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Este estudo explora a hipótese de que o crescimento económico, medido como a taxa de crescimento do Produto Interno Bruto (PIB) de um país, está associado a uma redução do desemprego. Esta relação foi originalmente proposta por Okun (1962), que introduziu três abordagens alternativas de estimativa que mais tarde ficaram conhecidas coletivamente como a Lei de Okun. A análise é realizada utilizando a primeira destas abordagens e dados anuais relativos ao Peru, de 1970 a 2023. Tendo em conta os elevados níveis de subemprego e de informalidade laboral no Peru, o estudo alarga o quadro tradicional, incorporando o conceito de «desemprego alargado», definido como a soma do desem prego e do subemprego. Para ter em conta potenciais não-linearidades e dinâmicas de- pendentes do regime, é utilizado um modelo Autorregressivo Vetorial com Mudança de Markov (MS-VAR), no qual as mudanças de regime são estocásticas e determinadas por um estado latente não observável. O processo probabilístico que rege as transições de regime é estimado a partir dos dados por meio de probabilidades de transição estimadas. Além do crescimento da produção, o modelo incorpora a produtividade, o investimento e a despesa pública como variáveis explicativas. Os resultados indicam que o crescimento do PIB tem um efeito mais forte na redução do desemprego alargado do que no desem prego, sugerindo que o crescimento económico facilita a transição do subemprego para o emprego adequado. Além disso, verifica-se que a sensibilidade do desemprego às flutuações da produção é maior durante as recessões do que durante as expansões, o que implica que as contrações da produção destroem postos de trabalho de forma mais intensa do que as expansões da produção os criam.

Carlos Enrique Samanamud Valderrama, Universidad de Lima

Head of the Customs and Taxation Institute, SUNAT. Master in Public Finance. Professor and researcher at the Scientific Research Institute (IDIC) of the University of Lima, Peru

Luis Gonzalo Martinez Matsuda, Universidad de Lima

Bachelor of Economics. Professional practitioner at the Economic, Financial and Social Observatory of the University of Lima.

Daniela Nicole Marcelo Delgado, Universidad de Lima

Faculty of Business and Economic Sciences, University of Lima, Peru.

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