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Open research questions in Monetary Policy and Economic Impact

490 unresolved questions extracted from the limitations and future-work sections of 5,831 Monetary Policy and Economic Impact papers in our library. Each links back to the study that raised it.

What the literature leaves open

  • further research on the use of the IM test for finite mixtures of Gaussian random vectors, - investigation of the power properties of the test

    The information matrix test for Gaussian mixtures · 2026 · DOI

  • Classical tests for the number of components in a mixture are problematic. There is a need for a reliable test for Gaussian mixtures. The paper identifies a gap in the literature on the application of the EM principle to incomplete data models.

    The information matrix test for Gaussian mixtures · 2026 · DOI

  • The identification problem in approximate factor models. The need for a consistent selection criterion for the number of factors at each quantile. The lack of a method to estimate the loading functions of characteristics-based quantile factor models.

    Estimation of characteristics-based quantile factor models · 2026 · DOI

  • Annual macroeconomic data often contain relatively few observations and limited short-term fluctuations. The true shape of the Phillips curve is not a universal constant but a country-specific attribute. The paper identifies frequent shifts in economies such as France and Italy, likely reflecting a history of localized structural breaks and policy regime changes.

    Mathematical Computation of Piecewise Linear Regression with Endogenous Segmentation for Accurate Data-Based Model Building: An Example of the Phillips Curve · 2026 · DOI

  • annual macroeconomic data often contain relatively few observations and limited short-term fluctuations, - the sample size is small because the same time length is maintained for the countries, - the study utilizes yearly macroeconomic data from 1991 to 2022

    Mathematical Computation of Piecewise Linear Regression with Endogenous Segmentation for Accurate Data-Based Model Building: An Example of the Phillips Curve · 2026 · DOI

  • The study does not address the potential limitations of the Regularized Vector Autoregressive models. The study does not provide a detailed analysis of the robustness of the results.

    Regularized Vector Autoregressive Model for the Assessment of Macroeconomic Variables Associated with Inflation in Nigeria · 2026 · DOI

  • There is a gap in literature on the application of regularized methods to study inflation in Nigeria. Most studies on inflation in Nigeria rely on the traditional VAR model and do not adequately address multicollinearity.

    Regularized Vector Autoregressive Model for the Assessment of Macroeconomic Variables Associated with Inflation in Nigeria · 2026 · DOI

  • The paper identifies a gap in the existing literature on the time-varying effects of monetary policy on inflation. The current approaches do not capture gradual shifts in macroeconomic relationships and account for heteroskedasticity across parameters.

    The Phillips Curve and Inflation Expectations: A Machine Learning Perspective · 2026 · DOI

  • The paper identifies a gap in the literature on the interaction between monetary policy and labor supply decisions. The authors note that prior work has focused on the inter-temporal channel that affects the consumption and savings plans of households, but has neglected the intratemporal allocation between consumption and leisure.

    A Tail of Labor Supply and a Tale of Monetary Policy, · 2026 · DOI

  • Persistent trade imbalances and inflation volatility exacerbate fiscal pressures. The relationship between trade deficits and public debt is complex and not well understood. There is a need for effective fiscal and monetary policymaking to support long-term debt sustainability.

    Assessing the impact of trade deficits on public debt in Asian economies under inflation volatility · 2026 · DOI

  • The lack of empirical evidence on the relationship between parallel market exchange rate premiums and retail pricing strategies in South Sudan. The need to understand the impact of exchange rate dynamics on retail business performance.

    Parallel market premiums as retail pricing determinants: Empirical evidence from South Sudan's dual exchange rate economy · 2026 · DOI

  • The annual time-evolution equation fails, with out-of-sample R^2 at or below zero across five functional forms. The GDELT 2.0 DOC API was tested as a source for protest-activity leading indicators but was abandoned due to limited coverage and rate limits.

    Candidacy and Trigger: A Two-Phase Empirical Model of Hierarchical Collapse · 2026

  • The paper identifies a gap in the existing literature on hierarchical collapse, which has focused on the role of endogenous drift. The paper proposes a new perspective on hierarchical collapse, emphasizing the role of structural variables and external shocks.

