In Paleolithic times peoples only focus was survival.They were constantly on the lookout for food. Their schedules were always full.
In Neolithic times people could focus on things other than the two jobs which took place in the paleolithic times: hunting and gathering. Even though they had specific jobs they still helped one another when they needed to get something done faster. They had job specialization and were good at their professions.
With more free time the perfected there professions and started to trade goods.They learned to make more advanced clothes and tools and had specific people do precise jobs.