Profit maximization is the reason. If cheaper inputs can be obtained or a more efficient conversion into outputs is discovered, profits increase and production expands.

but, there is no reason to advance or specialize unless one expects people to demand what you will produce.

Scoresby

Technological advancement and specialization from trade.

More stuff being consumed isn't the same as more demand. Hold a demand curve fixed and slide the supply curve to the right.

econ

Minimalism is Pro-Social

Undisciplined

Technological advancement and specialization from trade.

More stuff being consumed isn't the same as more demand. Hold a demand curve fixed and slide the supply curve to the right.