can someone explain me why in some books the Demand and marginal revenue moves and but in other books is the marginal cost that moves. Is this like taxing the demand vs taxing the supply? so the economic incidence is the same?. Thank you.
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Sources http://www2.econ.iastate.edu/classes/econ101/choi/ch13monD.htm http://www2.econ.iastate.edu/classes/econ101/choi/ch13monD.htm