Econometric analysis of the impact of market concentration on prices in the offshore drilling rig market

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Econometric analysis of the impact of market concentration on prices in the offshore drilling rig market

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Title: Econometric analysis of the impact of market concentration on prices in the offshore drilling rig market
Author: Onwuka, Amanda Chiderah
Abstract: This thesis presents an econometric methodology for analyzing the impact of market concentration (HHI) on the day rate prices paid by E&P operators for the lease of drilling rigs. It is an extension of the work of Lee (2008), ‘Measuring the Impact of Concentration in the Drilling Rig Market’. Specifically, the work entailed using a more detailed time series data than was initially used (quarterly), analyzing impact of concentration on day rate prices by water depth specification of drilling rigs, and accounting for the impact of autocorrelation on the analysis. The results for jack-ups, without adjustment for autocorrelation, supported the results of the prior study i.e. showing that increase in HHI causes rig day rate price increase. However, the results for semi-submersibles was inconclusive as it varied from region to region and also was contrary to the assumptions of positive relationships between HHI and day rate prices made in this study. These results imply that market concentration caused both price increase and decrease within the industry depending on whether it increased market power or increased cost efficiency and technological ability.
Department: Geological Sciences
Subject: Offshore drilling industry Oil and gas industry HHI Herfindahl-Hirschman Index Market concentration Autocorrelation Panel data analysis Day rate prices Regression
URI: http://hdl.handle.net/2152/ETD-UT-2010-12-2343
Date: 2010-12

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