scholarly journals VECTOR AUTOREGRESSIVE APPROACH AFTER FIRST DIFFERENCING: A TIME SERIES ANALYSIS OF INFLATION AND ITS DETERMINANTS IN TANZANIA

Author(s):  
Rachel R. Cheti ◽  
Bahati Ilembo

The objective of the study was to examine the trend of inflation and its key determinants in Tanzania. We used secondary time series data observed annually from January 1970 to 2020 which are inflation rate, GDP, Exchange rate and money supply. The vector autoregressive (VAR) model was employed for modeling. Augmented Dickey-Fuller test (ADF) found that inflation rate, Gross Domestic Product (GDP), exchange rate and Money supply (M3) were initially non-stationary but they became stationary after first differencing so as to proceed with the analysis. Preliminary tests before obtaining vector auto regressive model were carried out before determining the relationship between the variables. Diagnostic test such as serial correlation, heteroscedasticity, stability and normality were also important to evaluate the model assumptions and investigate whether or not there are observations with a large, undue influence on the analysis. We used Granger causality test (GCT) to determine causal- effect relationship between the variables. The results show that, there is a long run relationship between the variables, also the results showed that exchange rate and money supply (M3) both have a positive impact on inflation rate while gross domestic product (GDP) revealed a negative impact on inflation rate. Finally, the forecast of inflation rate for 15 years ahead was performed. The study recommends that the government should pursue both contractionary monetary policy and fiscal policy in order to control inflation in the country.

2021 ◽  
Vol 4 (3) ◽  
pp. 613-624
Author(s):  
Mahmood Ul Hassan ◽  
Hina Ali ◽  
Saeed Ur Rahman ◽  
Sabiha Parveen

The objective of this research is to examine the monetary policy's impact on economic growth. Variables of study are Gross domestic product, Inflation, rate of interest, Exchange rate, Money supply, Investment, and Consumer Price Index and time series data is collected from. Gross domestic product is a dependent variable and all other variables are independent and have a great effect on the explanatory variable. In this study, the Augmented dicky fuller test is used to check out the stationarity of our selected variables and after that autoregressive distributed lag model co-integration technique is applied to estimate the parameters of the model. The result shows that inflation, interest rate, and consumer price index show a negative impact on gross domestic product. While other variables such as exchange rate, money supply, and investment show a positive impact on GDP. The study recommended that the desired level of output and employment can be attained by adopting sufficient strategies that reduce inflation in the economy.


2019 ◽  
Vol 8 (2) ◽  
pp. 138
Author(s):  
Rita Nur Wahyuningrum ◽  
Aan Zainul Anwar

<p>This study aims to analyze the effect of inflation, gross domestic product (GDP) and rupiah exchange rate on Mudharabah savings in Islamic banking in Indonesia. The data used is time series data for the period March 2013 to September 2017, which was published by Bank Indonesia from the Islamic Banking Statistics Report and the Central Statistics Agency. The technique of analyzing the research is qualitative with the method of Multiple Linear Regression. The results of this study indicate that simultaneously the Inflation, Gross Domestic Product (GDP) and Exchange Rate variables together have a significant effect on Mudharabah Savings. While partially only the Exchange Rate variable has a significant effect on Mudharabah Savings. Inflation Variables and Gross Domestic Product (GDP) have no significant effect on Mudharabah Savings.</p><p> </p><p>Keyword: inflation, gross domestic product, exchange rate, mudharabah saving</p>


2020 ◽  
Vol 17 (2) ◽  
pp. 1-13 ◽  
Author(s):  
Anthony Olugbenga Adaramola ◽  
Oluwabunmi Dada

In an attempt to examine the influence of inflation on the growth prospects of the Nigerian economy, the study employs the autoregressive distributed lag on the selected variables, i.e. real gross domestic product (GDP), inflation rate, interest rate, exchange rate, degree of economy`s openness, money supply, and government consumption expenditures for the period 1980–2018. The study findings indicate that inflation and real exchange rate exert a significant negative impact on economic growth, while interest rate and money supply indicate a positive and significant impact on economic growth. Other variables in the model depict no influence on the economic growth of Nigeria. The causality result shows the unidirectional relationships between interest rate, exchange rate, government consumption expenditures and gross domestic product. However, inflation and the degree of openness show no causal relationship with gross domestic product. As a result, the study recommends that a more pragmatic effort is needed by the monetary authorities to target the inflation vigorously to prevent its adverse effect by ensuring a tolerable rate that would stimulate the economic growth of Nigeria.


2021 ◽  
Vol 58 (1) ◽  
pp. 463-473
Author(s):  
Anas Iswanto Anwar, Asma Inawahyuni, Sri Undai Nurbayani

The objective of this research is to determine the effect of money supply and third-party funds to the inflation rate through Gross Domestic Product (GDP) in Indonesia. The type of data is secondary data. This research used time series data from 2008 to 2017 from various valid data source.The data then were analyzed by multiple regressionswith Two-Stage Least Square (2SLS) approach processed byEviews 9.0.According to resultsanalysis of this study, there is a positive and significant effect between money supply and third-party funds to GDP directly. Partially, it is found that money supply has no significant effect to inflation through GDP and Third-party funds have negative and significant effect to inflation through GDP.


