Background: Gastro-oesophageal reflux disease (GORD) is widespread in the general population and presents in most cases with heartburn as the main symptom. The severity of symptoms is not necessarily related to erosive damage to the oesophagus due to acid reflux, but the frequency and severity...

This paper uses a model of human capital accumulation, labour market distortions, wordof-mouth communication, and community formation to analyse socio-economic stratification, educational choices and intergenerational social mobility. Workers obtain information about job opportunities from...

The striking geographical concentration of economic activities suggests that there are substantial benefits to agglomeration. The nature of those benefits remains unclear, however. In this Paper we take advantage of a new dataset to quantify the role of one of the main contenders: the matching...