A meta-modeling approach to fiscal systems analysis,part I:concessionary systems

摘要

The economics of the upstream petroleum business is complex and dynamic.Each year anywhere between 25-50 countries in the world offer license rounds;20-30 countries introduce new model contracts or fiscal regimes;and nearly all countries revise their tax laws during their annual budgetary process.The manner in which the fiscal terms and parameters of the contract impact system measures such as take and present value are complicated and not well-understood.