    Candidacy and Trigger: A Two-Phase Empirical Model of Hierarchical Collapse · 2026

  • High degree of multicollinearity among external and domestic variables - Need to construct composite indices via Principal Component Analysis (PCA) - Small sample size

    External Demand, Domestic Monetary Conditions, and Remittance Dynamics in Nepal · 2026

  • Investigate the impact of alternative demand proxies beyond PCA-derived indices - Explore the role of non-Gulf countries as migrant destinations - Conduct a more detailed analysis of structural breaks and their implications for remittance flows

    External Demand, Domestic Monetary Conditions, and Remittance Dynamics in Nepal · 2026

  • The sample period is limited to the availability of the data at the time the dataset was purchased, - The earliest second-by-second data that was available was November 2011 for the dollar/peso exchange rate, - The federal funds rate was stuck at the zero lower bound during the sample period

    Monetary Policy and Exchange Rate Volatility of the Mexican Peso Against the US Dollar · 2026 · DOI

  • Previous research has paid little attention to the relationship between monetary policy announcements and the reaction of currencies in the case of emerging markets. There is a lack of studies examining the impact of monetary policy announcements on exchange rate volatility in emerging markets. The paper identifies a gap in the literature regarding the comparison of the impacts of advanced and emerging market economies' monetary policies on exchange rate volatility.

    Monetary Policy and Exchange Rate Volatility of the Mexican Peso Against the US Dollar · 2026 · DOI

  • Future research can apply the proposed model to other financial datasets. Future research can explore the use of other estimation methods. Future research can investigate the use of the model in other fields.

    Large‐Dimensional Cointegrated Threshold Factor Models: The Global Term Structure of Interest Rates · 2026 · DOI

  • The paper identifies a gap in the existing literature on large-dimensional factor models. The paper identifies a need for a model that can account for cointegration between group-specific factors.

    Large‐Dimensional Cointegrated Threshold Factor Models: The Global Term Structure of Interest Rates · 2026 · DOI

  • The study identifies a gap in the literature on the interest rate pass-through and speed of adjustment. The study highlights the need for a comprehensive meta-analysis of the interest rate pass-through.

    How Effective is Monetary Policy Transmission? A Meta-analysis on Interest Rate Pass-Through and Speed of Adjustment · 2026 · DOI

  • Further research could investigate the economic impact of public expenditures in other sectors. Further research could use different methodologies to estimate the economic impact of arms procurement.

    Sectoral Investment in Input-Output Frameworks, a Reply · 2026 · DOI

  • The study identifies a gap in the literature on the impact of price on household debt in developing countries. Prior studies have focused on advanced economies, but the current study examines the impact of price on household debt in developing countries.

    The Impact of Price on Household Debt in Developing Countries · 2026 · DOI

  • The limitation of conventional surveillance dashboards. The lack of a unified 0-100 scale for benchmarking macro-financial resilience. The need for a diagnostics-first composite framework for benchmarking macro-financial resilience.

    A Diagnostics-First Composite Index for Macro-Financial Resilience to Socioeconomic Challenges: The Gondauri Index with Benchmarking and Scenario Evidence · 2026 · DOI

  • The relationship between monetary policy instruments and bank credit is complex and influenced by various factors. There is a need to investigate the dynamic relationship between monetary policy performance and bank credit in Nigeria.

    A TYDL causality analysis of monetary policy performance and bank credit in Nigeria · 2026 · DOI

  • There is a considerable debate regarding the existence of relationships among macroeconomic indicators. The relations among macroeconomic indicators must be perceived if they are to be used to predict economic developments.

    Modeling the long-run and short-run dynamics of economic indicators in Ethiopia using a vector error correction model · 2026 · DOI

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490 open questions have been extracted from the limitations and future-work passages of 5,831 Monetary Policy and Economic Impact papers in our library. Each one below links back to the study that raised it, so you can read the original claim in context.

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