Influence de la distance technologique sur le coefficient de la Loi d'Okun

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Boussemart, Jean-Phillippe and Briec, Walter and Perman, Roger and Tavera, Christophe (2020) Influence de la distance technologique sur le coefficient de la Loi d'Okun. Revue Internationale des Economistes de Langue française, 5 (1). pp. 78-99. ISSN 2727-0831

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Abstract

The magnitude of short run variations in unemployment induced by output shocks is influenced, inter alia, by a variety of supply-side characteristics of the economy in question. This paper argues that one important element of those characteristics is a country’s ‘distance ’ from the technological frontier. Using both, a panel interaction model and a panel threshold model, we show that the value of the coefficient linking short run variations in unemployment to output changes (often known as the Okun’s Law Coefficient) is influenced by the technological distance of a country to the world efficiency frontier. Specifically, the larger the distance to the frontier, the larger the impact of real GDP movements on unemployment rate variations. Moreover, the magnitude of this impact is both considerable and exhibits wide variation between countries; decomposition of the total derivatives of unemployment with respect to GDP shows that the technology-induced share of this derivative is around 20% for Norway and Denmark countries (close to the frontier) and around 40% for Greece (which has the largest technological gap). Traditional growth enhancing demand side policies should thus go in hand with adequate supply side policies in order to stabilise or reduce the unemployment rate in technologically advanced countries.

ORCID iDs

Boussemart, Jean-Phillippe, Briec, Walter, Perman, Roger ORCID logoORCID: https://orcid.org/0000-0002-6862-7462 and Tavera, Christophe;
CORE (COnnecting REpositories)