Ajayi, R. and A. Serletis (2009), “Testing for Causality in the Transmission of Eurodollar and US Interest Rates”, Applied Financial Economics, 19(6), 439-443.

Avalos, F.  (2014), “Do Oil Prices Drive Food Prices? The Tale of a Structural Break”, Journal of International Money and Finance, 42, 253-271.

Bai, J. and P. Perron (2003), “Computation and Analysis of Multiple Structural Change Models”, Journal of Applied Econometrics, 18(1), 1-22.

Baumeister, C. and L. Kilian (2014), “Do Oil Price Increases Cause Higher Food Prices?”, Economic Policy, 29(80), 691-747.

Chantret, F. and A. Gohin (2010), “The Long-Run Impact of Energy Prices on World Agricultural Markets: The Role of Macro-Economic Linkages”, Energy Policy, 38(1), 333-339.

Chen, S-T., C.C. Chen  and H-I. Kuo (2010), “Modeling the Relationship between the Oil Price and Global Food Prices”,  Applied Energy, 87(8), 2517-2525.

DAFF (2014), Department of Agriculture, Forestry and Fisheries, South Africa  <http://www.daff.gov.za/daffweb3/Resource-Centre> [Accessed: 8 October 2014].

Diks, C. and V. Panchenko (2006), “A New Statistic and Practical Guidelines for Nonparametric Granger Causality Testing ”, Journal of Economic Dynamics and Control, 30(9-10), 1647-1669.

Dillon, B.M. and C.B. Barrett (2013), “The Impact of World Oil Prices Shocks on Maize Price in East Africa”, Presentation to the Australian Agricultural & Resource Economics Society New South Wales Bank, <https://www.aares.org.au/Images/AARES%20Documents/OPAFS%20AARES%20Sydney%2023%20May.pdf> [Accessed: 8 October 2014].

EIA (2011), South Africa, Country Analysis Briefs, Energy Information Administration: Washington, DC.

FAO (2014), FAO Food Price Index, Food and Agriculture Organisation of the United Nations: Rome.

Fowowe, B. (2014), “On the Relationship between Oil Prices and Agricultural Commodity Prices in South Africa”, University of Ibadan: Nigeria.

Granger, C.W.J. (1969), “Investigating Causal Relations by Econometric Models and Cross Spectral Methods”, Econometrica, 37(3), 424-438.

Hiemstra, C. and J.D. Jones (1994), “Testing for Linear and Nonlinear Granger Causality in the Stock Price-Volume Relation”, Journal of Finance, 49(5), 1639-1664.
IRIN (2008), South Africa: Maize – the Unaffordable Staple, The Inside Story on Emergencies, <http://www.irinnews.org/report/78842/south-africa-maize-the-unaffordable-staple> [Accessed: 8 October 2014].

Minot, N.  (2013), “How Volatile are African Food Prices? ”, IFPRI Research Brief 19, International Food Policy Research Institute: Washington, DC.

NAMC  (2007), Sorghum Section 7 Committee, 2007. A Report on the Investigation into the South African Sorghum Industry, National Agricultural Marketing Council,  <http://www.namc.co.za/upload/section_7_reports/SORGHUM%20S7%20FINAL%20REPORT%2003.07.mdi.pdf> [Accessed: 8 October 2014].

Nazlioglu, S. (2011), “World Oil and Agriculutral Commodity Prices: Evidence from Nonlinear Causality”, Energy Policy, 39(5), 2935-2943.

Nishiyama, Y., K. Hitomi, Y. Kawasak  and K. Jeong (2011), “A Consistent Nonparametric Test for Nonlinear Causality – Specification in Time Series Regression”,  Journal of Econometrics, 165(1), 112-127.

OECD-FAO (2008), Agricultural Outlook 2008-2017. Chapter 2. Are High Prices Here to Stay?,  Organisation for Economic Co-Operation and Development-Food and Agriculture Organization of the United Nations.

 Quantec (2014), Industry Structure – Agriculture, Forestry & Fishing [SIC: 1], Rand Millions at Basic Prices – 2013, Pretoria.

Radebe, H. (2013), “Biofuels Offer Sorghum New Growth Hopes”, Business Day Live, January 4, <http://www.bdlive.co.za/business/agriculture/2013/01/04/biofuels-offer-sorghum-new-growth-hopes> [Accessed: 8 October 2014].

Tokgoz, S., A. Elobeid, J. Fabiosa, D.J. Hayes, B.A. Babcock, T-H. Yu, F. Dong  and C.E. Hart (2008), “Bottlenecks, Drought, and Oil Price Spikes: Impact on US Ethanol and Agricultural Sectors”, Review of Agricultural Economics, 30(4),  604-622.

Vincent, D.P., P.B. Dixon, B.R. Parmenter and D.C. Sams (1979), “The Short-Term Effect of Domestic Oil Price Increases on the Australian Economy with Special Reference to the Agricultural Sector”, The Australian Journal of Agricultural Economics, 23(2),  79-101.