What effect did the Erie Canal have on New York City

Imagine you are driving down the highway and reading a sign that states save the planet don't litter which technique of policy enactment is being used

Values, conventions, clothing, and behaviors are part of a group's:

Mankiw attributes – chapter 1 and his 10 principles – differences in living standards within a countryover time and across countries at a moment in time to: a. the presence or absence of inflation and unemployment.b. the allocation of resources between private markets and the public sector.c. those that have dealt successfully with the efficiency v. equality tradeoff and those that haven’t.d. differences in productivity.e. ones that think at the margin and respond to incentives and those that don’t.