Abstract
The paper revisits the causality relationship between defence spending and economic growth for South Africa during the period 1960–2018. The results of our estimation show that defence spending and economic growth are cointegrated and that there is bidirectional Granger causality running between defence spending and economic growth in the long run. We then applied a Hodrick-Prescott filter to decompose the trend and the fluctuation components of the defence spending and economic growth series. The findings from the autoregressive distributed lag bounds test estimations show that in the long- and short-run, the trends and cyclicality of defence spending retard economic growth. The estimation results show that there is cointegration between the trends and the cyclical components of the two series, which suggests that the Granger causality possibly relates to the business cycle. This study suggests that investing more and reducing inefficiency spending in the defence sector during fluctuations can further stimulate economic growth in South Africa.
Acknowledgements
We appreciate the editor(s), the editorial team members and the anonymous expert referees for their insightful comments and suggestions that helped improve the quality of this paper.
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Disclosure statement: No potential conflict of interest was reported by the author(s).
Brief review of the empirical literature on the defence spending-economic growth nexus.
| Author(s) | Sample/period | Methodology | Main finding(s) |
|---|---|---|---|
| Country-specific studies | |||
| Sezgin (2001) | Turkey (1956–1994) | 2SLS and 3SLS simultaneous equation method |
|
| Chang et al. (2014) | China and G7 countries (1988–2010) | Bootstrap panel causality technique |
|
| Lai, Huang, and Yang (2005) | Taiwan (1953–2000) | Multivariate threshold regression |
|
| Meng, Lucyshyn, and Li (2015) | China (1989–2012) |
|
|
| Dimitraki and Menla Ali (2015) | China (1952–2010) |
|
|
| Gupta, Kabundi, and Ziramba (2010) | USA (1976–2005) | Factor augmented vector autoregressive (FAVAR) model |
|
| Feridun, Sawhney, and Shahbaz (2011) | North Cyprus (1977–2007) | ARDL bounds testing approach to cointegration and Granger causality tests |
|
| Klein (2004) | Peru (1970–1996) | 3SLS, 2SLS and OLS |
|
| Shahbaz, Afza, and Shabbir (2013) for | Pakistan (1972–2009) | ARDL bounds testing approach |
|
| Zhao, Zhao, and Chen (2017) | China (1952–2012) |
|
|
| Su et al. (2020) | China (1952–2014) | Rolling Granger causality test |
|
| Dimitraki and Win (2020). | Jordan (1970–2015) |
|
|
| Gyimah-Brempong (1989) | Thirty nine Sub-Saharan African countries (1973–1983) | Three stage least squares |
|
| Yildirim, Sezgin, and Öcal (2005) | Middle Eastern countries and Turkey (1989–1999) | The fixed effects panel analysis and the GMM method. |
|
| Global/regional studies | |||
| Stroup and Heckelman (2001) | Fourty four countries in Africa and Latin America (1975–1989) | Fixed-effects approach |
|
| d’Agostino, Dunne, and Pieroni (2019) | One hundred and nine non-high-income countries (1998–2012) | Structural panel IV model |
|
| Desli and Gkoulgkoutsika (2020) | World 1960–2017 | Dynamic common correlated effects estimator |
|
| Saba and Ngepah (2020a). | SSA, MENA, and LAC countries (1990–2018) |
|
|
| Töngür and Elveren (2016) | Turkey (1963–2008) | Augmented Solow growth model |
|
| Yolcu Karadam, Yildirim, and Öcal (2017) | Middle Eastern countries and Turkey (1988–2012) | Panel smooth transition regression (PSTR) model |
|
| Cevik and Ricco (2018) | Advanced and developing countries (1984–2014) | GMM approach |
|
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DEFS and EG denote defence spending and economic growth, respectively. SSA, MENA and LAC represent Sub-Saharan Africa, the Middle East and North Africa, and Latin America and the Caribbean, respectively.
Descriptive statistics results.
| Statistics | LDEFS | LRGDP | TLRGDP | TLDEFS | CLRGDP | CLDEFS |
|---|---|---|---|---|---|---|
| Mean | −3.845 | 26.087 | 26.087 | −3.845 | −2.44E-13 | 2.96E-14 |
| Median | −3.741 | 26.110 | 26.100 | −3.779 | −0.002 | 0.006 |
| Maximum | −2.944 | 26.786 | 26.806 | −3.220 | 0.048 | 0.324 |
| Minimum | −4.655 | 25.094 | 25.095 | −4.587 | −0.037 | −0.409 |
| Std. dev. | 0.513 | 0.459 | 0.458 | 0.484 | 0.019 | 0.135 |
| Skewness | −0.016 | −0.301 | −0.295 | −0.107 | 0.305 | −0.142 |
| Kurtosis | 1.604 | 2.360 | 2.335 | 1.488 | 2.840 | 3.593 |
| Jarque-Bera | 4.795 | 1.897 | 1.945 | 5.730 | 0.978 | 1.061 |
| Probability | 0.091 | 0.387 | 0.378 | 0.057 | 0.613 | 0.588 |
| Observations | 59 | 59 | 59 | 59 | 59 | 59 |
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Source: Author’s computations using data from SIPRI and WDI.