2020 ◽  
Vol 1 (1) ◽  
pp. 31-43
Author(s):  
Jusmer Sihotang ◽  
Yabes Gulo

This study aims to analyze the effect of Gross Domestic Product (GDP), inflation rate, and the Indonesian Rupiah (IDR) exchange rate to US Dollar on Indonesian imports. The study uses multiple regression equation models using secondary time series data in the period of 2010.Q1 to 2017.Q4. The results showed that the coefficient sign of each regression independent variable (real Gross Domestic Product, inflation rate, and Indonesian Rupiah (IDR) exchange rate on US Dollar) were in accordance with theoretical expectations, and all of these independent variables could explain for 60.3 percent of the diversity of the dependent variable namely imports Indonesia. Both simultaneously and individually all these independent variables significantly influence Indonesia's imports at the level of α = 1%. The real Gross Domestic Product and inflation rate have a positive and significant effect on Indonesian imports, while the Indonesian Rupiah (IDR) exchange rate on US Dollar has a negative and significant effect on Indonesia's imports. Based on the results of the study, in order to control Indonesia's imports in the future, a policy should be guarantee the availability of various imported substitution products, easy to obtain, and can compete with imported products. Thus the impact of the increase in Gross Domestic Product, an increase in the inflation rate, and the appreciation of the rupiah against the increase in Indonesian imports will be controlled.


2020 ◽  
Vol 8 (3) ◽  
pp. 143-154
Author(s):  
Usman Hardianto ◽  
Siti Hodijah ◽  
Rahma Nurjanah

The purpose of the study was to determine and analyze the development of production, exchange rates, CPO prices, Malaysian GDP, and Jambi Province CPO exports to Malaysia and the effect of production, exchange rates, CPO prices, Malaysian GDP on Jambi Province CPO exports to Malaysia. The data used in this study is secondary data in the form of time series data for 2000-2017. The results show that the average development of Jambi Province CPO exports to Malaysia is 4.10% per year, Jambi Province CPO production is on average 4, 10% per year, the average exchange rate is 2.64% per year, the average CPO price is 8.63% per year, and Malaysia's GDP is 4.89% per year on average. Based on the results of multiple linear analyses, it can be concluded that CPO production, CPO prices, exchange rates, and Malaysian GDP together affect the volume of Jambi Province's CPO exports to Malaysia. While partially production and GDP have a negative and insignificant effect on Jambi Province's CPO exports to Malaysia, the exchange rate and CPO prices positively and significantly impact Jambi Province's CPO exports to Malaysia. Keywords: Production, Price, Exchange rates, Gross Domestic Product


Author(s):  
Rizki Rahma Kusumadewi ◽  
Wahyu Widayat

Exchange rate is one tool to measure a country’s economic conditions. The growth of a stable currency value indicates that the country has a relatively good economic conditions or stable. This study has the purpose to analyze the factors that affect the exchange rate of the Indonesian Rupiah against the United States Dollar in the period of 2000-2013. The data used in this study is a secondary data which are time series data, made up of exports, imports, inflation, the BI rate, Gross Domestic Product (GDP), and the money supply (M1) in the quarter base, from first quarter on 2000 to fourth quarter on 2013. Regression model time series data used the ARCH-GARCH with ARCH model selection indicates that the variables that significantly influence the exchange rate are exports, inflation, the central bank rate and the money supply (M1). Whereas import and GDP did not give any influence.


Author(s):  
Kenneth Apeh ◽  
Abubakar Muhammad Auwal ◽  
Nweze Nwaze Obinna

The present reality of the Nigerian economy is the fact that inflation has remained unabated in spite of all exchange rate measures that have been adopted by the monetary authority. This calls for investigation into the extent to which exchange rate impact on inflation in Nigeria. The research paper examined the impact of exchange rate depreciation on inflation in Nigeria for the period 1981&ndash;2017, using Auto Regressive Distributed Lag (ARDL) Bounds Test Cointegration Procedure. The research shows that inflation rate in Nigeria is highly susceptible to lagged inflation rate, exchange rate, lagged exchange rate, lagged broad money, and lagged gross domestic product at 5% level of significance. A long run relationship was also found to exist between inflation rate, gross domestic product and general government expenditure, indicating that the model has a self-adjusting mechanism for correcting any deviation of the variables from equilibrium. Therefore, this study concludes that exchange rate is an important tool to manage inflation in the country; thus, this paper recommends that policies that have direct influence on inflation as well as exchange rate policies that would checkmate inflation movement in the country, should be used by the Central Bank of Nigeria. Also, monetary growth and import management policies should be put in place to encourage domestic production of export commodities, which are currently short-supplied. In addition, policy makers should not rely on this instrument totally to control inflation, but should use it as a complement to other macro-economic policies.


2020 ◽  
Vol 5 (1) ◽  
Author(s):  
Anhar Fauzan Priyono

The objective of this research is to understand the effect of internet utilization,proxied by numbers of internet user to inflation rate. Several other factors are alsobeing considered, which are growth of money supply, exchange rate, and world oilprice. There are China, India, Japan, Indonesia, and South Korea, consecutivelyrepresent top five countries with the biggest internet users in Asia to be observed.Pooled Least Square with Panel Corrected Standard Error has been employed interms of analysing inflation's behavior of those countries. The main finding of this research is that inflation and numbers of internet user are negatively correlated, while the causal effect is statistically not significant. This is most probable, since utilization of internet is still dominated by web surfing, social media, and online games. On the other hand, money supply, exchange rate, and world oil price has a positive relationship with inflation. Those findings are true for all the countries being observed.


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