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A Simple Microeconomic Model Illustrating Rising Diamond Prices and the Durable Goods Problem

100%
Braun H., Hotter R.
South East European Journal of Economics and Business
|
2010
|
vol. 5
|
issue 1
25-38
EN
The worldwide market for gemstone diamonds is full of anomalies and peculiarities. Gemstone diamonds are often purchased because they are expensive. After the end of the 19th century the diamond market was controlled by a worldwide monopoly, and later by a cartel which in turn was firmly controlled by the former monopolist - De Beers. The existence of a monopolistic supply is a necessary condition to prevent the diamond market from breaking down. Using a simple microeconomic model the paper investigates how the monopoly creates prices which increase slowly but continually. In addition, we discuss problems threatening the monopoly. However, the major problem is the durability of the diamond. This may cause the diamond monopoly to be threatened by an uncontrollable competitor - previous purchasers, as stated theoretically in the Coase conjecture.
2
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PROBLEMS OF THE CREATION OF TERRITORIAL COMPLEXES ON THE WORLD DIAMOND MARKET

75%
Pototskaya T. I.
Quaestiones Geographicae
|
2016
|
vol. 35
|
issue 4
81-91
EN
The main focus of the paper is on one of the most significant issues of economic geography nowadays, namely ways of an efficient distribution of facilities on the basis of inter-industry complexity (on the example of the diamond industry). The description of the formation of the complex branch of the diamond industry is carried out in several stages: determining the cause of inter-sectoral cooperation in the diamond industry; investigating territorial features of the complex that belongs to ABA, the most important of which is the difficulty of forming the WPK national (country) level; defining a cluster as the main form of territorial complexity characteristic of ABK (its types and causes of formation, characteristics of each cluster); and drawing conclusions about the appropriate degree of territorial concentration of various activities under the ABA type of market for which they are characterised. Special attention is paid to the identification and examination of territorial complexity types in the diamond complex in Russia.
3
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Kilka uwag o diamentach

75%
Kowgier H.
Zeszyty Naukowe ZPSB Firma i Rynek
|
2012
|
issue 2(43)
68-75
PL
W artykule oprócz informacji ogólnych o diamentach i o rynku diamentów przedstawiono analizę statystyczną dotyczącą zmian procentowych cen diamentów jakie zaobserwowano w okresie 25 lat od 1985 do 2010 roku.
EN
In article statistical analysis was showed relating of proportional the growths prices of diamonds in years 1985 – 2010.
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