Demand relationships in orange exports to Russia: a differential demand system approach focusing on Egypt
© The Author(s). 2016
Received: 23 February 2016
Accepted: 11 October 2016
Published: 26 October 2016
Recent years have witnessed closer diplomatic relations between Egypt and Russia, which have led to significant growth in the countries’ bilateral agricultural trade. As a world-leading producer and exporter of oranges, these developments represent an opportunity for Egypt to promote its orange exports to Russia. Another emerging opportunity for Egypt to increase its share in the Russian market for imported oranges has been provided by import embargos imposed by Russia in recent years on agricultural and food commodities from several countries, creating a supply gap of around 25 % in the Russian orange market. To assess the competitiveness of Egyptian oranges and explore the potential export opportunities presented by the Russian market, this paper uses a Rotterdam import allocation model to analyse demand relationships among major orange suppliers to Russia during the period 1996–2014. The results show that in comparison with other orange suppliers, Egypt enjoys a strong comparative advantage in the export of oranges to Russia. The econometric results suggest that both Morocco and Egypt would benefit the most if Russia were to allocate a larger budget to the import of oranges. The expenditure elasticity estimates indicate that an increase in Russia’s demand for imported oranges would lead to increases in the quantity of Egypt’s orange exports, as well as in its share of the Russian orange market. Furthermore, cross-price elasticity estimates reveal that Egyptian oranges are substitutes for Turkish and South African oranges, implying that Russia has a tendency to switch to these two suppliers when Egyptian oranges become relatively expensive. In light of these results, the adoption of strategies to produce oranges sustainably and cost-effectively, upgrade the orange value chain, acquire processing technologies and enhance the technical and organisational capacity of farmers and exporters could be useful means for promoting exports and boosting the competitiveness of Egyptian oranges on the Russian market.
KeywordsEgyptian orange exports Russia Import demand Differential demand system Rotterdam model
JEL ClassificationF14 Q11 Q17
Fuelled by an increase in real disposable incomes over the past two decades and the growing tendency among domestic consumers to maintain healthier diets, the demand for fresh fruit and vegetables among Russian consumers has grown significantly in recent years (Honkanen and Voldnes 2006; Kolchevnikova 2010; Hamza 2015). With a share of around 7 % of the fruit market, oranges are the second most popular citrus fruit in Russia (Ilyina 2011). The Russian orange market depends entirely on imports since oranges are not grown domestically, with the country having the largest share (around 12 %) of world orange imports (GRC 2012). Between 1996 and 2014, Russia’s orange imports have grown by an average of 4.6 % annually, rising from 257.5 thousand tons to around 469 thousand tons (WITS 2016).
Generally, this very strong performance of Egyptian orange exports on the Russian market can be attributed to the special attention that Egyptian agricultural policies have paid to the development of the orange supply chain at all levels. Such attention is motivated by the very significant contribution made by oranges to the country’s fruit production (one third of total fruit production) and exports (around 10 % of total agricultural exports worldwide) (Hamida 2012; WITS 2016). Furthermore, the promotion of orange exports to Russia has always been an objective of Egypt’s agricultural export development strategies aimed at diversifying the map of the country’s agricultural exports and reducing its dependency on a limited number of EU and Arab markets. Moreover, the importance of Russia as a target market for Egyptian orange exports has recently increased. Abu Hatab and Nsanimana (2016) indicate that “political proximity” between Egypt and Russia in recent years has revitalised their bilateral agricultural trade relations significantly. Thanks to several trade agreements being signed by the two countries to promote a greater level of trade liberalisation, bilateral agricultural trade has grown from USD 85 million in 1996 to about USD 2.2 billion in 2014, making Russia a major trading partner of Egypt (Parker 2015; WITS 2016). In this context and given Egypt’s position in the global orange market, oranges have repeatedly been cited by Egyptian agricultural trade policymakers as an area in which the country could benefit from these improved bilateral agricultural trade relations with Russia and secure a greater foothold in the Russian market for imported oranges.
In addition to these recent improvements in Egypt-Russia bilateral agricultural trade, the recent embargos imposed by Russia on agrifood imports from several destinations, including the EU in 2014 and Turkey in 2015, opened up another opportunity for the promotion of Egyptian orange exports to Russia (Hamza 2014). According to Abu Hatab and Nsanimana (2016), these two embargos have created a supply gap of about 25 % in the Russian market, providing export opportunities to Egypt and other orange suppliers to fill the resulting import void. Although it is too early to assess the impacts of these embargos on Egyptian orange exports to Russia, Fig. 1 shows that there has been an increase of around 11 % in the quantity of Egyptian oranges exported to Russia in 2015 in comparison with the preceding year.
