1.
Nonstandard work schedules in 29 European countries, 2005–15: differences by education, gender, and parental status
Preferences for health insurance in Germany and the Netherlands: A tale of two countries
2.
Risk Adjustment Systems in Health Insurance Markets in the US, Germany, Netherlands and Switzerland
Die Zyklik der Profite in der Ernährungswirtschaft: Ein internationaler Vergleich.