We examine the degree of integration of the global steam coal market. Using a variety of measures, we show that the Australian market remains the dominant force in setting world coal prices, followed by Mozambique and South Africa. We find little evidence of asymmetric price and volatility...

We review the literature on gold as an investment. We begin with a review of how the gold markets operate, including the under researched leasing market; we proceed to examine research on physical gold demand and supply, gold mine economics and move onto analyses of gold as an investment....