Economics is the study of what?

the production, distribution, and consumption of goods and services

the supply and demand of products in capitalism

the change from the barter system to the money system

the difference between capitalist, communist, and socialist states

The correct answer would be the first option, "the production, distribution, and consumption of goods and services."

Ifound this on google “the existence of agglomeration economies is central to the explanation of how cities increase in size and population, which places the phenomenon on a larger scale. the concentration of economic activity in cities is one reason for their development and growth.” i hope this you for what your looking for.