Food prices response to global and national factors: Evidence beyond asymmetry

Omer Faruk Derindag, Bisharat Hussain Chang, Raheel Gohar, Wing-Keung Wong and Niaz Ahmed Bhutto

Cogent Economics & Finance, 2023, vol. 11, issue 1, 2187128

Abstract: The current series of studies examine how local food prices are affected by domestic and international factors. This research advances the existing body of knowledge by examining this effect at different quantiles, frequencies, and times. We use research data from January 1999 to August 2022 using three local and six global variables as independent variables. Additionally, our study uses recent econometric methods, including Wavelet Coherence, Quantile-on-Quantile Regression (QQR), and Granger Causality in Quantiles (GCQ). Moreover, this research uses the Quantile Regression (QR) approach to determine how reliable the findings are. Based on the GCQ approach, the results demonstrate that the correlation persists at most of the quantiles. Moreover, the WC results demonstrate a substantial association between local prices of food and the independent factors across various frequencies and times. Additionally, QQR estimates demonstrate that the impact of exogenous variables on food prices vary among quantiles. These findings are also supported by the QR method. Last but not least, our study offers policy suggestions obtained based on the results of this study.

Date: 2023
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DOI: 10.1080/23322039.2023.2187128

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