Before revision: In 1992, Edward Glaeser, Hedi Kallal, José Scheinkman, and Andrei Shleifer pulled together the Marshall-Arrow-Romer views on knowledge spillovers and accordingly named the view MAR spillover in 1992.Glaeser et al., "Growth in Cities", Journal of Political Economy, 1992 Vol.
After revision: In 1992, Edward Glaeser, Hedi Kallal, José Scheinkman, and Andrei Shleifer pulled together the Marshall–Arrow–Romer views on knowledge spillovers and accordingly named the view MAR spillover in 1992.Glaeser et al., "Growth in Cities", Journal of Political Economy, 1992 Vol.