What Does Genesis 47:16 Mean?

And Joseph answered, "Give your livestock, and I will give you food in exchange for your livestock, if your money is gone." The livestock exchange is Joseph's administrative solution to the silver depletion: exchange your animals for grain. The "if your money is gone" establishes the condition: he is not requiring livestock instead of silver arbitrarily; he is offering the exchange as the solution to the specific problem that money is unavailable. The administrative adaptation is responsive to the population's reported situation: silver gone, livestock available, grain needed: exchange livestock for grain.

The livestock exchange is an ancient Near Eastern economic practice when currency is unavailable: commodity barter. Livestock (cattle, horses, donkeys, flocks) had recognized economic value and could be assessed and exchanged for grain at administered rates. Joseph's acceptance of livestock for grain is not arbitrary confiscation but the next step in the exchange economy when the previous medium of exchange (silver) has been exhausted. The population retains access to grain; Pharaoh receives the livestock; the administrative system continues to function.

The livestock exchange will result in Pharaoh receiving all the livestock of Egypt (verse 17): a massive transfer of productive assets to the crown. From a governance perspective, the consolidation of livestock under Pharaoh's administration is a significant centralization of agricultural productive capacity. From the population's perspective, they have traded their animals for food. The exchange is mutually agreed (they asked for food; he offered the exchange; they accepted in verse 17) and practically necessary (the alternative was death). The economics are austere but not inexplicable in the context of a multi-year subsistence crisis.