We explore a hypothesis that a change in investment behaviour among international oil companies (IOC) towards the end of the 1990s had long-lived effects on OPEC strategies, and on oil price formation. Coordinated investment constraints were imposed on the IOCs through financial market pressures...

Theories of irreversible investment suggest a negative relation between investment and uncertainty, and nonlinear adjustment costs open for asymmetries in the adjustment of fixed capital. We propose an econometric modelling approach to estimate and test the key predictions of modern investment...