Ehson specialises in the application of economics to competition, finance, regulation and policy matters. He has advised government and corporate sector clients in Australia, New Zealand and Singapore, across a range of industries including electricity and gas, air and rail transportation, water and wastewater, mining, steel and industrial gases.
Ehson has advised on a range of competition questions including market definition, merger clearance processes and the abuse of market dominance. He is an expert in empirical analysis for assessing the competitive effects of unilateral and coordinated conduct, and has extensive experience in preparing material for submission to competition regulators.
In the regulatory sphere, Ehson has advised regulators and service providers on the development and application of regulatory frameworks, particularly in the energy sector. Ehson’s experience involves all elements of the supply chain, from wholesale generation to network distribution and retail. He has advised on a broad range of areas, including the interpretation of provisions in the national electricity and gas rules; development of regulatory models; application of the building block approach to the development of revenue allowances; estimation of the weighted average cost of capital; application of incentive mechanisms; estimation of operating and capital expenditure allowances; the treatment of depreciation, inflation, and capital contributions in regulatory models; the regulatory implications of investment decisions; and third party access arrangements.
Before joining HoustonKemp, Ehson was an economic analyst with NERA Economic Consulting and, prior to this, worked for a number of years as a solicitor in a Sydney-based law firm specialising in employment and industrial relations.
Ehson holds a Bachelor of Economics and a Bachelor of Law (First Class Honours) from the University of Sydney. During his studies, Ehson was awarded the Allens Arthur Robinson Prize and C Hodgekiss Prize for first place in Competition Law, and the Commsec Prize for first place in Financial Econometrics.