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https://doi.org/10.3386/w23707

has been cited by the following article:

• TITLE: A System of Simultaneous Equations (SEM) for the Study of the Effectiveness of the Japanese Monetary Policy

  AUTHORS: Rosa Ferrentino, Luca Vota

  KEYWORDS: Simultaneous Equations Model, Mathematical Methods, Economic Policy, Iteratively, Reweighted Least Square, Abenomics

  JOURNAL NAME: Applied Mathematics, Vol.12 No.5, May 26, 2021

  ABSTRACT: In this paper, the authors study the effectiveness of the Japanese monetary policy set by the Bank of Japan (BOJ) to contrast the three major crises that the country has experienced since the second half of the 90s: that of the lost decade, that of 2008 and that of the Covid-19 pandemic. To this end, they use a particular type of mathematical-statistical model that is widely applied today in the economic field, namely a simultaneous equation model (SEM). This simultaneous equation model is estimated through an Iteratively reweighted least squares (IRLS) using quarterly historical series in the sample period Q1 1994 - Q2 2020. All data are in real terms. The results, appropriately compared with those of other authors, suggest that the monetary policy has a (limited) impact only on the interbank market. The fiscal policy, instead, has a greater ability to influence the money supply, the private consumption and the inflation expectations.