To assess the competitiveness of Egyptian oranges and explore the export opportunities that the Russian market may offer Egyptian oranges, the present study used a source-differentiated approach within a Rotterdam import allocation model to analyse the Russian demand for imported oranges from Egypt and other major suppliers during the period 1996–2014. This paper contributes to the literature in the following ways. First, especially in light of the above developments in Egyptian-Russian bilateral agricultural trade relations as well as the structural changes in the Russian market for imported oranges following the imposed import bans, the subject covered by this paper is very timely and its results could be useful to Egyptian agricultural trade policymakers in the development of informed strategies for the promotion of orange exports to Russia. Second, a closer look at the existing literature on the foreign demand for Egyptian agricultural exports shows that the majority of previous studies have ignored horticultural commodities in favour of other agrifood commodity groups, despite the fact that horticultural commodities are progressively making up an important proportion of Egyptian agricultural exports. Third, previous related empirical studies mainly focus on the EU, USA, and Arab markets, while few studies have so far investigated the demand for Egyptian agricultural exports in Russia and other Eastern European countries. This paper therefore attempts to fill this void in the literature by providing empirical evidence based on the analysis of the Russian demand for imported oranges from major suppliers including Egypt.
The next section in this paper provides a brief assessment of the competitiveness of Egyptian orange exports on the Russian market. This is followed by a presentation of the econometric model and a description of the data and their sources. The econometric results and the estimated demand elasticities are presented thereafter followed by a discussion of the results and concluding remarks.
Assessing the competitiveness of Egyptian orange exports on the Russian market
Several studies have shown that Egyptian oranges enjoy greater competitiveness factors relative to their rivals on the Russian market (Soliman and Bassiony 2012; Soliman 2013; Torayeh 2013; Hamza 2015). A recent USDA report by Hamza (2015) points out that Egyptian oranges traditionally enjoy a set of characteristics that include favourable production conditions, low labour costs and well-established supply chains, which collectively enhance their competitiveness on the Russian market. Specifically in terms of production capacity, recent statistics from MALR (2015) point out that oranges comprise almost half of the total area under fruit cultivation in Egypt. Egyptian orange production increased from 1.6 million tons in 1996 to around 3 million tons in 2014, recording an average annual growth rate of 3.6 % (FAOSTAT 2016). It is worth mentioning that Egypt produces a wide range of orange varieties, including Baladi (domestic), Sukkari (the sweet orange), Valencia, blood orange and Navel. However, both Valencia and Navel varieties represent the major export varieties, whereas other varieties are mainly consumed domestically (MALR 2013).
With respect to product quality and consumer preferences, Rudolf (2015) shows that despite the fact that other competitors (e.g. Turkey and Greece) have a more favourable geographical position with regard to their proximity to the Russian market, the competitiveness of Egyptian oranges on the Russian market relies primarily on their quality and price. Soliman (2013) assessed the competitiveness of Egyptian fresh oranges in a number of European markets, including Russia, using the global value chain analysis approach (GVCA) based on interviews with buyers and key stakeholders in these markets. His results suggest that Egyptian oranges are perceived to be of higher quality than oranges from Turkey and Morocco. Moreover, unlike many other competing countries and due to favourable climatic conditions, Egyptian Valencia oranges do not normally experience the “re-greening phenomenon” which breaks down the colour dyes that give oranges their normal colour, causing a greenish tint, i.e. the reappearance of chlorophyll in mature oranges (Abu Hatab and Nsanimana 2016). Increased health concerns among consumers in Russian and other importing markets and fears of the use of chemicals to re-colour oranges therefore result in a high demand for Egyptian oranges on the Russian market.
