What can we learn about household consumption expenditure from data on income and assets?

Household Consumption and Household Type: What Can We Learn from Mortgage Refinancing?

What Can We Learn From Review Data?

Online reviews of tourism services provide valuable resources of knowledge not only for travelers but also for companies. Tourism operators are more and more aware that user related data should be seen as an important asset. This work-in-progress analyzes free text reviews as well as numerical ratings of group tours with the aim to characterize their relations. This is done with the help of sta...

What we can learn from Helios 522 about how we learn about aviation safety

Abstrac t . The August 2005 Helios 522 accident may end up demonstrating that the reductionist model we apply to understanding safety and risk in aviation (taking systems apart and checking whether individual components meet prespecified criteria) no longer works well. Through a concurrence of functions and events, of which a language barrier was a product as well as constitutive, Helios 522 ma...

What can we learn from (and about) global aging?

Although aging is a global phenomenon, there are large differences across countries in both the speed of aging and the current age composition. Furthermore, countries adopt vastly different policies. This creates a natural laboratory that scientists can use to understand how policies affect outcomes. I discuss under what circumstances data from different countries can be used for inference abou...

What we can learn on inflation from recent CMBR data

We review the prediction of inflation and the constraints on inflationary models coming from recent observations.