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David Stern's picture

David Stern

Professor

Qualifications

BA (Jerusalem), M.Sc (London), PhD (Boston)

Contact details

Phone: 6125 0176

Room: Crawford 3.50

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David Stern is an energy and environmental economist with an interdisciplinary background in geography and economics. His research has focused on understanding the relationship between resource use and economic growth and development. He has investigated both the role of energy and resources in economic growth and the determinants of environmental impacts, especially air pollution and climate change. David is an associate editor of Ecological Economics, a research associate in CAMA and CCEP, and a participant of the Energy Change Institute.

For more information and a complete publication list please see Prof. Stern’s website: www.sterndavidi.com. David also maintains a blog on energy, economics, and the science of science.

Video

Modelling International Trends in Energy Efficiency

Energy Economics Vol. 34, Issue 6, November 2012

I use a stochastic production frontier to model energy efficiency trends in 85 countries over a 37-year period. Differences in energy effciency across countries are modeled as a stochastic function of explanatory variables and I estimate the model using the cross-section of time-averaged data, so that no structure is imposed on technological change over time. Energy efficiency is measured using a new energy distance function approach. The country using the least energy per unit output, given its mix of outputs and inputs, defines the global production frontier. A country’s relative energy efficiency is given by its distance from the frontier - the ratio of its actual energy use to the minimum required energy use, ceteris paribus. Energy efficiency is higher in countries with, inter alia, higher total factor productivity, undervalued currencies, and smaller fossil fuel reserves and it converges over time across countries. Globally, technological change was the most important factor counteracting the energy-use and carbon-emissions increasing effects of economic growth.

» view video » download paper

Research interests

  • Energy economics
  • Climate change
  • Applied time series econometrics
  • Meta-analysis

Teaching

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