With regard to export prices, Hassan et al. (2010) compared the export prices of Egyptian oranges with the export prices of other Mediterranean competitors, namely Spain, Israel, Morocco and Turkey. They concluded that Egyptian export prices of oranges are on average approximately 26 % lower than the export prices of these competitors. Furthermore, using annual time series data covering the period 1981–2010, Soliman (2013) found that the average farm prices of Egyptian oranges have usually been lower than the corresponding average world price and that the export price of Egyptian oranges is lowest compared with the prices of traditional competitors such as Morocco, Syria, Tunisia and Turkey. The lower prices of Egyptian oranges further enhance their competitiveness in cost-conscious and heterogeneous markets such as the Russian market. Another important factor that gives Egyptian oranges a competitive edge on the Russian market comes from their early harvest compared to other major producers in the region, thus allowing Egyptian oranges an export season from mid-November to the end of August (Hamza 2015).
While X ad represents the exports of commodity d by country a, X na represents the exports of all commodities, excluding commodity d, by country a; X dr is the exports of commodity d by the rest of the world, excluding country a; X nr is the exports of all commodities, excluding commodity d, by all countries in the world excluding country a; M ad represents the imports of commodity d by country a; M na represents the imports of all commodities, excluding commodity d, by country a; M dr is the imports of commodity d by the rest of the world; and M nr is the imports of all commodities, excluding commodity d, by all countries in the world excluding country a.
Vollrath’s indices of revealed competitive advantage for Egypt and other major orange suppliers to Russia
Relative export advantage (RXA) = Balassa’s RCA index
Natural logarithm of the relative export advantage (lnRXA)
Relative trade advantage (RTA)
Revealed competitiveness index (RC)
The results of the natural logarithm of the relative export advantage and the revealed competitiveness indices in Table 1 further confirmed Egypt’s strong export advantage and competitiveness in comparison to other orange suppliers to Russia. In particular, the results of the revealed competitiveness index revealed that Morocco ranks first with an index value of 15.04, followed by Egypt 12.72, South Africa 6.15, Turkey 4.02, Greece 3.98 and lastly Argentina 2.76. As an overall analysis of the results of Vollrath’s indices during the period 1996–2014, it could be concluded that there are competitiveness gains for the majority of orange suppliers to Russia, albeit to varying degrees. Egypt seemed to be the country that has achieved remarkable improvements in the comparative advantage and competitiveness of its orange exports. Alternatively, there was a loss of competitiveness in Morocco and an obvious lack of comparative advantage of Argentinian orange exports in relation to other exporters, while the values of the indices in certain years are below zero.
Orange import allocation model
One of the most common approaches to estimating demand relationships is based on a direct differential approximation of the demand function, which generates a set of equations that are local first-order approximations of the underlying relationship between prices, quantities and income (Okrent and Alston 2011). Yu et al. (2004) indicate that the Rotterdam model (Barten 1964; Theil, 1965) has become a prominent vehicle for the econometric analysis of patterns of consumer demand and rigorous testing of the utility maximisation theory. Barnett and Seck (2008) point out that the Rotterdam model gained prominence in food demand analysis, thanks to its locally flexible functional form. Moreover, it does not place a priori restrictions on the possible elasticities at a given point and also features enough parameters to approximate elasticities at a given point. The Rotterdam model has therefore been used quite extensively to analyse agrifood demand from different supply sources (e.g. Fonsah and Muhammad 2008; Feleke and Kilmer, 2009; Seale et al., 2013; Clements and Gao, 2015). Surprisingly, the Rotterdam model has to date received less attention in the literature on foreign demand for Egyptian agrifood commodities, while the few studies featuring differentiation in the source of origin have without exception applied the AIDS model (e.g. Elkady and Abd Elmessih 2005; Abu Hatab and Romstad 2014; Abu Hatab and Surry 2015). In this paper, the Rotterdam model was therefore used to analyse the demand relationships between major orange suppliers to the Russian market during the period 1996–2014. In this context and following Seale et al. (1992) and Theil (1980), total orange demand in the estimated model is determined in the first stage, and conditional on total orange expenditures, the demand for oranges from each source is determined in the second stage.
