Unequal Access to Foreign Spaces: How States Use Visa Restrictions to Regulate Mobility in a Globalised World, Transactions of the British Institute of Geographers 31 (1), 2006, pp. 72-84 (pdf)

Bogus Refugees? The Determinants of Asylum Migration to Western Europe, International Studies Quarterly 49 (4), 2005, pp. 389-409 (pdf)

Aid and development finance

The Pattern of Aid Giving - The Impact of Good Governance on Development Assistance, London: Routledge 2003, Hardback £60.00 (ISBN 9780415298117), Paperback £20.00 (ISBN 9780415406956)

Do bilateral investment treaties increase foreign direct investment to developing countries? (with Laura Spess), World Development, 33 (10), 2005, pp. 1567-1585. (pdf)

Climate Change

A Missed Opportunity: The Stern Review On Climate Change Fails to Tackle the Issue of Non-Substitutable Loss of Natural Capital, Global Environmental Change, 17 (3-4), 2007, pp. 297-301 (pdf)

In defense of historical accountability for greenhouse gas emissions, Ecological Economics, 33 (2), 2000, pp. 185-192 (pdf)

Disasters

The Political Economy of Natural Disaster Damage (with Thomas Plümper and Fabian Barthel), Global Environmental Change, 24, 2014, pp. 8-19 (pdf)

The Gendered Nature of Natural Disasters: The Impact of Catastrophic Events on the Gender Gap in Life Expectancy, 1981-2002 (with Thomas Plümper), Annals of the American Association of Geographers, 97 (3), 2007, pp. 551-566 (pdf)

Famine Mortality and Rational Political Inactivity (with Thomas Plümper), World Development, 37 (1), 2009, pp. 50-61 (pdf)

Earthquake Propensity and the Politics of Mortality Prevention (with Phil Keefer and Thomas Plümper), World Development, 39 (9), 2011, pp. 1530-1541 (pdf) (Letter to the editor of New Scientist)

Economic Geography

Transnational spatial dependencies in the geography of non-resident patent filings (with Richard Perkins), Journal of Economic Geography, 11 (1), 2011, pp. 37-60 (pdf)

International technological diffusion, latecomer advantage and economic globalization: a multi-technology analysis (with Richard Perkins), Annals of the American Association of Geographers 95 (4), 2005, pp. 789-808 (pdf)

Environmental Commitment

Environmentalism, Democracy, and Pollution Control (with Richard Damiana, Per G. Fredriksson and Scott Gates), Journal of Environmental Economics and Management, 49 (2), 2005, pp. 343-365 (pdf)

Do Democracies Exhibit Stronger International Environmental Commitment?, Journal of Peace Research, 39 (2), 2002, pp. 139-164 (pdf)

Globalization and Development

Do bilateral investment treaties increase foreign direct investment to developing countries? (with Laura Spess), World Development, 33 (10), 2005, pp. 1567-1585. (pdf)

Health

Inequalities of Income and Inequalities of Longevity: A Cross-Country Study (with Thomas Plümper), American Journal of Public Health,106 (1), 2016, pp. 160-165 (pdf)

Recessions Lower Some Mortality Rates: Evidence from Germany, Social Science & Medicine, 58 (6), 2004, pp. 1037-1047 (pdf) Corrections (pdf)

Human Rights

Do international human rights treaties improve respect for human rights?, Journal of Conflict Resolution, 49 (6), 2005, pp. 925-953 (pdf)

Methodology

Robustness Tests for Quantitative Research (with Thomas Plümper), Cambridge University Press (forthcoming)

W (with Thomas Plümper), Political Science Research and Methods, 4 (1), 2016, pp. 175-193 (pdf)

Conditional Spatial Policy Dependence: Theory and Model Specification (with Thomas Plümper), Comparative Political Studies, 47 (5), 2012, pp. 819-849 (pdf)

Spatial Effects in Dyadic Data (with Thomas Plümper), International Organization, 64 (1), 2010, pp. 154-166 (pdf)

Model Specification in the Analysis of Spatial Dependence (with Thomas Plümper), European Journal of Political Research, 49 (3), 2010, pp. 418-442 (pdf)

Making Spatial Analysis Operational: Ado-files for Generating Spatial Effect Variables in Monadic and Dyadic Data (with Thomas Plümper), Stata Journal, 10 (4), 2010, pp. 585-605 (pdf)

Sustainable Development

Handbook of Sustainable Development, Co-edited with Giles Atkinson and Simon Dietz. Cheltenham and Northampton: Edward Elgar Publishing. Second Revised Edition 2014, Hardback (ISBN 9781843765776), Paperback (ISBN 9781848444720)

Weak versus Strong Sustainability: Exploring the Limits of Two Opposing Paradigms, Fourth Revised Edition, Cheltenham and Northampton: Edward Elgar Publishing 2013, Hardback (ISBN 9781781007075), Paperback (ISBN 9781781007099)