111/j.1467-6486.2005.00513.x)