A business park in Santa Barbara County, California that may generate MAR spillover Marshall–Arrow–Romer (MAR) spillover has its origins in 1890, where the English economist Alfred Marshall developed a theory of knowledge spillovers. Knowledge spillovers later were extended by economists Kenneth Arrow (1962) and Paul Romer (1986). 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. 100, No. 6
A business park in Santa Barbara County, California that may generate MAR spillover Marshall–Arrow–Romer (MAR) spillover has its origins in 1890, where the English economist Alfred Marshall developed a theory of knowledge spillovers. Knowledge spillovers later were extended by economists Kenneth Arrow (1962) and Paul Romer (1986). 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. 100, No. 6
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Marshall-Arrow-Romer
Marshall–Arrow–Romer