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	Location Quotient	Shift-Share Analysis	Social Accounting Matrix
Odbor	Ekonómia	Ekonómia	Ekonómia
Rodina	Process / pipeline	Process / pipeline	Process / pipeline
Rok vzniku	1960	1960	1962
Tvorca	Developed in regional science; codified by Walter Isard	Edgar S. Dunn (Daniel Creamer credited with early use)	Richard Stone; popularized by Graham Pyatt & Jeffery Round
Typ	Descriptive index of relative regional concentration	Descriptive decomposition of regional growth	Comprehensive, square, double-entry accounting framework
Pôvodný zdroj	Isard, W. (1960). Methods of Regional Analysis: An Introduction to Regional Science. Cambridge, MA: MIT Press. ISBN: 9780262090032	Dunn, E. S. (1960). A statistical and analytical technique for regional analysis. Papers of the Regional Science Association, 6(1), 97–112.	Pyatt, G., & Round, J. I. (Eds.). (1985). Social Accounting Matrices: A Basis for Planning. Washington, DC: The World Bank. ISBN: 9780821305508
Ďalšie názvy	LQ, Coefficient of Localization, Regional Specialization Ratio	Shift-Share Decomposition, SSA, Esteban-Marquillas Shift-Share, Regional Shift-Share	SAM, Social Accounting Framework, SAM Multiplier Model
Príbuzné	3	3	3
Zhrnutie	The location quotient (LQ) is a simple descriptive index that measures how concentrated an industry is in a region relative to a larger reference area, usually the nation. It is the ratio of the industry's share of local employment (or output) to its share of national employment. An LQ above one means the region is more specialized in that industry than the nation as a whole; an LQ below one means it is under-represented.	Shift-share analysis is a descriptive technique that decomposes the change in a regional variable — most often sectoral employment — into three additive components: the part attributable to overall national growth, the part attributable to the region's industry mix, and the part attributable to the region's own competitive performance. Formalized by Edgar Dunn in 1960, it answers whether a region grew because the national economy grew, because it specializes in fast-growing industries, or because its industries outperformed (or underperformed) their national counterparts.	A social accounting matrix (SAM) is a square, double-entry table that records all transactions among the production sectors, factors of production, institutions (households, firms, government), and the rest of the world in an economy for a given year. It extends the input-output table by closing the circular flow of income — connecting how value added becomes factor income, factor income becomes household income, and household income becomes demand — so that every account's receipts (its row) exactly equal its expenditures (its column).