Spell, duration or event history data are used frequently in the social sciences. Handling this kind of data can be cumbersome, especially when you want to supplement spell data with panel data or vice versa. Alternatively, you might want to combine two spell files or enrich spell data with information on events while keeping the spell structure of your data. To accomplish these tasks, we provide five ...
This paper examines the degree of persistence in UK inflation by applying long-memory methods to historical data that span the period from 1660 to 2016. Specifically, we use both parametric and non-parametric fractional integration techniques, that are more general than those based on the classical I(0) vs. I(1) dichotomy. Further, we carry out break tests to detect any shifts in the degree of persistence, ...
Are there economies of scale to data in internet search? This paper is first to use real search engine query logs to empirically investigate how data drives the quality of internet search results. We find evidence that the quality of search results improve with more data on previous searches. Moreover, our results indicate that the type of data matters as well: personalized information is particularly ...
On what and to what extent private households in Germany spend money varies significantly depending on employment status, income, and age. As this study based on the most current official sample survey of income and expenditure from 2013 shows, unemployed households on average spend over half of their income on basic needs such as living and food expenses while unemployed people living alone spend ...
The German economy is expected to have gained a good 0.7 percent in the first quarter of 2018 compared to the final quarter of 2017. This is signaled by the Economic Barometer of the German Institute for Economic Research (DIW Berlin), which rose from 113 to 118 points. It is still well above the 100-point mark, which stands for average growth.
