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1. Verfasser:	Dulce Albarrán Macías
Format:	Artículo científico
Sprache:	es
Veröffentlicht:	Universidad Nacional Autónoma de México 2022
Schlagworte:	Economía y Finanzas México sincronización Estados Unidos Ciclos económicos correlación dinámica
Online-Zugang:	https://www.redalyc.org/articulo.oa?id=60175437002 https://www.redalyc.org/journal/601/60175437002/ https://www.redalyc.org/journal/601/60175437002/html/ https://www.redalyc.org/journal/601/60175437002/60175437002.epub https://www.redalyc.org/journal/601/60175437002/movil
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Sincronización de los ciclos económicos de México y Estados Unidos: Un enfoque de correlación dinámica Dulce Albarrán Macías Pablo Mejía Reyes Francisco López Herrera Economía y Finanzas México sincronización Estados Unidos Ciclos económicos correlación dinámica El objetivo de este documento es analizar la sincronización de los ciclos económicos de México y Estados Unidos durante el periodo 1981-2017 mediante la estimación de un coeficiente de correlación condicional dinámica que permite tener una estimación para cada periodo de tiempo. Los resultados, obtenidos a partir de distintos indicadores de producción y métodos de eliminación de tendencia, muestran un aumento desde la apertura de la economía mexicana a mediados de la década de 1980, especialmente durante las recesiones de 2001-2002 y 2008-2009 y también una serie de descensos aislados, explicados por diferencias en los ritmos de crecimiento de ambas economías, y una declinación sostenida en la fase pos-Gran Recesión que se explica principalmente por reducciones en el comercio exterior. 2022 artículo científico 0185-1667 https://www.redalyc.org/articulo.oa?id=60175437002 https://www.redalyc.org/journal/601/60175437002/ https://www.redalyc.org/journal/601/60175437002/html/ https://www.redalyc.org/journal/601/60175437002/60175437002.epub https://www.redalyc.org/journal/601/60175437002/movil 10.22201/fe.01851667p.2022.319.77444 es http://www.redalyc.org/revista.oa?id=601 Investigación Económica application/pdf Universidad Nacional Autónoma de México Investigación Económica (México) Num.319 Vol.LXXXI

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// Anecdotal testing Today and Yesterday seems to indicate destroy() // is called by the garbage collector and everything is good. // Something to keep in mind though. return 0; } /** * Write function that is called when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ public function write($sessId, $data): bool { if ($this->writesDisabled) { return true; } return $this->saveSession($sessId, $data); } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ abstract protected function saveSession($sessId, $data): bool; }

* * @return void */ public function writeClose() { // The assumption is that we're using PHP's ext/session. // session_write_close() will actually overwrite $_SESSION with an // empty array on completion -- which leads to a mismatch between what // is in the storage object and $_SESSION. To get around this, we // temporarily reset $_SESSION to an array, and then re-link it to // the storage object. // // Additionally, while you _can_ write to $_SESSION following a // session_write_close() operation, no changes made to it will be // flushed to the session handler. As such, we now mark the storage // object isImmutable. $storage = $this->getStorage(); if (! $storage->isImmutable()) { $_SESSION = $storage->toArray(true); session_write_close(); $storage->fromArray($_SESSION); $storage->markImmutable(); } } /** * Attempt to set the session name * * If the session has already been started, or if the name provided fails * validation, an exception will be raised. * * @param string $name * @return SessionManager * @throws Exception\InvalidArgumentException */ public function setName($name) { if ($this->sessionExists()) { throw new Exception\InvalidArgumentException( 'Cannot set session name after a session has already started'

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