 Marshall's EconomiesNo 7358, NBER Working Papers from National Bureau of Economic Research, Inc Abstract: This paper estimates the nature and magnitude of the local externalities from own industry scale, as envisioned by Marshall. Census panel data on individual plants in high-tech and machinery industries across up to 487 countries are utilized, to quantify the direct effects of local external environment on plant productivity. Careful attention is paid to endogeneity issues in estimation. Magnitudes of scale externalities for corporate versus single plant firms are estimated and the sources of externalities (employment, numbers of plants, numbers of births, etc.) and extent (within the county versus extending to the rest of the MSA) are investigated. The paper asks in addition whether externalities are static or dynamic, a key issue in thinking about urban growth and industrial mobility; and whether they are dependent just on local own industry activity or also on overall local urban scale and/or diversity, a key issue in analyzing industrial composition and development of cities. The paper relates the findings on externalities for different industries to the extent of agglomeration and the degree of mobility of those industries across cities. JEL-codes: O30 R00 (search for similar items in EconPapers) Downloads: (external link) Related works: Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text Persistent link: https://EconPapers.repec.org/RePEc:nbr:nberwo:7358 Ordering information: This working paper can be ordered from Access Statistics for this paper More papers in NBER Working Papers from National Bureau of Economic Research, Inc National Bureau of Economic Research, 1050 Massachusetts Avenue Cambridge, MA 02138, U.S.A.. Contact information at EDIRC. |
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