The Economy of Cities

activities added addition agriculture already American Angeles animals became become began begin bicycles bought build called capital cause centers century city's cloth continued course craft created customers decline Detroit divisions of labor early economy effect efficient enterprises equipment established Europe example existing expanding export fact factory farming financing future grain growing growth happens hunting imports increased industry initial interests Italy kinds later locally logic London machines manufacturing materials means medieval ment merchants multiplier numbers Obsidian older once organizations plant population ports practical probably problems production rapidly reason relatively replacing rural seeds seems serv settlements shifted stagnation started successful suppliers supply sure things tion towns trade turn United various villages wastes whole wild workers York young