Chow test results for the trend and cyclical components.
| Panel (A): trend component | |||
|---|---|---|---|
| Chow breakpoint test: 1983 | |||
| Equation sample: 1960–2018 | |||
| F-statistic | 615.0929*** | Prob. F(2,55) | 0.0000 |
| Log likelihood ratio | 185.9282*** | Prob. chi-square (2) | 0.0000 |
| Wald statistic | 1230.186*** | Prob. chi-square (2) | 0.0000 |
|
|
|||
| Panel (B): cyclical component | |||
|
|
|||
| Chow breakpoint test: 2007 | |||
| Equation sample: 1960–2018 | |||
| F-statistic | 1.9196*** | Prob. F(1,57) | 0.0013 |
| Log likelihood ratio | 1.9542*** | Prob. chi-square (1) | 0.0021 |
| Wald statistic | 1.9196*** | Prob. chi-square (1) | 0.0059 |
-
*, **, and ***denote significance levels at 1, 5 and 10%, respectively. Source: Author’s computations using data from SIPRI and WDI.
Optimum lag length selection results for the unfiltered data.
| Variables: Defence spending and growth | |||
|---|---|---|---|
| Unfiltered data structural breaks uncontrolled | |||
| Lag | AIC | SIC | HQIC |
| 0 | 1.7479 | 1.8208 | 1.7761 |
| 1 | −6.7674 | −6.5484* | −6.6827 |
| 2 | −6.8996 | −6.5347 | −6.7585* |
| 3 | −6.9075* | −6.3965 | −6.7099 |
| 4 | −6.8769 | −6.2199 | −6.6229 |
|
|
|||
| Unfiltered data controlling for structural breaks | |||
|
|
|||
| 0 | 1.4489 | 1.5584 | 1.4913 |
| 1 | −7.9750 | −7.5371* | −7.8057* |
| 2 | −7.9820 | −7.2156 | −7.6856 |
| 3 | −7.9839* | −6.8890 | −7.5605 |
| 4 | −7.8083 | −6.3849 | −7.2579 |
-
*indicates lag order selected by the criterion. AIC is Akaike information criterion; SIC is Schwarz information criterion; HQIC is Hannan-Quinn information criterion. Source: Author’s computations using data from SIPRI and WDI.
Optimum lag length selection results for the filtered data.
| Panel A: trend component | |||
|---|---|---|---|
| Variables: defence spending and real GDP | |||
| Filtered data structural breaks uncontrolled (trend) | |||
| Lag | AIC | SIC | HQIC |
| 0 | 1.6389 | 1.7119 | 1.6672 |
| 1 | −11.9178 | −11.6988 | −11.8331 |
| 2 | −18.7516 | −18.3866 | −18.6104 |
| 3 | −23.7154 | −23.2044 | −23.5178 |
| 4 | −26.8364* | −26.1795* | −26.5824* |
|
|
|||
| Filtered data controlling for structural breaks (trend) | |||
|
|
|||
| 0 | 2.0389 | 2.1485 | 2.0813 |
| 1 | −13.7663 | −13.3283 | −13.5969 |
| 2 | −19.8453 | −19.0789 | −19.5489 |
| 3 | −25.5521 | −24.4572 | −25.1287 |
| 4 | −28.1727* | −26.7493* | −27.6223* |
|
|
|||
| Panel (B): cyclical component | |||
|
|
|||
| Filtered data structural breaks uncontrolled (cyclical) | |||
|
|
|||
| 0 | −6.4213 | −6.3483 | −6.3930 |
| 1 | −7.4767 | −7.2578 | −7.3921 |
| 2 | −7.7834 | −7.4184 | −7.6422 |
| 3 | −7.9754* | −7.4644* | −7.7778* |
| 4 | −7.9177 | −7.2608 | −7.6637 |
|
|
|||
| Filtered data controlling for structural breaks (cyclical) | |||
|
|
|||
| 0 | −4.9577 | −4.8482 | −4.9153 |
| 1 | −8.6321 | −8.1941* | −8.4627 |
| 2 | −8.8125 | −8.0461 | −8.5161* |
| 3 | −8.8488* | −7.7539 | −8.4254 |
| 4 | −8.7466 | −7.3232 | −8.1962 |
-
*indicates lag order selected by the criterion. AIC is Akaike information criterion; SIC is Schwarz information criterion; HQIC is Hannan-Quinn information criterion. Source: Author’s computations using data from SIPRI and WDI.
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© 2021 Walter de Gruyter GmbH, Berlin/Boston
Artikel in diesem Heft
- Frontmatter
- Editorial
- Fifth Walter Isard Annual Award for the Best Article in Peace Economics Peace Science and Public Policy
- Letters and Proceedings
- The Effect of the Spanish Civil War on City Shares
- Research Articles
- How Much are Iranian Men Willing to Pay for Exemption from Military Service?
- Spillovers Between Russia’s and Turkey’s Geopolitical Risk During the 2000–2021 Putin Administration
- Defence Spending and Economic Growth in South Africa: Evidence from Cointegration and Co-Feature Analysis
Artikel in diesem Heft
- Frontmatter
- Editorial
- Fifth Walter Isard Annual Award for the Best Article in Peace Economics Peace Science and Public Policy
- Letters and Proceedings
- The Effect of the Spanish Civil War on City Shares
- Research Articles
- How Much are Iranian Men Willing to Pay for Exemption from Military Service?
- Spillovers Between Russia’s and Turkey’s Geopolitical Risk During the 2000–2021 Putin Administration
- Defence Spending and Economic Growth in South Africa: Evidence from Cointegration and Co-Feature Analysis