In the estimated demand system, the rest of the world (RoW) equation was omitted because the variance-co-variance matrix of (ε i ) is singular and parameter estimates are invariant to the omitted equation. The Russian demand for oranges was estimated based on Eq. (5) by using the iterative, seemingly unrelated regression procedure that is equivalent to the maximum likelihood estimation. A means of likelihood ratio test suggested by Judge et al. (1988) was used to test the validity of the imposition of the theoretical restrictions. The conditional expenditure and the compensated and uncompensated price elasticities are calculated as follows:
Data and estimation procedures
Summary statistics of orange prices and budget shares in the Russian market, 1996–2014
Coefficient of variation
Budget shares (measured in percentages)
Prices (measured in Russian roubles/ton)
Parameter estimates of orange import demand equations
Conditional demand estimates for Russian orange imports, 1996–2014
A squared R of 0.69 implies that the model can explain the market shares of the total orange imports by Russia. The relative “price effects” are the conditional Slutsky coefficients (π ij ), which refer to the change in the market share of supplier i for a unit proportionate change in export price. The “expenditure” refers to the relative share received by supplier i when an additional Russian rouble was added to the expenditures on imported oranges by Russia. Given that the objective of this paper was to examine the demand for Egyptian oranges on the Russian market, the results and their discussions in the following sections primarily focus on the results related to Egypt’s equation, with results related to other suppliers discussed where necessary.
The reported estimates in Table 3 show positive and significant relationships between the Divisia index and Russia’s orange imports from all suppliers. This implies a positive and significant relationship between Russian expenditure on imported oranges and the quantity of oranges supplied by major exporters. Specifically, a one-rouble increase in Russian expenditure on orange imports was allocated across the seven suppliers and would be relatively large for Egypt (about 40 cents) and Morocco (23 cents), lower for South Africa (15 cents) and Greece (14 cents), and significantly lower for Argentina (5 cents), Turkey (2 cents), and RoW (1 cent).
The conditional own-price estimates were negative and statistically significant at the 0.05 level for all suppliers, except for RoW where the estimate was positive but insignificant. According to these results, a one per cent increase in the export price of Egyptian oranges would reduce its market share in the Russian market by about 0.28 %. Other suppliers, especially Greece and Argentina, were more sensitive to own-price changes. The conditional cross-price estimates showed that values related to South Africa and Argentina were positive, which implied that a significant competitiveness exists between Egypt and these countries on the Russian market for imported oranges.
Estimated orange import demand elasticities of the orange import demand elasticities
Elasticity estimates for Russia’s orange imports, 1996–2014
Own-price elasticity estimates for all orange suppliers to Russia, except for RoW, were negative and statistically significant. Moreover, the estimates for all suppliers are price inelastic with the exception of Turkey (−1.097). Egypt’s close-to-unity own-price elasticity implied that if Egypt reduces (increases) the price of its orange exports to Russia by 1 %, its market share increases (decreases) by 0.987 %. The cross-price elasticity estimate for Egypt with Turkey (0.714) indicated that its oranges are a strong substitute for Turkish oranges on the Russian market. Moreover, the positive but low value of the cross-price elasticity (0.123) between Egypt and South Africa indicated limited competition between Egyptian and South African oranges. These findings imply that Russia tends to switch to orange imports from Turkey and South Africa when Egyptian oranges become relatively expensive. In contrast, the negative sign in the cross-price elasticity coefficient for the Egypt-Morocco, Egypt-Greece and Egypt-RoW pairs indicated a complementary relationship between their oranges on the Russian market.
Discussion and conclusions
Recent years have seen closer diplomatic relations between Egypt and Russia that have led to a significant growth in their bilateral agricultural trade. As one of the world’s leading producers and exporters of oranges, such trade growth represents an opportunity for Egypt to promote its orange exports to Russia. Moreover, in conjunction with Egyptian-Russian bilateral agricultural trade growth in recent years, Russia imposed import embargos on agricultural and food commodities from several countries, creating a supply gap of around 25 % on the Russian orange market, thus representing further export opportunities for Egyptian oranges. Motivated by these developments in the Russian orange market, this paper used a Rotterdam import allocation model to analyse demand relationships among major orange suppliers to Russia during the period 1996–2014.
The empirical results of the Rotterdam model suggested that the orange quantities and market shares of Morocco and Egypt would increase the most if Russia were to allocate a larger budget to the import of oranges. The results also showed that Egypt’s export prices had a significant influence on its market share in the Russian market for imported oranges. Previous studies on the export performance of Egyptian agricultural commodities have pointed out that the lack of competitive prices is one of the greatest challenges hindering the access of Egypt’s agricultural commodities to foreign importing markets (Soliman and Bassiony 2012; Torayeh 2013; Abu Hatab and Hess 2013). With Egypt’s close-to-unity own-price elasticity for oranges, it may be possible to increase Russian demand for Egyptian oranges by implementing policies that help farmers increase their orange production and yield sustainably and cost-effectively. In this respect, it would be necessary to adopt innovative agricultural policies to increase productivity through the implementation of modern and globally agreed production techniques, including irrigation, fertilisation and pest management practices. Moreover, investment in infrastructure and post-harvest services is crucial to connect orange production areas more effectively with their markets and reduce transportation cost and post-harvest losses. Furthermore, improved Egypt-Russia diplomatic and trade relations in recent years and ongoing (agricultural) trade liberalisation negotiations represent a sound opportunity for Egypt to discuss these market access issues in order to enable Egyptian exporters to reduce the prices at which they offer their oranges on the Russian market.
