MODELING AND FORECASTING OF INDIA’S DEFENSE EXPENDITURES USING BOX-JENKINS ARIMA MODEL

Sapana Sharma; Sanju Karol

doi:10.29121/granthaalayah.v9.i2.2021.3698

Authors

Sapana Sapana Ph.D Research Scholar, Dept. Of Economics, Himachal Pradesh University, Shimla, 171005 https://orcid.org/0000-0002-3248-0497
Sanju Karol Professor of Economics, ICDEOL, Himachal Pradesh University, Shimla-171005

DOI:

https://doi.org/10.29121/granthaalayah.v9.i2.2021.3698

Keywords:

ARIMA Model, Defense Expenditure, Box-Jenkins, Forecasting, India

Abstract [English]

Many developed and developing countries are at the core of the security and peace agenda concerning rising defense expenditure and its enduring sustainability. The unremitting upsurge in defense expenditure pressurizes the government to rationally manage the resources so as to provide security and peace services in the most efficient, effective and equitable way. It is necessary to forecast the defense expenditure in India which leads the policy makers to execute reforms in order to detract burdens on these resources, as well as introduce appropriate plan strategies on the basis of rational decision making for the issues that may arise. The purpose of this study is to investigate the appropriate type of model based on the Box–Jenkins methodology to forecast defense expenditure in India. The present study applies the one-step ahead forecasting method for annual data over the period 1961 to 2020. The results show that ARIMA (1,1,1) model with static forecasting being the most appropriate to forecast the India’s defense expenditure.

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