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008			150903s2010 gw | o |||| 0|eng d
020			_a9783642029462 _99783642029462
024	7		_a10.1007/9783642029462 _2doi
035			_avtls000353481
039		9	_a201509030506 _bVLOAD _c201405060321 _dVLOAD _y201402180946 _zstaff
040			_aMX-SnUAN _bspa _cMX-SnUAN _erda
050		4	_aHG1-9999
100	1		_aSaichev, Alex. _eautor _9337190
245	1	0	_aTheory of Zipf's Law and Beyond / _cby Alex Saichev, Yannick Malevergne, Didier Sornette.
264		1	_aBerlin, Heidelberg : _bSpringer Berlin Heidelberg, _c2010.
300			_axii, 171 páginas 44 ilustraciones _brecurso en línea.
336			_atexto _btxt _2rdacontent
337			_acomputadora _bc _2rdamedia
338			_arecurso en línea _bcr _2rdacarrier
347			_aarchivo de texto _bPDF _2rda
490	0		_aLecture Notes in Economics and Mathematical Systems, _x0075-8442 ; _v632
500			_aSpringer eBooks
505	0		_aContinuous Gibrat’s Law and Gabaix’s Derivation of Zipf’s Law -- Flow of Firm Creation -- Useful Properties of Realizations of the Geometric Brownian Motion -- Exit or “Death” of Firms -- Deviations from Gibrat’s Law and Implications for Generalized Zipf’s Laws -- Firm’s Sudden Deaths -- Non-stationary Mean Birth Rate -- Properties of the Realization Dependent Distribution of Firm Sizes -- Future Directions and Conclusions.
520			_aZipf's law is one of the few quantitative reproducible regularities found in economics. It states that, for most countries, the size distributions of city sizes and of firms are power laws with a specific exponent: the number of cities and of firms with sizes greater than S is inversely proportional to S. Zipf's law also holds in many other scientific fields. Most explanations start with Gibrat's law of proportional growth (also known as "preferential attachment'' in the application to network growth) but need to incorporate additional constraints and ingredients introducing deviations from it. This book presents a general theoretical derivation of Zipf's law, providing a synthesis and extension of previous approaches. The general theory is presented in the language of firm dynamics for the sake of convenience but applies to many other systems. It takes into account (i) time-varying firm creation, (ii) firm's exit resulting from both a lack of sufficient capital and sudden external shocks, (iii) the coupling between firm's birth rate and the growth of the value of the population of firms. The robustness of Zipf's law is understood from the approximate validity of a general balance condition. A classification of the mechanisms responsible for deviations from Zipf's law is also offered.
590			_aPara consulta fuera de la UANL se requiere clave de acceso remoto.
700	1		_aMalevergne, Yannick. _eautor _9326989
700	1		_aSornette, Didier. _eautor _9326990
710	2		_aSpringerLink (Servicio en línea) _9299170
776	0	8	_iEdición impresa: _z9783642029455
856	4	0	_uhttp://remoto.dgb.uanl.mx/login?url=http://dx.doi.org/10.1007/978-3-642-02946-2 _zConectar a Springer E-Books (Para consulta externa se requiere previa autentificación en Biblioteca Digital UANL)
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