The estimates of cross-price elasticity in particular revealed that Turkey and South Africa are Egypt’s main competitors on the Russian market for imported oranges. Russia tends to switch to orange imports from these suppliers when Egyptian oranges become relatively expensive. Given that Turkish oranges are currently excluded from the Russian market, they do not present a competitive threat to Egyptian orange exports to Russia at the moment. A removal of the embargo would likely expose Egyptian oranges to fierce competition with Turkey. This is because Turkey would benefit from its geographical proximity to Russia that gives it a competitive advantage by eliminating the need for refrigerated transportation and therefore allowing it to undercut the Egyptian export price significantly (Gressel 2012). With respect to South Africa, the smaller influence of its competitiveness effect on Egyptian orange exports to Russia might be partially attributed to the fact that it has different production and export seasons ranging from July to September compared to many varieties of Egyptian oranges that are harvested in December. However, Egypt’s relative proximity to Russia reduces transportation costs and gives Egypt a competitive advantage that mitigates the competition effect of South Africa (King-Okumu and Aboukheira 2015).
Taking into account the structural changes that the Russian orange market is currently undergoing, competition between traditional exporters and with new entrants is likely to intensify. Although competition may represent a threat to Egyptian orange exports to Russia, it could also act as an efficiency-enhancing factor and a positive driver of innovation that could enhance export competitiveness. In this respect, upgrading the orange value chain, adopting agro-processing technologies, enhancing the technical and organisational capacity of farmers and exporters and strengthening the institutional framework of the orange export sub-sector are important strategies that could enable Egyptian exporters to move up the value chain, offer higher value-added oranges and improve their competitiveness on the Russian market.
Furthermore, despite the calculation results of the revealed comparative advantage in the second section of this paper, indicating that Egypt enjoys a strong comparative advantage in orange exports in comparison to other orange suppliers to Russia, these results should be interpreted with caution since the existence of a comparative advantage alone certainly does not guarantee that a country’s exported commodity will be able to “compete” successfully. A country’s comparative advantage in a given commodity could alter over time due to changes in any of the other determinants of comparative advantage, such as demand patterns; the level of technology and production systems, government policies, and food safety; and quality standards among others (Cai and Leung 2007). In particular, non-tariff barriers (NTBs) such as sanitary and phytosanitary (SPS) measures are increasingly becoming a major determinant of the performance and market share of Egyptian agricultural exports to Russia and other importing markets (Bassiony 2012; Torayeh 2013). In this context, Trienekens and Zuurbier (2008) illustrated that the growing proliferation and stringency of food safety and quality standards in global importing markets have brought additional challenges to developing countries and raised concerns about their ability to cope with export requirements. Accordingly, the international fresh produce market has increasingly become highly competitive and sophisticated, and compliance with these ever-rising standards has become a critical factor that can adversely affect the competitiveness of exports from developing countries (Martinez and Poole 2004; Okello and Swinton 2007). With respect to the Russian market, Vinokurov et al. (2015) classified and assessed the impact of NTBs in the members states of the Eurasian Economic Commission (including Russia) and concluded that SPS measures represent one of the most important NTBs that increase the cost of exports to Russia on a significantly larger scale than other NTBs and therefore affect the access and competiveness of foreign exporters. Such NTBs could negate the positive effects of ongoing Egypt-Russia trade liberalisation efforts with Egyptian orange exports and should therefore be given priority within the context of these efforts, as well as in the ongoing negotiations aimed at the establishment of a free trade area between Egypt and the Eurasian Customs Union. Moreover, while the primary focus of this paper has been on price relationships between orange suppliers to Russia, more research using different and approaches is needed to provide a quantitative assessment of the trade implications of NTBs on the access and competitiveness of Egyptian orange exports on the Russian market.
The author declares that he has no competing interests.
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