Using one-minute oil, gold and copper futures price from September 27, 2009, to July 1, 2020, this paper examines the effects of systematic idiosyncratic (market-specific risk) jumps on intraday correlations, portfolio allocation decisions, diversification benefits. We identify that these commodities contain high proportions market-specific discontinuities, which do not translate into jumps. Co...

This paper contributes to the growing literature on dynamics and governance challenges of artisanal mining in sub-Saharan Africa. It examines gold sector Liberia Sierra Leone, two neighboring post-war countries with extensive informal economies sector. comparative case study explores factors that help reveal struggles, including informality sector, multiplicity actors, ineffective monitoring, p...

In the current financial crisis, promoting rapid developments of gold industry, ensuring healthy operations of national economy, and actively developing the gold futures market are very important. Functioning of the gold futures market will determine the gold market maturity and integrity. Risk transfer is one of the two basic functions of futures market. The risk transfer function is realized ...

Electrochemical migration (ECM) forming dendritic short circuits is a major reliability limiting factor in microcircuits. Gold, which noble metal, has been regarded as metallization that can withstand corrosion and also ECM, therefore its application high-reliability surface finishing systems became widespread although it relatively high fluctuating price. Gold electrochemical have found only t...

A very rich and reliable bookie posts odds on a horse race. He values a contract which pays a pound of gold if Stewball wins at one ounce of gold. He values a contract which pays a pound of gold if Molly wins at one ounce of gold. He will buy or sell these contracts in any quantity at what he considers the fair price or better. Suppose that he also deals in contracts which pay a pound of gold i...

The article focuses on the motives and trends in gold holdings by central banks recent decades. It examines correlation between nominal real price of selected macroeconomic variables financial assets over business cycles. In this context, it outlines investment opportunities for other investors. paper also highlights differences advanced economies (including those with reserve currencies) emerg...

<p><em>This research aims to find out the influence of interest rate, exchange world gold price, Dow Jones Index, AEX DAX and Shanghai Index on LQ45 at Indonesia Stock Exchange from 2012 through 2018 using ARCH/GARCH model as method analysis. The result test shows that rate had a significant negative influence, positive index, while price non-significant index.</em></p>

Metal ceramic partial fixed dental prostheses have been commonly used for the replacement of missing teeth for many years. Because of an increase in the price of gold, base metal alloys have been the choice of alloy for the fabrication of metal ceramic restorations in many dental clinics. Some major disadvantages of base metals are their corrosion and the dark coloration they may cause at the c...

Governments determine the size of the unit of value just as they determine the length of the length and weight of physical units of measure. What are the different ways that a government can control the size of the unit of value, that is, control the price level? In general, the government designates a resource—gold, paper currency, another country’s currency—and defines its unit of value as a ...

This paper examines the competitiveness of winner-take-all price competition in homogeneous product oligopoly environments where underlying buyer demands and/or firms’ costs need not be continuous. Our analysis is motivated by the observation that a variety of economic settings have these features. For example, in 1996 an Ivy League university solicited bids from several vendors for its initiat...