Survey experiments are an important tool to measure policy preferences. Researchers often rely on the random assignment of policy attribute levels to estimate different types of average marginal effects. Yet, researchers are often interested in how respondents trade-off different policy...

Recent evidence suggests that vaccination hesitancy is too high in many countries to sustainably contain COVID-19. Using a factorial survey experiment administered to 20,500 online respondents in Germany, we assess the effectiveness of three strategies to increase vaccine uptake, namely,...

The QoG Basic dataset is available in both a time-series (TS) version and a cross-section (CS) version.In the CS dataset, we have data from and around 2010. Simply put, we have included data from 2010. If there was no data for that particular year on a variable, we have taken data from the year...

The QoG Survey is a unique data set with information on the structure and behavior of public administration in a range of different countries. The data covers 159 countries and is based on a web survey of 1294 experts.The dataset covers different dimensions of Quality of Government, such as,...

The QoG OECD is a newly available dataset published by the QoG Institute. It covers countries who are members of the OECD. The dataset is further distinguished due to its high data coverage in terms geography and time.Variables are divided into sixteen thematic categories such as Quality of...

The QoG Standard data-set is available in both a time-series (TS) version and a cross-section (CS) version. In the TS, set we have data from 1946 to 2014 and the unit of analysis is country-year (e.g. Sweden-1946, Sweden-1947 and so on).In the CS data-set, we have data from and around 2010....