Rule of force-No rules and people simply take what they want
First come-first served-When shoppers arrive when the store opens so they can buy all the goods on a sale at low prices
Gov't rules-the gov't decides who receives what and when
Markets- compete for more customer and higher profit,workers to compete for better jobs and larger incomes.
The closest source of marble for Rome was in the Apuan Alps 350 km north of Rome. In fact it was the Romans who started exploiting marble there.
