00552nam a2200085Ia 4500100001800000245010900018260000900127520031100136583001900447  aJohn, Michael  aUnderstanding oil : markets, prices and the revenue impact of the 1990 oil shock on Trinidad and Tobago.  c1990  aDescribes some conceptual and other issues related to markets and the petroleum market in particular, and discusses spot, contract and futures market.  Raises some of the issues related to Trinidad and Tobago in an assessment of the revenue implications of the price increases since the invasion of Kuwait.  c3/7/00kM2LMGR