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Item type:Publication, Evolution of monetary policy in Peru: an empirical application using a mixture innovation TVP-VAR-SV model(Oxford University Press, 2021-12-15)This article discusses the evolution of monetary policy (MP) in Peru in 1996Q1–2019Q4 using a mixture innovation time-varying parameter vector autoregressive (VAR) model with stochastic volatility (TVP-VAR-SV) as proposed by Koop, Leon-Gonzales and Strachan. The main empirical results are: (i) the VAR coefficients and volatilities change more gradually than the contemporaneous coefficients over time; (ii) the volatility of MP shocks was higher under the pre-Inflation Targeting (IT) regime; (iii) a surprise increase in the interest rate produces gross domestic product (GDP) growth falls and reduces inflation in the long run; (iv) the interest rate reacts more quickly to aggregate supply shocks than to aggregate demand shocks; (v) MP shocks explain a high percentage of domestic variables behavior under the pre-IT regime but their contribution decreases under the IT regime. Overall, these results show that MP has contributed in Peru to lower macroeconomic volatility by (i) reducing average long-term inflation, (ii) increasing the response of GDP growth rate to interest rate, and (iii) by becoming more predictable. (JEL codes: C11, C32, and E52). - Some of the metrics are blocked by yourconsent settings
Item type:Publication, Impact of monetary policy shocks in the Peruvian economy over time(Elsevier B.V., 2024-12-01)We investigate the evolution of the impact of monetary policy (MP) shocks in Peru in 1996Q1-2018Q2 using a set of time-varying parameter VAR models with stochastic volatility (TVP-VAR-SV), as proposed by Chan and Eisenstat (2018). The main results are: (i) the volatility of MP shocks falls during the Inflation Targeting (IT) regime; (ii) a contractionary MP shock decreases both GDP growth and inflation within a five quarters time span; (iii) the interest rate reacts faster to aggregate supply shocks than to both aggregate demand shocks and exchange rate shocks; (iv) under the pre-IT regime, MP shocks explain 20%, 10%, and 85% of the uncertainty in GDP growth, inflation, and the interest rate, respectively; and under the IT regime, all these percentages shrink to 1%–2%. The sensitivity analysis confirms the robustness of the main results. In general, the results show that MP has contributed to diminishing macroeconomic volatility in Peru. - Some of the metrics are blocked by yourconsent settings
Item type:Publication, Impacts and evolution of monetary policy shocks on macroeconomic fluctuations in Peru using regime-switching VAR models(Elsevier BV, 2026-08-01)This paper applies regime-switching VAR models with time-varying parameters and variances to analyze the impact and evolution of monetary policy shocks and their contribution to GDP growth, inflation, and the interest rate in Peru over 1994Q3–2019Q4. The approach offers an alternative and complementary perspective to Pérez Rojo and Rodrıguez (2024). The main findings are: (i) the best-fitting models incorporate regime-switching volatility; (ii) two distinct regimes emerge, coinciding with the adoption of inflation targeting (IT); (iii) the volatility of GDP growth and inflation began to decline in the early 1990s, while interest rate volatility fell sharply after IT implementation; and (iv) prior to IT, monetary policy shocks explained 15%, 30%, and 90% of the long-term forecast error variance decomposition of inflation, GDP growth, and the interest rate, respectively, but their contribution became negligible thereafter. Overall, the results are robust across alternative specifications, underscoring the stabilizing role of IT in Peru’s monetary policy framework.