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Item type:Publication, Inflation, oil price volatility and monetary policy(Elsevier, 2020-12-01)In a fully micro-founded New Keynesian framework, we characterize an analytical relationship between average inflation and oil price volatility by solving the rational expectations equilibrium of the model up to second order of accuracy. The model shows that higher oil price volatility induces higher levels of average inflation. We also show that when oil has low substitutability in the production function, the higher the weight the central bank assigns to inflation in the policy rule, the lower the level of average inflation is. The analytical solution further indicates that, for a given level of oil price volatility, average inflation is higher when marginal costs are convex in oil prices, the Phillips Curve is convex, and the degree of relative price dispersion is higher. The evolution of inflation during the 70s and 80s is consistent with the prediction of the model. - Some of the metrics are blocked by yourconsent settings
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, Evolution of the exchange rate pass-through into prices in Peru: An empirical application using TVP-VAR-SV models(Elsevier Ltd, 2024-04-01)This study examines the evolution of exchange rate pass-through (ERPT) into import, producer, and consumer prices in Peru from 1995Q2 to 2022Q4 using time-varying parameter and stochastic volatility VAR models. Findings reveal a resurgence of ERPTs into import and producer prices since 2009, particularly during the period of a strong US dollar following the 2013 taper tantrum and from 2020 to 2022. Increased uncertainty surrounding the exchange rate and future macroeconomic policies, triggered by the political uncertainty following the 2021 general elections, may have contributed to this trend. Short-term ERPT exceeds long-term ERPT, which might reflect prevalent price dollarization in Peru's import and producer prices. Consumer ERPT remained stable at around 10% until 2009, then increased to 15%, indicating lower levels of price dollarization. This paper sheds light on ERPT dynamics in Peru, carrying implications for policymakers in emerging economies. - Some of the metrics are blocked by yourconsent settings
Item type:Publication, Time-Varying Effects of External Shocks on Macroeconomic Fluctuations in Peru: An Empirical Application Using TVP-VAR-SV Models(Springer Science+Business Media, 2023-11-24)This study uses a family of VAR models with time-varying parameters and stochastic volatility (TVP-VAR-SV) to analyze the impact of external shocks on output growth and inflation in Peru in 1992Q1-2017Q1. The statistical relevance of the models is assess... - Some of the metrics are blocked by yourconsent settings
Item type:Publication, Effects of External Shocks on Macroeconomic Fluctuations in Pacific Alliance Countries(Elsevier B.V., 2023-07-01)Given Pacific Alliance (PA) countries’ dependence on the external sector amidst volatile global financial conditions and increased trade openness, it is important to understand the time-varying impact of external shocks on these economies to assess their resilience. We use data for 1994Q1-2019Q4 and VAR models with time-varying parameters and stochastic volatility to study the heterogeneity of responses to financial, real, and nominal external shocks. The results suggest that external shocks have played a significant role in domestic cycles (50% on average), but their impact became temporarily larger during the global low-interest-rate period; i.e., the impact of export price and Fed rate shocks on GDP increased the most, peaking in 2002–2011, whereas the effect of shocks originating in China, although the largest, remained stable. In addition, a more predictable and countercyclical monetary policy in response to commodity price shocks diminished the transmission of external shocks, thereby increasing PA economies’ external resilience. - Some of the metrics are blocked by yourconsent settings
Item type:Publication, Does the Central Bank of Peru Respond to Exchange Rate Movements? A Bayesian Estimation of a New Keynesian DSGE Model with FX Interventions(Elsevier Inc., 2023-09-01)This paper assesses the role played by the exchange rate and FX intervention in setting monetary policy interest rates in Peru. We estimate a Taylor rule that includes inflation, output gap and the exchange rate using a New Keynesian DSGE model that follows closely Schmitt-Grohé and Uribe (2017). The model is extended to include an explicit sterilized FX intervention rule as in Faltermeier, Lama, and Medina (2017). The main empirical results show that the model that features a Taylor rule which does not respond to changes in the nominal exchange rate and considers an active use of FX interventions by the Central Bank of Peru clearly outperforms other model specifications in terms of the marginal log density. We also find that the coefficient associated with the response of the Taylor rule to inflation is close to 2 and the one associated with the output gap is greater than 1. Additionally, we find that FX interventions have become more responsive to exchange rate fluctuations during the IT period. Finally, the estimated IRFs show that FX interventions has contributed to reducing the volatility of GDP in response to productivity and terms of trade shocks in Peru. - Some of the metrics are blocked by yourconsent settings
Item type:Publication, Time-varying transmission of external shocks in Peru: Reassessing the role of monetary policy(Elsevier BV, 2025-11-01)This paper analyzes how the transmission of external shocks to inflation, output, and interest rates in Peru has evolved over the past two decades. Although the literature has emphasized the relevance of terms-of-trade and global financial shocks for emerging markets, limited attention has been paid to how these transmission mechanisms change over time. Using quarterly data from 1998 to 2019, the analysis employs a time-varying parameter VAR model with stochastic volatility and mixture innovations to identify changes in three key blocks: autoregressive coefficients, shock variances, and contemporaneous responses. The results indicate a marked decline in the volatility of monetary policy shocks following the adoption of inflation targeting in 2002, along with a shift in inflation's sensitivity to external shocks—weakening in response to the international interest rate and strengthening in response to Chinese output growth. These patterns reflect improvements in monetary policy credibility and shifts in trade exposure. Robustness exercises confirm the stability of the main findings across alternative specifications.5