as an

Vivien Wallscourt

Introduction Investment in gold can take several forms. including . gold . '1hroughout history. gold has coins. , bonds, always played a prominent role in equities. futures and options. These investment. due to the fact that it is forms differ on many counts, including viewed by many as the ultimate store of marketability, trading costs and other value and against . It features. However. it is noticed that all possesses these properties due to its tend to rise and fall in relative unison tang ability. durability. high value for with the free market price of gold small bulk (which aids both bullion. It is this compelling feature of concealment and portability) and due gold which motivates an examination to the fact that there is a continual of the price of gold. demand for gold to create jewellery and other valuable objects. Price of Gold The duality of gold's role IS such that it is seen as both areal assetof The London Gold Bulli'.ln exceptional value and a monetary asset market (1972-88) shall be used as the of exceptional liquidity. It has been at backdrop for examining investment in the core of domestic and international gold using a multiple regression of the monetary systems for many centuries. form: and in the present century it has served Y = as the basis for the system i ~O+~IXli+~)(2i+ei' i = 1...... ,17 (continued from the 19th century). by where which were directly Y = real price of gold ($US) on the convertible into gold; and the system , London market agreed at Bretton Woods whereby XI = rate of inflation currencies were convertible into a X = real rate of interest based on gold. namely the 2 e = error term dollar which was convertible into gold , A rudimentary knowledge of at $35 per ounce. micro-economic theory dictates that Gold is traded internationally the price of gold is determined by the and studies show that gold assets simultaneous interaction of supply and represent between 5% and 10% of a demand and it is. however, interesting typical European or Middle Eastern to note that hoarding demand is the portfolio, while investment in gold decisive factor in setting the price of bullion represents more than 5% of gold (Clendenin, 1978), with supply total investible wealth (Solnik, 1991). remaining relatively inelastic.

24 Student Economic Review. Vo!. 6. No. 1

Therefore, we can make the simplifying Beyond the model assumption that the price of gold is a function of the demand for gold, which Other factors affecting the in turn is a function of the inflation rate demand for gold which are subsumed and real . in the error term are: I} movements in the dollar - when it weakens people Inflation look for other , and if currencies are unstable, investment in Inflation has been chosen as the Xl gold becomes attractive; 2} shocks to variable, as there is a general consensus the economy - the oil price shocks and that inflation and gold prices are the 1987 market crash are positively correlated. Therefore, ~l examples; 3} the price of oil· rising oil should have a positive value. Gold is prices necessarily entail inflation. and seen as the ultimate hedge and store of thus the price of gold tends to follow value, and hence as the best protection the price of oil; 4} alternative against inflation crises and monetary investments providing a hedge against . Thus, the price is inflation - there has been an explosion influenced by expectations of future in th'e availabililty of such investments price changes. Gold provides no income as futures and options, especially since and thus price increases constitute the the 'Big Bang'; 5} th~ stock market­ only return to the . Generally gold price changes are slightly speaking, price expectations that are negatively correlated with stock returns not linked directly to income flows are (Sennholz 1975). This renders gold quite volatile, which explains the large attractive for diversifying a portfolio of volatility observed in international gold wealth. Gold enables to markets (Solnik, 1991). diversify against types of risk that affect all stock markets simultaneously. It Interest rates would thus seem that the error term in our model is likely to be large, owing to Over the past decade, gold prices have a degree of misspecification in the not risen greatly, and a possible current model. explanation for this has been the high The supply of gold depends on real interest rates available in most the Western mine production (mainly currencies. This has made gold, which from ); that production i~ pays no income, less attractive as an steady, rising slowly in the 19RO's. In investment. Therefore, ~2 would be any case, each annual output of gold expected to have a negative sign. adds only a small percentage to the reflecting a negative correlation quantity available from previous years between gold price and the real interest (Solnik, 1991). rate. This encapsulates the idea of a negative substitution effect, with rising Results interest rates effectively raising the opportunity cost of nolding gold. In estimating the model. lime series data from 1972-19RR has been

25 Student Economic Review. Vo!. 6. No. 1 used. The price of gold has been taken timing of price level increases. and to from "Financial Statistics" (published gauge accurately the behaviour of by the Central Statistics Office (UK)). differentinvestrnents under conditions as has the rate of interest. Both figures in the future. are provided by the Bank of . The rate of inflation is published in Relevance "Economic Trends Annual Supplement" (CSO. UK). The inflation On an international scale the figures have been used to calculate the price of goldno longer has much policy real price of gold and real interest rates. relevance. As gold is no longer the The mUltiple regression has an basis for currency. governments are R2 of 0.70118. suggesting that inflation unlikely to intervene to affect its price. and interest rates together explain 70% It is also highly unlikely that a return to of the variation in the price of gold. The the gold standard is desirable. forecasting power of the model has yet International trade and financial to be ascertained. The t-statistics are transactions grew to such an extent that significant at the 5% level. indicating the gold standard exploded in the that their contribution to the explanatory 1970·s. This trend has been even more power of the model justifies their marked since the 'Big Bang'. making a inclusion. A reliable model could, in return to the gold standard even less theory. be used to make predictions probable. Golddoes not play the role in about the price of gold. which could international monetary systems and prove invaluable for trading on the transactions that it once did. but gold market. However. it is extremely nevertheless it retains its attractiveness difficult to predict both the extent and as a valuable. low-risk investment.

REGRESSION RESULTS

R2= 0.70108

Independent Parameter t-statistic Variable Estimate Ho: ~=O

Constant 82.187072 1.25657 Inflation 45.336761 5.72990 Interest 44.580425 5.09468

Table 1

26 Student EconomfcReview. Vol. 6. No. 1

References

Clendenin. J. and Christy. G. (1978) IntroductiontoInvestrnenls. New Yark: McGraw-Hill.

Sennholz. H.F. (1975) Gold is . London: Greenwood Press.

Sharpe. F. Investments. Englewood Cliffs. N.J.: Prentice Hall.

Solnik. B. (1991) International Investments. Reading. Mass. Wokingham: Addison-Wesley.

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