A production management theory which dictates that volume is controlled by a series of constraints related to work center capacity, component availability, finance, etc. Total throughput cannot exceed the capacity of the smallest constraint, and any inventory buffers or excess capacity at non-related work center is waste.

Top Online Marketplaces in Africa: A Complete Guide 2026
Table of Contents Introduction Africa’s digital commerce sector is entering a defining phase. By 2026, the continent’s online marketplaces are not only competing for consumers but also shaping logistics, payments, and digital trust. With smartphone penetration surpassing 50% and rapid improvements in digital infrastructure, platforms like Jumia, Takealot, Konga, Kilimall,